"Question","Response"
"What is the status of the issue tracker for Apache Joshua?","Read-only."
"Which year was the Jakarta Project retired after its subprojects transitioned to their own projects or were retired?","2011"
"Which project among the listed ones was revived in June 2018?","XMLBeans"
"Which Apache project was retired in November 2011 and involved a modular Java runtime with class libraries?","Apache Harmony"
"What is the source code management system used by Apache Harmony?","Subversion"
"Which Apache project is a fully serverless platform used to build distributed event-driven applications?","EventMesh"
"Which project in the list underwent a name change, previously being known as ""Amber""?","Oltu"
"Which Apache project was previously known as Amber?","Oltu"
"What are the language bindings supported by Apache MXNet for version 1.9.1?","Python, Scala, Julia, Clojure, Java, C++, R, Perl"
"What is the version number of the Apache MXNet that retired and now refers users to its Attic page?","1.9.1"
"What programming language does the AI::MXNet package support for efficient GPU computing and deep learning, following an API similar to Python's?","Perl"
"What type of code repository is used for storing the source code of Apache Pivot?","Subversion"
"Which tool mentioned in the document was moved into the Apache Attic in August 2019 for executing business processes according to the WS-BPEL standard?","ODE"
"What script does MXNet provide to compile all code needed for prediction into a single file, and what is the resulting file primarily dependent on?","Amalgamation script; BLAS library."
"What method should be used to enable scalar arguments during the registration of an operator in Apache MXNet version 1.9.1?","set_enable_scalar(true)"
"What is the email address associated with the PGP public key for Sergey Kolychev?","sergeykolychev@apache.org"
"Which Apache project listed is both in the Attic and has a related website link provided?","Bahir"
"Which software distribution framework, moved into the Apache Attic in December 2017, is built using OSGi and can manage and distribute software components to target systems?","Apache ACE"
"What is the incubation status of Apache MXNet at the Apache Software Foundation, and what does it imply about its endorsement?","Apache MXNet is currently an incubating project at the Apache Software Foundation, which implies that it has yet to be fully endorsed by the ASF."
"What indicates that the Apache MXNet project is not yet fully endorsed by the Apache Software Foundation?","Incubation status."
"What is the role of the `grad_scale` parameter when using `sym.CaffeLoss` in Apache MXNet version 1.9.1?","The weight of this loss."
"Which operation from the list inherently involves reducing dimensions or altering the structure of input data, such as reshaping or compressing?","flatten"
"What is the version number of Apache MXNet that is mentioned as retired in the document?","1.9.1"
"Which function would be utilized to determine if two entities are not identical within this specific list of operations?","broadcast-not-equal"
"What is the email address associated with Wei Chu's CODE SIGNING KEY?","weichu@apache.org"
"What should you verify to ensure compatibility between the installed CUDA version and the MXNet pip package version?","Ensure the installed CUDA version matches the CUDA version specified in the MXNet pip package name. For example, `mxnet-cu102` requires CUDA 10.2."
"Which function in the org.apache.clojure-mxnet.ndarray API can be used to perform an elementwise greater-than-or-equal operation?","broadcast-greater-equal"
"What environment variable is suggested to be set to ""granularity=fine,compact,1,0"" for improving MXNet performance with Intel CPUs?","KMP_AFFINITY"
"Which operator in Apache MXNet 0.12.1 received added GPU support as a new feature?","syevd operator"
"Which function in Apache MXNet is used for calculating the determinant of a matrix?","linalg-det"
"What is the consequence under Apache License 2.0 if you initiate patent litigation claiming that a Contribution to the Work constitutes patent infringement?","Any patent licenses granted to you under the Apache License 2.0 for that Work will terminate as of the date such litigation is filed."
"Which Apache project, mentioned in the list of Projects in the Attic, was specifically associated with providing a cloud abstraction API for connecting to cloud providers?","Deltacloud"
"What is one of the environment variables needed to use MXNet with Amazon S3, according to the MXNet library documentation?","AWS_ACCESS_KEY_ID"
"Which individual is associated with the PGP public key that has the fingerprint BD52136E76B7BD68E7843B0B591C06669F740FD7?","Sergey Kolychev"
"The list of related Apache projects labeled ""Projects in the Attic"" includes which project previously known as Amber?","Oltu"
"What package is recommended for improving MXNet performance on Intel Xeon CPUs, and what is its role?","mxnet-mkl"
"What is required to enable S3 integration when building MXNet from source?","Install `libcurl4-openssl-dev` and `libssl-dev`, and append `USE_S3=1` to `config.mk` before building MXNet."
"What programming paradigm does Apache Polygene explore for domain-centric application development?","Composite Oriented Programming"
"What feature was introduced in MXNet 1.5.0 related to numerical computation?","Automatic Mixed Precision"
"What feature was fully supported by the now-retired Jakarta Slide project?","WebDAV support"
"Which component of Apache Beehive was suggested to be replaced by Spring Beans?","Beehive Controls"
"Which project, formerly known as Amber, is listed under the ""Projects in the Attic""?","Oltu"
"Which project related to extensions for Apache Spark was moved into the Apache Attic in January 2024?","Apache Bahir"
"What Google Guice functionality was Apache Onami focused on extending?","Extensions for Google Guice not provided out of the box."
"What library is required alongside Jupyter Notebook to visualize neural networks as computation graphs in Apache MXNet?","Graphviz"
"What is the designated general mailing list address for reporting undisclosed security vulnerabilities in Apache projects?","security@apache.org"
"What version of Apache MXNet is linked with the phrase ""Get Started""?","1.9.1"
"Which project in the Apache Attic was previously known as Amber?","Oltu"
"What specific port configuration must be set up in an EC2 GPU cluster’s security group to ensure all slave computers can communicate with the root computer for MXNet distributed training?","All TCP, Source: Anywhere (in Configure Security Group)"
"What tool is used to build the Attic website, and on what technology is it based?","Anakia based on Apache Velocity"
"What was Apache Onami focused on developing and maintaining before moving into the Apache Attic in January 2016?","Google Guice extensions"
"What is the main advantage of using the Gluon API over the Module API in Apache MXNet version 1.9.1?","Flexibility and ease of debugging."
"What is the name of the Apache Software Foundation's annual flagship conference that offers educational and networking opportunities?","ApacheCon"
"Which organization holds the trademarks for Apache and the Apache feather logo?","The Apache Software Foundation"
"What is the primary standard that Apache ODE's business processes were based on?","WS-BPEL"
"What exception is handled when attempting to convert a variable to a NumPy array in the provided Apache MXNet code, version 1.9.1?","MXNetError"
"What was the Jakarta Project's status as of December 2011?","Retired as all of its subprojects had either become their own projects or been retired."
"What is the expiration date of the secondary key associated with Qing Lan's public PGP key?","2021-02-14"
"Which framework moved into the Apache Attic in March 2025 and was focused on column stores like Apache HBase and Cassandra?","Gora"
"What command can be used to terminate lingering jobs on slave computers in Apache MXNet version 1.9.1?","cat hosts | xargs -I{} ssh -o StrictHostKeyChecking=no {} 'uname -a; pgrep python | xargs kill -9'"
"What type of operation is used to define the function of the smooth l1 loss operator, and which library is associated with this operation?","Unary operator, mshadow library."
"Which operation serves as the inverse of convolution in the provided reference list?","deconvolution"
"What is the primary way to track tasks and prioritize issues in Apache MXNet?","Jira Tracker"
"Which Apache project, moved to the Attic in November 2020, was an open source analytics solution for big data security and performance issues?","Eagle"
"Which Apache project listed in the Attic section was originally known as Amber?","Oltu"
"What year did Apache Buildr move into the Apache Attic?","2022"
"What is the status of Apache Lens as of August 2020?","Apache Lens moved into the Attic in August 2020."
"What does the incubation status of Apache MXNet indicate about its endorsement by the Apache Software Foundation?","The project has yet to be fully endorsed by the ASF."
"Which toolkit provided by Apache MXNet offers resources specifically for natural language processing tasks?","GluonNLP Toolkit"
"What method is used to verify a subscriber's authorization to receive mailing list messages according to the GDPR in The Apache Software Foundation's privacy policy?","Double-opt-in procedure."
"What tool can be used to optimize deep learning computation graphs specifically for MXNet according to the documentation?","TensorRT"
"When using Intel Xeon CPUs, what MXNet package and environment variable settings are recommended to enhance performance?","Package: `mxnet-mkl`

Environment variables:
- `OMP_NUM_THREADS`: `vCPUs / 2`
- `KMP_AFFINITY`: `granularity=fine,compact,1,0`
- `MXNET_SUBGRAPH_BACKEND`: `MKLDNN`"
"What is the role of the `OpReqType` `kAddTo` in MXNet's operator interface?","`kAddTo` indicates that the result should be accumulated (using `+=`) into the `out_data` tensor."
"What year did Apache Eagle move into the Attic?","2020"
"What environment variable is used to specify the network interface for data communication in the context of Apache MXNet version 1.9.1?","DMLC_INTERFACE"
"Which Apache open-source analytics solution was designed for identifying security and performance issues on big data platforms?","Apache Eagle"
"Which Apache project mentioned is also listed under ""Projects in the Attic""?","Crunch"
"What is the purpose of specifying `grad_scale` in the `CaffeLoss` function within Apache MXNet version 1.9.1?","The weight of this loss."
"What is the default number of inputs and outputs for the `CaffeLoss` function in Apache MXNet version 1.9.1?","2 inputs, 1 output"
"What was Apache Marmotta's main function before it moved into the Attic?","Open Platform for Linked Data."
"In what year did Apache Marmotta move to the Apache Attic?","2020"
"What was the main purpose of Apache Harmony before it was retired in 2011?","A modular Java runtime with class libraries and associated tools."
"Which Apache project, identified in the list of projects in the document, moved into the Attic in July 2013 and was known for being a secure and highly scalable microsharing and micromessaging platform?","ESME"
"What must you include with your work to properly apply the Apache License, Version 2.0?","Include a copy of the Apache License in a file called LICENSE, and attach the boilerplate declaration with your identifying information to applicable files."
"What Apache project, now in the Attic, encouraged users to adopt similar features in newer Java versions such as those found in _java.util.regexp_?","Jakarta Regexp"
"What source control system is used for the Jakarta Regexp project's code repository?","Subversion"
"What is the primary performance improvement benefit provided by NNPACK when benchmarking MXNet on CPU, as observed in the results?","2X~7X speedup compared to the original MXNet CPU implementation."
"What are the email addresses associated with the PGP public keys in the document?","taolv@apache.org
ptrendx@apache.org"
"What must be approved by both VP Fundraising and VP Brand Management for recognition in Apache project pages?","Any additional recognition on committee or project page(s)."
"When using MXNet for distributed training, what is a potential security vulnerability related to the use of the `kvstore.set_optimizer` function?","The use of `kvstore.set_optimizer` can lead to a security vulnerability because it allows custom optimizer code to be sent as a pickle file, which is executed without validation, trusting the sender."
"How does gradient compression provide speedup in distributed training with large fully connected components?","Gradient compression speeds up distributed training by reducing communication costs, which are the bottleneck in networks with large fully connected components."
"Which Apache project was moved into the Attic in November 2021 and was focused on providing statistical and other forms of machine translation?","Joshua"
"What is the consequence of using `git push --force` on a branch with multiple collaborators, specifically in the context of the Apache MXNet version 1.9.1?","Potential loss of collaborators' commits; rewritten branch history."
"Which function in org.apache.clojure-mxnet.symbol is designed to compare tensor elements and determines if all elements are finite?","all-finite"
"Which project in the list was revived in June 2018?","XMLBeans"
"Which Apache project focused on large scale code license analysis and auditing moved to the Attic in August 2020?","DRAT"
"What governance structure does the ASF use for electing its leadership?","Members elect the leadership."
"What is the default library enabled in MXNet pip packages starting from version 1.7.0 for improved performance on Intel processors?","oneDNN"
"Which Apache project, listed in the Attic, was moved there in August 2020 and was focused on large scale code license analysis?","Apache DRAT"
"What Clojure-mxnet version is the documentation generated for, according to the given reference?","1.9.1-SNAPSHOT"
"What is the primary focus of GluonTS in the Apache MXNet ecosystem?","Probabilistic time series modeling."
"What does the version notation 'mxnet-cu101' indicate about the CUDA version used in the MXNet package?","10.1"
"What is the specific parameter name for configuring a dropout function in Apache MXNet version 1.9.1?","DropoutParam"
"Which function is marked as experimental in the org.apache.clojure-mxnet.ndarray-api section?","-copy"
"Which Apache project that moved to the Attic in April 2016 was specifically designed to assist developers with unit testing Hadoop map reduce jobs?","MRUnit"
"What action might the Apache Software Foundation take if a sponsorship renewal does not occur by the specified renewal date?","Remove your logo from the thanks page."
"Which library in the reference list provides the ability to use state-of-the-art inference techniques for probabilistic models and is modular in nature?","MXFusion"
"Which Apache project focused on web and social mashup engines was moved to the Attic in January 2016?","Rave"
"What is a recommended method to rectify compilation errors caused by a compiler running out of memory on Raspberry Pi devices with less than 1GB of RAM when building MXNet?","Increase the swapfile size by editing `/etc/dphys-swapfile` and changing `CONF_SWAPSIZE=100` to `CONF_SWAPSIZE=1024`, then run:

```
sudo /etc/init.d/dphys-swapfile stop
sudo /etc/init.d/dphys-swapfile start
```"
"What command restores stashed changes in the Apache MXNet development process?","git stash pop"
"After creating a development branch, what command should be used to incorporate changes from the upstream repository in Apache MXNet?","git fetch upstream
git rebase upstream/master"
"Which version of MXNet pip package has oneDNN enabled by default and supports Intel and experimental Arm architectures?","1.7.0"
"What was Apache DirectMemory's primary function before it moved to the Attic?","Off-heap cache for the Java Virtual Machine."
"Which standard did Apache ODE execute business processes following?","WS-BPEL"
"What is the retired status of the Apache MXNet project mentioned in the documentation?","This project has retired."
"Which specific bug in Apache MXNet causes “kernel died” when using Gluon Conv1DTranspose?","MXNET-157"
"What is the recommended range of threads to use in MXNet with NNPACK for optimal performance on multi-core CPUs?","4-8 threads"
"How does the performance improvement of MXNet with NNPACK differ between the AlexNet and VGG networks in terms of image processing speedup?","For AlexNet, the speedup is approximately 3X to 2.9X. For VGG, it's approximately 3.3X to 7X."
"What are the two expected mechanisms by which an Apache project might enter the Attic?","1. The managing Project Management Committee (PMC) decides to move the project.
2. The Apache Software Foundation's board dissolves the PMC and chooses to move the project."
"What is the primary mission of Apache jUDDI as stated after it moved into the Apache Attic?","Java implementation of the Universal Description, Discovery, and Integration specification."
"What criteria make an Apache project a good candidate for being moved to the Attic?","A good candidate for moving to the Apache Attic is a project whose PMC cannot muster 3 votes for a release, has no active committers, or is unable to fulfill its reporting duties to the board."
"What was the primary mission of Apache Chukwa?","Open source data collection system for monitoring large distributed systems."
"Which project moved into the Apache Attic in June 2016, and was described as a cross-platform framework for building and consuming network services?","Apache Etch"
"Which API in Apache MXNet is focused on improving usability for deep learning by providing a clear and concise interface as of version 1.9.1?","Gluon API"
"Which Apache project was a Java implementation of the Universal Description, Discovery, and Integration specification and moved into the Attic in February 2023?","jUDDI"
"What was the previously known name of the Apache project ""Oltu""?","Amber"
"In what year did Apache Chukwa move into the Apache Attic?","2020"
"What are the three main areas of focus in the deep learning system design concepts discussed in Apache MXNet version 1.9.1?","Abstraction, optimization, trade-offs between efficiency and flexibility."
"What Python version is required for the wine bottle detection example with a Raspberry Pi and camera?","Python 2.7"
"What is propagated down the dependency chain in Apache MXNet when an operator throws an exception, and when is it rethrown?","The exception is propagated down the dependency chain and is rethrown when there is a synchronizing call, such as `WaitToRead`."
"What compiler versions are recommended for compiling MXNet C++ source code on Raspbian?","G++ (4.8 or later) or Clang (3.9 - 6)"
"What is the limitation described when using mx.io.CSVIter in Apache MXNet version 1.9.1?","Race condition when the last `next()` call doesn't reach the batch where an exception occurs."
"Which project in the list was revived in June 2018?","XMLBeans"
"What happened to the Jakarta ECS project in September 2010?","ECS was retired due to a lack of development community."
"What is the reported validation accuracy after the first epoch of training using the MNIST dataset in Apache MXNet version 1.9.1?","0.955100"
"Which project was closed down in 2004 but is mentioned for completeness in the list?","Apache Avalon"
"What is the time cost for the first epoch of training on the MNIST dataset using Apache MXNet version 1.9.1?","11.277"
"Which project used a Java API to generate elements for markup languages like HTML 4.0 and XML?","Jakarta ECS"
"Which function is used for transforming NDArray elements from one context to another in the org.apache.clojure-mxnet.ndarray package?","as-in-context"
"What organization is responsible for hosting the ""Community Over Code"" events according to the current Apache Software Foundation guidelines and events list?","Apache Software Foundation"
"What capability does Apache Axis Savan/Java add to Web services hosted using Axis2/Java?","WS-Eventing capability"
"What is the Apache Software Foundation's policy regarding the reporting of vulnerabilities related to their running services rather than the projects themselves?","Send reports of vulnerabilities related to ASF running services to root@apache.org."
"What financial assistance program does the Apache Software Foundation offer to individuals who are unable to attend specific events?","ASF Travel Assistance Committee"
"Which function in the org.apache.clojure-mxnet.ndarray package is specific to updating the weights of an optimization algorithm using the Adam method?","adam-update"
"Under what license is Apache Axis Savan/Java released?","Apache License, Version 2.0"
"What type of reports will the Apache Security Team ignore if sent to their security contacts?","Regular bug reports or other security-related queries not related to undisclosed security problems in an Apache project."
"What is the custom error type that is used in Apache MXNet v1.7 to signal a repeated axis in a transpose operation?","ValueError"
"What class does `MXNetError` inherit from in Apache MXNet v1.7?","RuntimeError"
"What was the primary function of Apache AxKit before it moved to the Attic in August 2009?","XML Application Server for on-the-fly conversion from XML to various formats."
"What project, primarily revolving around mod_python and the Python language, moved into the Apache Attic in June 2010 due to inactivity?","Quetzalcoatl"
"What was the purpose of the Apache DeviceMap project before it moved to the Attic?","To create a data repository containing device information, images, and other relevant information for mobile devices."
"What was the primary reason that Quetzalcoatl, also known as Quetz, ceased to progress as a larger project within the Apache Software Foundation?","Lack of activity in the mod_python community."
"What environment variable should be set to specify the number of scheduling threads for prioritized CPU jobs in Apache MXNet version 1.9.1?","MXNET_CPU_PRIORITY_NTHREADS"
"What was the primary mission of Apache HAWQ before it moved into the Attic?","A Hadoop native SQL query engine combining MPP database advantages with Hadoop scalability and convenience."
"Which environment variable controls the number of OpenCV execution threads for multiprocess workers in Apache MXNet version 1.9.1?","MXNET_MP_OPENCV_NUM_THREADS"
"What is the name of the Apache project that transitioned to the Attic in December 2016 and involved creating a data repository for mobile device information?","DeviceMap"
"When did Apache HAWQ move into the Apache Attic?","2024-07"
"What is a potential challenge when using immutable data in a generic engine interface for dependency scheduling?","It's harder to schedule resource contention problems."
"What are the steps for porting existing code to the dependency engine in Apache MXNet 1.9.1?","1. Allocate the variable tags associated with resources like memory blob, PRNGs.
2. Call `push` with the execution function as the original code to execute, and put the variable tags of corresponding resources correctly in `read_vars` and `mutate_vars`."
"Which Apache project moved into the Attic in November 2021 with a mission to provide machine translation?","Apache Joshua"
"Which project in the list was revived in June 2018 and is associated with XML?","XMLBeans"
"Which Apache project moved into the Attic in August 2009 and acted as an XML Application Server for on-the-fly XML conversion?","AxKit"
"What performance improvement is highlighted for the slice operator in the MXNet 1.2.1 release?","20x improvement"
"Which function in the Clojure package's Image API determines if an array represents RGB data?","rgb-array?"
"What project, listed among those handled by the Apache Software Foundation, was previously known as Amber?","Oltu"
"What is the primary mission of Apache Chemistry as described in the text?","Creation and maintenance of software related to CMIS (Content Management Interoperability Services) Clients and Servers."
"What specific activation function in MXNet 1.2.1 was optimized to reduce memory consumption?","ReLU activation"
"Which function in the org.apache.clojure-mxnet.initializer module is used to initialize neural network weights with a Xavier distribution?","xavier"
"Which version of Apache MXNet introduced the Apple Core ML model converter feature?","0.11.0"
"Which project related to CMIS clients and servers moved into the Apache Attic in February 2022?","Apache Chemistry"
"What is the incubation status of Apache MXNet at The Apache Software Foundation and what does it imply about its endorsement?","Apache MXNet is undergoing incubation at The Apache Software Foundation, indicating it is not yet fully endorsed by the ASF."
"Which version of mxnet is listed as a beta release in the Apache Archive Distribution Directory?","2.0.0.beta1"
"What is the issue number assigned to the problem with missing Clojure licenses in the Apache MXNet Jira records?","MXNET-616"
"Which project was replaced by Apache Xerces according to the records in the Apache Attic?","Crimson"
"What is the purpose of creating a JIRA account according to the Apache MXNet project guidelines?","Tracking tasks & prioritizing issues."
"Which Java XML parser, now in the Apache Attic, supports XML 1.0 via various APIs and was moved there in August 2010?","Crimson"
"What was Apache Bloodhound's primary mission before it moved into the Apache Attic?","Issue tracking, wiki, and repository browser development."
"What is the specified email address to subscribe to the Apache MXNet USER mailing list?","user-subscribe@mxnet.apache.org"
"Which Jakarta Apache Taglib has a version of 2.0+?","Mailer 2"
"Which Apache project moved into the Attic in July 2024 and was focused on issue tracking, wiki, and repository browsing?","Bloodhound"
"Which Apache Taglib requires version 1.2+ and is found in the sandbox according to the Jakarta project reference?","Data Grid"
"What are the top-1 validation accuracies and app sizes for the pre-trained models tested on a Nexus 5?","FastPoorNet: 52%, <10MB  
Sub InceptionBN: 64%, <40MB  
InceptionBN: 70%, <60MB"
"What are the two primary additional considerations when deploying an image recognition system on mobile devices?","Model size and computational efficiency."
"What was the primary mission of Apache Metron before it moved into the Apache Attic in December 2020?","Real-time big data security."
"Which Apache project listed provides real-time big data security and moved into the Attic in December 2020?","Apache Metron"
"What environment variable must be set for a program to access the MXNet shared library dynamically on a Linux system when using the C++ API in version 1.9.1?","LD_LIBRARY_PATH"
"What command should be used to clone the MXNet GitHub repository recursively to build the C++ package in version 1.9.1?","git clone --recursive https://github.com/apache/mxnet -b 1.9.1"
"Which two frameworks are suggested as alternatives for Apache Beehive's NetUI/Page Flow component?","Struts 2 or Spring Web Flow"
"Name an Apache project from the list that was revived in June 2018.","XMLBeans"
"Which Apache project in the Attic was previously known as Amber?","Oltu"
"What package dependency is recommended to include MXNet in a Clojure project using the Apache MXNet version 1.5.0 and higher?","<dependency>
<groupId>org.apache.mxnet.contrib.clojure</groupId>
<artifactId>clojure-mxnet-linux-cpu</artifactId>
</dependency>"
"What kind of library was Apache Mnemonic designed to be?","Transparent nonvolatile hybrid memory oriented library for Big Data, High-performance computing, and Analytics."
"Which library is enabled by default in MXNet pip packages starting from version 1.7.0 to optimize performance for Intel CPUs and GPUs?","oneDNN"
"When did Apache Mnemonic move into the Apache Attic?","2025-02"
"Which function in the provided list is specifically used for applying Rectified Linear Unit activation in data processing?","relu"
"Which function listed is specifically designed for performing operation updates in the Apache MXNet framework, involving two distinct phases?","mp-lamb-update-phase1, mp-lamb-update-phase2"
"Which operation in the list involves calculating the determinant of a matrix?","linalg-det"
"Which project listed as being in the Apache Attic was formerly known as Amber?","Oltu"
"What capability could Savan/Java add to web services hosted using Axis2/Java?","WS-Eventing capability"
"What type of cryptographic algorithm is used in the public keys provided by Haibin Lin and Yizhi Liu?","RSA"
"What is the creation date of the PGP public key associated with Yizhi Liu?","2018-02-07"
"What was the original name of Apache Oltu before it moved to the Attic?","Amber"
"What is the email address associated with the PGP public key block created by Anirudh Subramanian?","anirudh2290@apache.org"
"What is Apache Oltu known for implementing?","OAuth protocol implementation in Java."
"What was the purpose of Apache Axis Savan/C in the context of web services?","Adding WS-Eventing capability to web services hosted using Axis2/C."
"Which Apache project mentioned is noted for being closed down in 2004 before the creation of the Apache Attic?","Avalon"
"What happened to Apache Oozie in February 2025?","Apache Oozie moved into the Attic in February 2025."
"What specification was Apache Axis Savan/C implementing as a C implementation for Web services?","WS-Eventing specification"
"What macro checks the computation's request type and performs the corresponding assignment when calculating the smooth L1 loss?","ASSIGN_DISPATCH"
"What step must you take before you can create issues or view JIRA boards related to Apache MXNet?","Create an account."
"What is the purpose of using the `mx.nd.waitall()` function when profiling a model with Apache MXNet?","To enforce synchronization and ensure all computations are completed before stopping the profiler."
"What was the mission of Apache Chemistry before it was moved to the Attic?","Creation and maintenance of software related to CMIS (Content Management Interoperability Services) Clients and Servers."
"What was the primary purpose of the Apache Crunch project before it moved into the Attic in June 2020?","Simple and efficient MapReduce pipelines."
"Identify one Apache project from the Attic that was previously known by a different name and provide its former name.","Oltu (previously Amber)"
"What are the specific conditions under which the NNPACK acceleration library will utilize its optimized performance for 2D convolution operations in MXNet on a Linux or OS X system?","2D convolution and no-bias=False and dilate=(1,1) and num_group=1 and (batch-size = 1 or batch-size > 1 and stride = (1,1)) on Linux or OS X."
"What is the primary advantage of the MXNet 1.0.0 release in terms of CPU usage?","Maximum CPU core utilization by default."
"What are the benefits of using immutable data in the generic dependency engine, and what challenges does it present?","Benefits: 
- Suitable for parallelization
- Improves fault tolerance through re-computation

Challenges:
- Harder to schedule resource contention
- Difficulties with resource management (memory, random numbers)
- Incompatibility with preallocated static memory"
"What is the fingerprint of Sam Skalicky's PGP public key?","EA80ACFDC243E09040508A41D1FEF450EF663114"
"Which individual associated with the Apache Software Foundation has a public key identified by the fingerprint C622DF82?","Chris Olivier"
"What framework moved into the Apache Attic in March 2025 and focused on ORM for column stores like Apache HBase and Apache Cassandra?","Apache Gora"
"Which Apache project, listed in the reference document, was previously known as Amber?","Oltu"
"What does the operator ""diag"" compute in an MXNet tensor?","Compute the diagonal of the tensor."
"What is the role of the MXImperativeInvokeEx function in the MXNet C_API during computation?","Invokes an operator to perform the computation."
"What is the only group authorized to allocate CVE IDs for Apache Software Foundation project issues?","Apache Security Team"
"Which email address should you use to report a security vulnerability specifically related to Apache Software Foundation services?","root@apache.org"
"What is the default memory pool type used for GPU memory allocation in MXNet, and what is one of its characteristics?","Naive; allocates memory for the exact requested size and caches memory buffers."
"What is the primary purpose of the PGP public key associated with Ciyong Chen at Apache?","Code signing."
"What feature related to Apple's technology was introduced in the MXNet 0.11.0 release?","Apple Core ML model converter."
"Which function specifically deals with generating a grid in mathematical computation based on the document?","grid-generator"
"What is the general security mailing list address for reporting undisclosed Apache project vulnerabilities?","security@apache.org"
"What is the difference between the `dist_sync` and `dist_device_sync` options in MXNet's distributed training context?","`dist_sync` aggregates gradients and updates weights on CPU memory, while `dist_device_sync` does so on GPUs."
"Which project was retired in April 2011 due to no new features or releases being planned?","Jakarta Regexp"
"Which Apache project previously hosted Cactus, a test framework for server-side Java code, but was retired in August 2011 due to a lack of development community?","Jakarta"
"What is a primary challenge of deploying image recognition models on mobile devices in terms of computational resources?","Low computational power."
"What was the primary mission of Apache Chukwa before it moved to the Attic in May 2020?","Open source data collection system for monitoring large distributed systems."
"What is the key identifier for the PGP public key associated with Chris Olivier's email at apache.org?","C622DF82"
"What is the designated email address for reporting undisclosed security vulnerabilities in Apache projects, excluding issues with ASF services?","security@apache.org"
"Which project included in the Apache Attic list was formerly known as Amber?","Oltu"
"Which module in the Python API provides functions for automatic differentiation in Apache MXNet?","mxnet.autograd"
"What is the primary role of the Apache Attic when an Apache project reaches its end of life?","Provide process and solutions for when an Apache project reaches its end of life."
"What role does the `DMLC_ROLE` environment variable play in manually launching distributed training jobs using MXNet?","`DMLC_ROLE` specifies the role of the process, which can be `server`, `worker`, or `scheduler`."
"What is the purpose of using the `--sync-dst-dir` option with the `launch.py` script in Apache MXNet version 1.9.1?","To synchronize the current working directory to all hosts in a cluster when it is not accessible to them."
"What was Apache REEF's primary mission before moving into the Attic in July 2022?","To provide a library for developing portable applications for cluster resource managers such as Apache Hadoop™ YARN or Apache Mesos™."
"Which Jakarta project related to markup language generation was retired due to a lack of development community?","Jakarta ECS"
"What is the minimum commitment period required for a Targeted Sponsorship to ensure funding continuity for the Apache Software Foundation?","3-year commitment"
"Which deprecated MXNet API has documentation that is still available for reference?","MXNet Symbol API"
"Who is the ultimate recipient of the PGP key with ID CB9164C76A803D861DE16E5B91052D922E28A38F?","Sheng Zha (szha) <zhasheng@apache.org>"
"What type of cache was Apache DirectMemory designed to provide for the Java Virtual Machine?","Off-heap cache"
"What are the public variables or functions associated with evaluating model accuracy in the org.apache.clojure-mxnet.eval-metric namespace?","accuracy, comp-metric, custom-metric, f1, get, get-and-reset, mae, mse, perplexity, reset, rmse, top-k-accuracy, update"
"What is the main focus of the Apache Quetzalcoatl project?","Open-source software related to mod_python and the Python programming language."
"What action should a Project Management Committee (PMC) take if they cannot get enough votes to dissolve but there are not three negative votes?","Inform the board that the vote failed to get enough votes."
"What is the email address associated with Sandeep Krishnamurthy's PGP public key?","skm@apache.org"
"What is the expiration date of Sandeep Krishnamurthy's subkey with ID 3D0D60F6?","2021-08-15"
"What is the key identifier for Wei Chu's Code Signing PGP Public Key?","26B7A45A7F22BE9DE307F2BDA62BB4B4724E4D28"
"What is the email address associated with Wei Chu's CODE SIGNING KEY?","weichu@apache.org"
"Which Apache project was designated for generating aggregated multi-channel documentation while maintaining a separation of content and presentation?","Forrest"
"What is the status of the issue tracker for Apache Forrest?","Read-only"
"What is Apache PredictionIO primarily used for in the context of machine learning?","Managing and deploying production-ready predictive services."
"Which Apache project, moved to the Attic, is a machine learning server that allows developers to deploy predictive services?","Apache PredictionIO"
"What is the effect of setting MXNET_ENFORCE_DETERMINISM to true in MXNet versions that support CUDNN?","MXNet will only use deterministic algorithms in forward and backward computation. If no such algorithm exists given other constraints, MXNet will error out."
"Which environment variable determines the repository URL used for Gluon datasets and pre-trained models in MXNet?","MXNET_GLUON_REPO"
"What programming language does MXNet support that enables seamless tensor/matrix computation with multiple GPUs?","Clojure"
"Which project listed in the Apache Attic is a continuation of its development outside the Apache Software Foundation?","aurora-scheduler"
"What is the recommended batch size multiple when training with float16 using Nvidia Tensor Cores for fast computation?","8"
"What is the primary approach discussed for spreading a workload across multiple devices in the Apache Clojure-MXNet version 1.9.1, and how is it achieved?","Model parallelism by assigning network layers to different devices."
"What is the purpose of storing the master copy of the weights in float32 when training in float16 mode?","To maintain accuracy by preventing gradient updates from becoming zero."
"What technique is used to achieve model parallelism in Apache Clojure-MXNet version 1.9.1?","Assigning the parameters and computation of different layers of the network to different devices."
"What is the status of Apache Giraph as of September 2023?","Apache Giraph moved into the Apache Attic in September 2023."
"What was the mission of Apache REEF before it moved into the Apache Attic?","To provide a library for developing portable applications for cluster resource managers such as Apache Hadoop™ YARN or Apache Mesos™."
"Which Apache project focuses on iterative graph processing and moved to the Attic in September 2023?","Giraph"
"For which cluster resource managers was Apache REEF designed to develop portable applications?","Apache Hadoop YARN, Apache Mesos"
"Whose PGP public key is associated with the email zhenghuijin@apache.org?","Zhenghui Jin"
"What is the main advantage of symbolic programs in terms of memory efficiency compared to imperative programs?","Memory reuse for intermediate computations."
"What is the donation level required for a company to become an ASF Gold Sponsor?","US$50k /year"
"What is the maximum size allowed for a logo on the ASF Silver Sponsorship page?","150x67"
"What should you install to disable oneDNN when using MXNet 1.8.0 for native installation?","pip install mxnet-native==1.8.0.post0"
"What was the primary function of the Apache MRUnit project before it moved to the Apache Attic?","Unit testing Apache Hadoop MapReduce jobs."
"Which feature of Apache MXNet supports both Gluon eager imperative mode and symbolic mode to enhance flexibility and speed?","Hybrid Front-End"
"Which deprecated Jakarta project is suggested to have its features replaced by using _java.util.regexp_ in newer Java versions?","Jakarta Regexp"
"How does the InputSplit functionality in dmlc-core facilitate parallel data access when working with binary RecordIO data format?","InputSplit in dmlc-core facilitates parallel data access by logically partitioning binary RecordIO data into arbitrary splits, regardless of the number of physical files. It avoids splitting records, allowing parallel processes to efficiently access different parts of the dataset."
"Which Apache project, revived in June 2018, is currently housed in the Apache Attic?","XMLBeans"
"Which Apache project, formerly known as Amber, is included in the list?","Oltu"
"Which project moved into the Apache Attic in July 2022 with a mission to create a simple build system for Java applications?","Buildr"
"What type of `OpReqType` should be used when accumulating tensor results to avoid extra space allocation?","kAddTo"
"What programming language is supported by MXNet to enable flexible and efficient GPU computing in version 1.9.1?","Julia"
"Which Apache project, now in the Attic, was previously known as Amber?","Oltu"
"Which project listed under the Apache Attic was previously known as Amber?","Oltu"
"What led to the retirement of Jakarta Cactus in August 2011?","Lack of development community."
"What tool is recommended for improving accuracy when deploying models with the Intel MKL-DNN backend?","Intel® Neural Compressor"
"Which deployment option allows for real-time object detection using MXNet on a specific device?","Real-time Object Detection with MXNet On The Raspberry Pi"
"What is the primary purpose of the PGP keys listed for developers associated with Apache projects?","Code signing."
"Which project from the list was revived in June 2018?","XMLBeans"
"What type of issues should not be reported to Apache security contacts as they are not considered security vulnerabilities?","- A lack of DMARC or SPF record on our domains  
- ""Clickjacking"" on our domains  
- Directory listings  
- Systems that disclose the versions of the servers and software we use  
- Data publicly accessible in our Jira bug tracking system"
"What is the general mailing list address used for reporting undisclosed security vulnerabilities in Apache projects?","security@apache.org"
"What is the primary way to inform the Apache Foundation if you decide to fork the Metron project outside of Apache?","Let us know so we can link to your project."
"What is the deprecated API mentioned in the list of available Scala tutorials for Apache MXNet version 1.9.1?","Model API *Deprecated*"
"Which function from the org.apache.clojure-mxnet.ndarray-random-api is experimental and relates to generating probability distributions for events with two possible outcomes?","binomial"
"What is the function within org.apache.clojure-mxnet.ndarray-random-api that is specifically used for generating random samples from a Poisson distribution?","poisson"
"What is the key identifier for Serge Panev's RSA public key created on May 17, 2021?","A011A9F61097B9B978DD8C059342E8358B37F579"
"What is the email address associated with Zhenghui Jin's RSA CODE SIGNING KEY created on September 27, 2021?","zhenghuijin@apache.org"
"What is the minimum yearly donation required for a Gold Sponsorship with the Apache Software Foundation?","US$50k per year"
"What is one requirement for a business to sponsor the Apache Software Foundation?","A business must be demonstrably committed to open source software and The Foundation’s mission."
"What are the two primary high-level packages of the Apache MXNet’s Python API in version 1.9.1?","Gluon API and Module API"
"What is the recommended API for new users in Apache MXNet version 1.9.1, and why is it preferred?","Gluon API"
"Which project listed in the Attic section was previously known as Amber?","Oltu"
"Which project moved into the Apache Attic in July 2022 and aimed to create a simple build system for Java applications?","Buildr"
"Which Apache project listed in the document was previously known as Amber?","Oltu"
"What flag must be set in the make configuration file to enable the build of the MXNet C++ Package, specifically in version 1.9.1 of Apache MXNet?","USE_CPP_PACKAGE = 1"
"What is the command argument to include when running `im2rec` if an image has four labels, specific to Apache MXNet version 1.9.1?","label_width=4"
"In Apache MXNet version 1.9.1, what callback signature should be used for monitoring operators in a HybridBlock after hybridization?","callback(node_name: str, opr_name: str, arr: NDArray) -> None"
"What is the primary purpose of the runtime dependency engine in Apache MXNet 1.9.1 for deep learning?","To parallelize and synchronize computation across multiple devices."
"What role did Apache ObJectRelationalBridge (OJB) serve before it moved to the Apache Attic?","Object/Relational mapping tool for Java Objects against relational databases."
"What is the incubation status of Apache MXNet, and what does it imply about the project's endorsement by the Apache Software Foundation?","Apache MXNet is undergoing incubation at The Apache Software Foundation, which implies it has not yet been fully endorsed by the ASF."
"What problem does dependency scheduling aim to solve in multi-device deep learning according to Apache MXNet 1.9.1?","Parallelize and synchronize computation across devices in multi-threading environments."
"What tool was suggested as a potential alternative to Apache OJB for Java object persistence against relational databases?","Apache Cayenne"
"Which interface of MXNet provides one-click access to pre-trained models for effortless use?","Gluon Model Zoo"
"What custom error type does Apache MXNet v1.7 allow the `transpose` operator to throw in the Python frontend?","ValueError"
"What threat exists when using a custom optimizer with `kvstore.set_optimizer` in MXNet?","The optimizer code is sent to server nodes as a pickle file, and the server executes it without validation, trusting the sender."
"What specification-based implementations did Apache WS Muse focus on before moving to the Attic?","WS-ResourceFramework (WSRF), WS-BaseNotification (WSN), WS-DistributedManagement (WSDM)"
"What is the primary purpose of the PGP public key provided for Ciyong Chen?","Code signing"
"What is the philosophy described as ""Community Over Code"" associated with the Apache Software Foundation?","Prioritizing the community's health and collaboration over the technical code itself."
"What feature was introduced in MXNet version 1.5.0 that supports improved computational efficiency through operation precision?","Automatic Mixed Precision"
"What type of organization is the Apache Software Foundation recognized as under U.S. law?","501(c)(3) charitable organization"
"Which feature of MXNet supports both eager imperative mode and symbolic mode, providing flexibility and speed?","Hybrid Front-End"
"What Apache project was explicitly revived in June 2018?","XMLBeans"
"What type of key does Anirudh Subramanian use for code signing?","rsa4096"
"What operation involving element selection is indicated by the function ""choose-element-0index""?","Element selection using zero-based indexing."
"Which project listed has been noted as revived as of June 2018?","XMLBeans"
"What does setting `MXNET_CUDA_TENSOR_OP_MATH_ALLOW_CONVERSION` to 1 allow when `MXNET_CUDA_ALLOW_TENSOR_CORE` is also set to 1?","Allows implicit type casting to Float16 for Tensor Core usage with Float32 input data."
"Which function in the org.apache.clojure-mxnet.symbol-api is responsible for computing the determinant of a matrix?","-linalg-det"
"Which function in the org.apache.clojure-mxnet.symbol-api is specifically used for unraveling a multi-index into an array of indices?","-unravel-index"
"What project served as a web and social mashup engine for aggregating and serving web widgets, and moved into the Apache Attic in January 2016?","Apache Rave"
"What was the primary mission of Apache Pivot before moving into the Attic in January 2025?","Rich Internet applications in Java."
"Which Apache project was moved into the Attic in February 2024 related to Build Artifact Repository Management?","Apache Archiva"
"Which Apache project focused on unit testing server-side Java code and was retired in 2011 due to a lack of community development?","Jakarta Cactus"
"What is the minimum percentage of targeted, cash-based sponsorships that must be used to provide general ASF services to support the agreed targeted sponsorship goal?","15%"
"Which function in the list related to apache clojure-mxnet is used to check if all elements are finite?","all-finite"
"What functionality did Apache MXNet introduce with support from Horovod for better multi-GPU or multi-host training efficiency?","Support for Horovod."
"What platform does Apache MXNet use to track issues and larger projects, and what must you do before creating issues or viewing boards on it?","JIRA; create an account."
"Which component in Apache MXNet 1.9.1 architecture is responsible for efficiently allocating and recycling memory blocks on both CPU and GPUs?","Storage Allocator"
"What cloud service is recommended for setting up a GPU cluster to train deep learning models with MXNet?","AWS"
"Which function is used to calculate the element-wise hyperbolic sine in the provided list?","sinh"
"What does the `OpReqType kAddTo` indicate about how computation results should be handled?","Add to the provided space."
"Which function in the document is classified as experimental in the org.apache.clojure-mxnet.symbol-random-api?","exponential, exponential-like, gamma, gamma-like, generalized-negative-binomial, generalized-negative-binomial-like, multinomial-like, negative-binomial, negative-binomial-like, normal, normal-like, pdf-dirichlet, pdf-exponential, pdf-gamma, pdf-generalized-negative-binomial, pdf-negative-binomial, pdf-normal, pdf-poisson, pdf-uniform, poisson, poisson-like, randint, uniform, uniform-like"
"What function is specifically designed to reverse the order of elements in an input array?","reverse"
"Which function in the reference is used to perform a softmax operation on the input data?","softmax"
"What happened to Apache PredictionIO in September 2020?","Apache PredictionIO moved into the Attic in September 2020."
"Which project related to mod_python and the Python programming language moved to the Apache Attic in June 2010?","Quetzalcoatl"
"What project moved into the Apache Attic in July 2015 and provided an API server and drivers for connecting to cloud providers?","Apache Deltacloud"
"What is the mission of Apache Any23 that led to its inclusion in the Apache Attic?","Creation and maintenance of software related to automatic crawling, parsing, analyzing, producing, validating, and converting RDF data."
"Which project moved into the Apache Attic in 2023 and was a Java implementation of the Universal Description, Discovery, and Integration specification?","jUDDI"
"What three areas do the deep learning system design concepts primarily focus on for Apache MXNet?","Abstraction, optimization, trade-offs between efficiency and flexibility."
"What is a key requirement for an effective IO system in terms of data file management when handling large datasets in Apache MXNet?","Parallel (distributed) packing of data."
"Which Apache project is specifically stated to have been closed down before the creation of the Apache Attic?","Avalon"
"What is the primary mission of Apache Bahir as described in the document?","Provide extensions to distributed analytic platforms such as Apache Spark."
"What was the primary purpose of Apache Lens before it moved to the Apache Attic?","Unified analytics platform."
"What is the status of the issue tracker for Apache Lens, as mentioned in the reference?","Read-only"
"What Apache project provides atomic upserts and incremental data streams on Big Data?","Hudi"
"What Apache project offers a unified process to measure data quality from different perspectives for both streaming and batch mode?","Griffin"
"Which bug is associated with a memory leak from R optimizers in Apache MXNet version 1.9.1?","MXNET-563"
"What organization sponsors the incubation of Apache MXNet?","Apache Incubator"
"What is the primary focus of the current efforts regarding the Python API in Apache MXNet version 1.9.1?","Gluon API."
"What is a benefit of using immutable data in a generic dependency engine in terms of parallelization?","More suitable for parallelization."
"Which project from the Apache Attic was revived in June 2018?","XMLBeans"
"What specific command argument must be added when using the 'im2rec' tool to ensure labels are properly processed according to the provided instructions in the Apache MXNet version 1.9.1 documentation?","label_width=4"
"Which Apache project, mentioned for completeness, was closed down before the Apache Attic was created?","Avalon"
"Which project that moved into the Apache Attic in December 2016 aimed to create a data repository for mobile device information?","Apache DeviceMap"
"What is the latest version of Apache MXNet mentioned in the document that has a direct link to get started with its features?","1.9.1"
"Which function in the org.apache.clojure-mxnet.kvstore module initializes the optimization algorithm used during training?","set-optimizer"
"Which project in the Attic was revived in June 2018?","XMLBeans"
"Which project was moved to the Apache Attic in January 2025 and was a Web development framework focusing on separation of concerns and component-based design?","Cocoon"
"Which project in the Attic was previously known as Amber?","Oltu"
"What specific plugin is evaluated for the Wiki in the Apache MXNet Confluence installation?","Gliffy Confluence Plugin"
"What API can be used for both single and batch image classification in Scala with MXNet?","Infer API"
"What version of Atlassian Confluence is used for the Apache MXNet Wiki?","7.19.30"
"Which project listed as being in the Apache Attic was previously known as Amber?","Oltu"
"What was the primary mission of Apache jUDDI before it moved into the Attic in February 2023?","Java implementation of the Universal Description, Discovery, and Integration specification."
"What framework version supports eight language bindings including Python, Scala, and Java, and has features like hybrid front-end and distributed training?","Apache MXNet"
"In which retired deep learning framework can distributed training and performance optimization be achieved using dual Parameter Server and Horovod support?","Apache MXNet"
"Identify one parameter from the Apache MXNet Java API version 1.9.1 related to the convolution operation.","ConvolutionParam"
"What was the reason for the retirement of Jakarta ECS in September 2010?","Lack of development community."
"Which section under the ""Learn"" category would you visit to understand the operational structure of the Apache Software Foundation?","How the ASF Works"
"Which function in the org.apache.clojure-mxnet.optimizer supports the creation of an intermediate state for optimizer updates?","create-state"
"Which function from the Apache MXNet library, version X.X.X, can be used to compute the determinant of a matrix, as referenced in the document?","linalg-det"
"Which function in Apache MXNet is specifically designed to update model parameters using the second phase of the LAMB optimization algorithm?","lamb-update-phase2"
"What command can be used to generate a binary image file from a list of images using Apache MXNet version 1.9.1 tools?","./bin/im2rec image.lst image_root_dir output.bin resize=256"
"What is the purpose of setting the environment variable `MXNET_ENGINE_TYPE` to `'NaiveEngine'` during debugging with Apache MXNet?","To disable multi-threading and make the execution engine synchronous for easier backtrace examination."
"In Apache MXNet's debugging process, what programming style should you avoid hybridizing to examine intermediate results effectively?","imperative style (Gluon non-hybridized)"
"What is the primary mission of the leadership within the Apache Software Foundation?","Providing software for the public good."
"What governance structure does the Apache Software Foundation use for electing its leadership?","Elected by Members."
"Which Apache project, moved to the Attic in May 2014, was a JEE web application framework providing a natural rich client style programming model?","Click"
"What is the licensing model under which the content is copyrighted from 2009 to 2025 by The Apache Software Foundation?","Apache License, Version 2.0"
"Which project listed in the reference document was revived in June 2018?","XMLBeans"
"Which project listed was previously known as Amber?","Oltu"
"Which Apache project provides full-text search capabilities for dynamic programming languages and is a port of Apache Lucene for Java?","Lucy"
"Which public variable or function is associated with the namespace org.apache.clojure-mxnet.base in Clojure-mxnet 1.9.1-SNAPSHOT?","MX_REAL_TYPE"
"What environment variables are needed to configure MXNet for accessing Amazon S3 data storage?","AWS_ACCESS_KEY_ID  
AWS_SECRET_ACCESS_KEY"
"What type of license is the Clojure-mxnet 1.9.1-SNAPSHOT package released under?","Apache License"
"Which framework was considered the natural successor to Apache iBATIS after it moved to the Attic?","MyBatis"
"What libraries and tools are necessary for building MXNet on an EC2 GPU instance according to version 1.9.1?","C++ compiler with C++11 support (e.g., gcc >= 4.8), CUDA, cuDNN (optional), BLAS, opencv, curl, openssl."
"What major transformation occurred to Apache iBATIS in June 2010 according to the Apache Attic?","iBATIS was moved to the Apache Attic, and its committers moved to MyBatis."
"What parameter specifically related to SGD momentum update is mentioned multiple times in the Apache MXNet 1.9.1 API reference?","multi_sgd_mom_updateParam"
"What feature of Apache MXNet allows the export of networks for inference in multiple language bindings, such as Java or C++?","Hybrid Front-End (hybridize functionality)"
"Name one distributed learning framework supported by Apache MXNet in version 1.9.1.","Horovod"
"What is the purpose of the Gluon Model Zoo in the MXNet ecosystem?","One-click pre-trained models, fast implementations of state-of-the-art models for effortless use."
"What is the Bulk Synchronous Parallel paradigm related to in Apache Hama?","Bulk Synchronous Parallel computing."
"Which function specifically performs determinant calculations within the org.apache.clojure-mxnet.ndarray-api?","-linalg-det"
"What happened to the Jakarta ORO project after no new features or releases were planned?","The Jakarta ORO project was retired in September 2010."
"What is the role of MXNet Julia package in enabling tensor/matrix computation with GPUs in Julia?","It enables seamless tensor/matrix computation with multiple GPUs in Julia."
"What is the main mission of Apache OODT as described in the document?","To create Object Oriented Data Technology (middleware metadata)."
"Which Apache project was moved into the Attic in August 2020 for innovation experiments, and still has an open but read-only issue tracker?","Labs"
"Which Apache project listed in the Attic is described as an enterprise-ready continuous integration server with features such as automated builds and release management?","Continuum"
"What project hosted by Jakarta in 2000 focused on JSP Tag Libraries and later moved much of its work to the Tomcat Taglibs project?","Jakarta Taglibs"
"What development stage does Apache MXNet hold within the Apache Software Foundation as indicated by its status?","Incubating"
"What is the highest number of images that can be predicted per second with Inception-v3 on an EC2 instance using the V100 GPU for any batch size?","960.20"
"What MXNet module provides functions for automatic differentiation?","mxnet.autograd"
"Which MXNet module acts as the interface for parameter synchronization using a key-value store?","mxnet.kvstore"
"What is the required step for compiling MXNet to support calling Caffe operators directly?","Uncomment and modify the lines in `config.mk`:

```
CAFFE_PATH = $(HOME)/caffe
MXNET_PLUGINS += plugin/caffe/caffe.mk
```"
"Which project listed in the Apache Software Foundation reference document moved into the Attic in December 2020 and focused on real-time big data security?","Metron"
"What programming paradigm does Apache Polygene explore for domain-centric application development?","Composite Oriented Programming"
"What are the requirements for a receiving Project Management Committee (PMC) to restart a project in the Apache Software Foundation after it has been moved to the Attic?","Recreate a PMC for the project or transfer to an existing PMC, with the receiving PMC willing to assume responsibilities and no Board objections."
"What are the two mechanisms by which a project may enter the Apache Attic?","The managing Project Management Committee (PMC) decides to move the project, or The Apache Software Foundation's board dissolves the PMC and chooses to move the project."
"What is the recommended action if the MXNet compilation on Raspberry Pi fails due to memory issues?","Increase the swapfile size to 1024 by editing the file `/etc/dphys-swapfile` and restarting the swap service."
"Which Apache project, archived in 2020, was designed as an open source data collection system for monitoring large distributed systems?","Chukwa"
"Which Apache project, according to the reference document, is still accessible via a read-only issue tracker and a functioning website despite being moved to the Attic?","Chukwa"
"Which project listed in Apache's ""Projects in the Attic"" was revived in June 2018?","XMLBeans"
"What software does Apache use for tracking website analytics, and how is user IP anonymized within this system?","Matomo; anonymized by removing the last two octets of the IP address."
"What type of error occurs when a `transpose` call is made with a repeated axis in Apache MXNet version 1.9.1?","ValueError"
"How can you register a custom error type in the Python frontend of Apache MXNet version 1.9.1?","```
import mxnet as mx

@mx.error.register
class MyError(mx.MXNetError):
    def __init__(self, msg):
        super().__init__(msg)
```"
"What was the primary function of Apache Forrest before it moved to the Attic in February 2020?","Generation of aggregated multi-channel documentation maintaining a separation of content and presentation."
"Which instance shows an ""Out Of Memory"" error for VGG 16 when batch size increases, and on which GPU does this occur?","128, K80 and M60 GPUs."
"Which AWS EC2 instance has the highest throughput of images per second for Alexnet with a batch size of 32?","V100"
"What is the main advantage of using expression templates in C++ over Python kernel generation for composing efficient big operations from smaller ones?","Compile-time evaluation and no additional runtime overhead."
"What was Apache Marmotta's primary function before moving into the Apache Attic in November 2020?","Open platform for Linked Data."
"What is the status of the issue tracker for Apache Joshua after it moved into the Apache Attic?","The issue tracker is read-only."
"What was Apache AxKit primarily used for before moving into the Apache Attic?","XML Application Server for Apache."
"What license is the content related to the Apache Software Foundation provided under according to the document?","Apache License, Version 2.0"
"Which year did Apache Joshua move into the Apache Attic?","2021"
"What was the mission of Apache Chemistry before it moved into the Attic?","Creation and maintenance of software related to CMIS (Content Management Interoperability Services) Clients and Servers."
"When did Apache AxKit transition into the Apache Attic?","August 2009"
"What experimental feature was introduced in Apache MXNet 0.11.0?","Gluon interface."
"Which organization holds the copyright for Apache Chemistry as mentioned in the document?","The Apache Software Foundation"
"What is the purpose of the Apache Incubator program as described?","To ensure newly accepted projects stabilize infrastructure, communications, and decision-making processes to align with successful ASF projects."
"What is the email address for subscribing to the Apache MXNet user mailing list?","user-subscribe@mxnet.apache.org"
"What is the process to submit a pull request for a significant update to Apache MXNet?","Create a JIRA issue, then create the pull request on GitHub and include the JIRA issue ID in the PR's title."
"What must you retain in the source form of any derivative works you distribute, according to the Apache License, Version 2.0?","All copyright, patent, trademark, and attribution notices from the Source form of the Work."
"What does the Apache License, Version 2.0, specify about using the Licensor's trademarks?","The Apache License, Version 2.0, does not grant permission to use the Licensor's trademarks, except for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file."
"Which software in the Attic was previously known as Amber?","Oltu"
"Which project, listed under ""Projects in the Attic"" by Apache, shares its name with a natural spinning structure created by silkworms?","Cocoon"
"Which Apache project moved into the Attic in August 2020 and served as a unified analytics platform?","Apache Lens"
"What is the primary advantage of using multi_precision mode of optimizer when training in float16 with Apache MXNet version 1.9.1?","Increases precision of weight updates and can lead to faster convergence."
"What is the prerequisite Nvidia GPU range for performing mixed precision training with float16 in Apache MXNet version 1.9.1?","Volta range of Nvidia GPUs"
"Which Apache project, mentioned in the document, was built on J2EE and Struts, and used annotations to reduce code requirements?","Beehive"
"What is the potential compatibility issue when installing MXNet with oneDNN on Arm 64-bit Linux platforms?","Incompatibility between APL's license and the Apache license."
"What is the suggested alternative for Beehive Controls according to the Apache Beehive documentation?","Spring Beans"
"What is the email address of the individual associated with the PGP key blocks provided?","anirudh2290@apache.org"
"Which Apache project mentioned is associated with a framework used for building web applications in Java but is now in the Attic?","Beehive"
"What specific version of MXNet introduced oneDNN as the default optimization in pip packages?","1.7.0"
"What is the creation date of the CODE SIGNING KEY associated with Anirudh Subramanian?","2018-05-15"
"What is the benefit of storing images as records using RecordIO in terms of dataset size?","Storing images in a compact format, like JPEG, greatly reduces the dataset size on disk."
"Which mathematical function in the apache clojure-mxnet.symbol-api is specifically related to matrix operations and often used to compute determinants?","-linalg-det"
"Which Apache project listed in the Attic was a place for experimentation and innovation by committers of the foundation?","Labs"
"Which Apache project dealing with Object/Relational mapping moved to the Attic in January 2011?","Apache ObJectRelationalBridge (OJB)"
"Which Apache project moved into the Attic in April 2023 and aimed to create Object Oriented Data Technology middleware metadata?","OODT"
"What is the status of Apache OODT's issue tracker after moving to the Attic?","Read-only"
"Which resource related to the REEF project is marked as read-only according to the information provided?","Issue Tracker (JIRA)"
"What was Apache Lenya used for before it moved to the Attic in April 2015?","Apache Lenya was an Open Source Java/XML Content Management System."
"What framework was moved to the Apache Attic in December 2017 and allowed for centrally managing and distributing software components using OSGi?","Apache ACE"
"What is the focus of Apache Gora as an ORM framework?","Hadoop integration for column stores."
"Which Apache project listed in the Attic was specifically designed as an ORM framework for column stores with a focus on Hadoop?","Gora"
"What is a significant challenge faced by dependency engines when using a pseudo-random number generator in parallel computation?","Reproducibility issues."
"What type of issues are not classified as security vulnerabilities by the Apache Security Team?","- A lack of DMARC or SPF record on our domains
- ""Clickjacking"" on our domains
- Directory listings
- Systems that disclose the versions of the servers and software we use
- Data that is publicly accessible in our Jira bug tracking system"
"What is the mission of Apache Archiva regarding software development?","Creation and maintenance of software related to Build Artifact Repository Manager."
"What happens to Apache Archiva's issue tracker after it moves into the Apache Attic?","The issue tracker is read-only."
"What is the only group able to allocate CVE IDs to Apache Software Foundation project issues?","Apache Security Team"
"Which symbol API function is responsible for extracting the diagonal from a matrix?","-linalg-extractdiag"
"What is the email address associated with Zach Kimberg's PGP key?","zachgk@apache.org"
"Which Apache project listed in the Attic previously went by the name Amber?","Oltu"
"What is the default dimension order expected by PDL methods when initializing an NDArray and how does it differ from AI::MXNet::NDArray?","PDL methods expect dimensions in column-major order; AI::MXNet::NDArray uses row-major order."
"In which major format does AI::MXNet::NDArray store its dimensions, and how does this relate to the initialization of an NDArray from PDL in version 1.9.1?","Row major."
"What was the primary mission of Apache DRAT before it moved to the Attic?","Large scale code license analysis, auditing, and reporting."
"What is the focus of the current efforts in the Apache MXNet Python API version 1.9.1?","Gluon API."
"Which project related to large scale code license analysis was moved to the Apache Attic in August 2020?","DRAT"
"How can you recover a previous commit after mistakenly resetting a branch to a wrong commit?","git reflog"
"What command allows you to stage resolved conflict files before continuing with a rebase?","git add [resolved files]"
"What factor determines whether weight updates are propagated immediately or delayed in gradient compression according to Apache MXNet 1.9.1?","The factor is the size of weight updates."
"Which function specifically focuses on computing the sum of the logarithms of diagonal elements in a matrix?","-linalg-sumlogdiag"
"What environment variable in Apache MXNet 1.9.1 controls the threshold for when a weight matrix is partitioned across all servers instead of being sent to a single server?","MXNET_KVSTORE_BIGARRAY_BOUND"
"Which function is responsible for computing the inverse of a matrix in the specified library functions?","linalg-inverse"
"What is the expiration date of the primary RSA public key generated on February 15, 2019, for Qing Lan?","2021-02-14"
"What is the PGP public key identifier associated with Qing Lan's email address lanking@apache.org?","0812952358B12DC30536E7E0C06916C3AB88ABFE"
"Whose PGP public key has the fingerprint 126F 8E1A 1220 4B31 D88B 0381 5CC8 0E02 0B26 CA03?","Leonard Lausen"
"What is Apache ObJectRelationalBridge (OJB) and when did it move into the Apache Attic?","Apache ObJectRelationalBridge (OJB) is an Object/Relational mapping tool for Java, and it moved into the Apache Attic in January 2011."
"What is the email address associated with Sam Skalicky's CODE SIGNING KEY?","samskalicky@apache.org"
"What is the expiration date of Sandeep Krishnamurthy's key, identified by 4096R/3D0D60F6?","2021-08-15"
"Which person is associated with the email address cjolivier01@gmail.com in the context of PGP public key blocks?","Chris Olivier"
"What library is enabled by default in Apache MXNet pip packages from version 1.7.0 to enhance performance on Intel hardware?","oneDNN"
"What must be manually installed for AArch64 platforms using Linux CPU pip wheels with oneDNN due to license incompatibility?","Arm Performance Libraries (APL)"
"Which project from the provided list was revived in June 2018?","XMLBeans"
"Which project is mentioned as previously having the name Amber?","Oltu"
"What precaution should be taken when using mx.random in MXNet to ensure security?","Use a cryptographically secure pseudorandom number generator instead of `mx.random` for security-critical functionality."
"What security risk is associated with using `kvstore.set_optimizer` in MXNet?","Execution of unvalidated code sent as a pickle file."
"What is the function of `mx.viz.plot_network` in visualizing neural networks with MXNet?","`mx.viz.plot_network` visualizes a neural network as a computation graph with nodes and edges."
"What year was Apache Etch moved into the Apache Attic?","June 2016"
"Which project related to network services entered the Apache Attic in June 2016?","Etch"
"What libraries are necessary to visualize neural networks using `mx.viz.plot_network` in MXNet?","Jupyter Notebook, Graphviz"
"Which Apache project, moved to the Attic in December 2017, is built using OSGi to manage and distribute software components and configurations?","Apache ACE"
"Which software project listed is noted for its revival in June 2018?","XMLBeans"
"What is the primary mission of Apache Any23 (Anything to Triples), and what happened to it in June 2023?","Creation and maintenance of software for handling RDF data. Moved to the Attic in June 2023."
"Which specific Apache project related to RDF data was moved to the Attic in June 2023?","Apache Any23"
"What is the main focus of the Apache Quetzalcoatl project related to Python?","mod_python and the Python programming language"
"Which mod_python-related project moved into the Apache Attic in June 2010?","Quetzalcoatl"
"What is the maximum value for the MXNET_OPTIMIZER_AGGREGATION_SIZE variable in Apache MXNet version 1.9.1?","60"
"In Apache MXNet version 1.9.1, what happens to accumulation when MXNET_SAFE_ACCUMULATION is set to true?","Accumulation is done in a higher precision data type than the input data type for more accurate results, with possible performance and backward compatibility loss."
"Which code signing key ID belongs to Przemysław Krzysztof Trędak?","ABD3F3423F41245A6E5E065D7273634B104F135F"
"What was the primary mission of Apache HAWQ before it moved to the Apache Attic in July 2024?","Hadoop native SQL query engine combining MPP database advantages with Hadoop scalability."
"Which function in the org.apache.clojure-mxnet.ndarray-api section is used for computing the determinant of a matrix?","-linalg-det"
"What technological approach did Apache HAWQ combine with Hadoop's scalability before its transition to the Apache Attic?","MPP database"
"What is a challenge associated with immutability in data flow engines according to the Apache MXNet version 1.9.1 documentation?","Resource contention problems."
"What character is the only member present in both the Enumerations and Enumerator categories but not in the Functions list?","k"
"What is a benefit of using dynamic scheduling in the dependency engine interface from Apache MXNet version 1.9.1?","Supports auto parallelism for imperative programs."
"Which letter is found in the Enumerator category but is completely absent from both the Functions and Enumerations lists?","z"
"Which Jakarta Taglib version is required for supporting the 'Cache' functionality?","1.2+"
"What is the primary purpose of Apache Forrest software that was moved to the Apache Attic?","Generation of aggregated multi-channel documentation maintaining a separation of content and presentation."
"What type of memory was Apache Mnemonic designed for?","Nonvolatile hybrid memory."
"Which Apache project moved into the Attic in February 2025?","Mnemonic"
"What is the role of model parallelism in optimizing memory usage across GPUs when training large LSTM networks according to Apache MXNet version 1.9.1?","Model parallelism in Apache MXNet 1.9.1 optimizes memory usage across GPUs for training large LSTM networks by partitioning the model itself, assigning different network layers to different GPUs. This ensures no single GPU stores all model parameters, reducing memory load and balancing computation."
"What are the suggested heuristics for workload partitioning across GPUs when implementing model parallelism in Apache MXNet version 1.9.1?","- Place neighboring layers on the same GPUs to minimize communication time.
- Balance the workload between GPUs.
- Consider that different layers have different computation-memory properties."
"Which project became read-only when it moved into the Apache Attic in September 2023?","Giraph"
"Which project related to iterative graph processing was moved to the Apache Attic in September 2023?","Giraph"
"What was the mission of Apache Pivot before it moved into the Attic?","Rich Internet applications in Java."
"What components does the Caffe plugin add into MXNet for integrating Caffe's neural network functionality?","`sym.CaffeOp`"
"As of January 2025, what type of applications was Apache Pivot primarily associated with?","Rich Internet applications in Java"
"What tool is used to convert a Caffe model's parameters into MXNet's NDArray format?","convert_model.py"
"What issues should not be reported to the Apache Security contacts because they are not considered security vulnerabilities?","- A lack of DMARC or SPF record on domains
- ""Clickjacking"" on domains
- Directory listings
- Systems disclosing server and software versions
- Publically accessible data in the Jira bug tracking system"
"In what year did Apache Mnemonic enter the Apache Attic, and for what type of library was it used?","2025; nonvolatile hybrid memory library for Big Data, High-performance computing, and Analytics."
"What is the incubation sponsor mentioned for Apache MXNet according to version 1.4.1?","Apache Incubator"
"What feature of MXNet Julia package enables efficient matrix computation using multiple GPUs?","Seamless tensor/matrix computation with multiple GPUs."
"What is the role of the `DeclareBackwardDependency` interface in determining the garbage collection of tensors in MXNet operations?","The `DeclareBackwardDependency` interface specifies which tensors are needed for the backward pass of an operation, allowing MXNet to determine which tensors can be safely freed after the forward pass to optimize memory usage and garbage collection."
"What is the primary interface of MXNet for deep learning exploration, as mentioned in version 1.4.1?","Gluon"
"Which foundation owns the trademarks associated with MXNet and under what license is it distributed?","Apache Software Foundation; Apache License, Version 2.0"
"Which type of `ResourceRequest` in MXNet supports acquiring a `mshadow::Random<xpu>` object for computation?","kRandom"
"What was the main mission of the Apache Open Climate Workbench before it moved to the Attic?","Climate model evaluation."
"In what year was Apache Open Climate Workbench moved to the Attic?","2020"
"What happens to Apache MXNet after being moved into the Attic in September 2023?","The website, downloads, and issue tracker remain open, though the issue tracker is read-only. If someone forks MXNet outside of Apache, they are encouraged to notify Apache so the project can be linked."
"What was the specific computational paradigm used by Apache Hama for Big Data analytics?","Bulk Synchronous Parallel paradigm"
"Which category does Apache Hama belong to within the Apache Software Foundation as of April 2020?","Attic"
"Which project focused on creating Rich Internet applications in Java and moved to the Apache Attic in January 2025?","Apache Pivot"
"Which Apache project, closely linked to Tapestry 4, was moved into the Attic due to decreased activity when Tapestry 5 adopted a new Inversion of Control (IoC) container?","HiveMind"
"What was a primary feature of the Jakarta Slide content repository before it was retired in 2007?","WebDAV support."
"What is the primary library enabled by default in MXNet pip packages starting from release 1.7.0?","oneDNN"
"What is the main purpose of the PGP keys listed in the reference document?","Code signing"
"In what year was the PGP key for Ly Nguyen created?","2017"
"What multiplicative penalty term is applied to a link being used once when MXNet attempts to optimize data communication with tree reduction?","0.7"
"What is the default percentage of GPU memory reserved for non-GPU array tasks in MXNet?","5"
"What is the Perl package used in MXNet to perform tensor computations, and how does it relate to Python's API?","AI::MXNet"
"Which project listed in the Apache Attic focuses on data collection and monitoring?","Chukwa"
"What is a key best practice for ensuring the integrity of trained models shared or received in MXNet?","Ensure model artifacts are authenticated and integrity protected using cryptographic signatures."
"What is one security vulnerability specific to MXNet's handling of distributed training with no built-in authentication for cluster nodes?","Lack of authentication allows denial of service (DoS) attacks on cluster nodes."
"What type of container was Apache Excalibur before it moved to the Attic?","Java Inversion of Control container"
"What change is required in MXNet to train a convolutional network using MNIST data stored in an S3 bucket instead of the local disk for version 1.9.1?","Modify the data paths in the script to point to S3 URLs, e.g., replace `""data/train-images-idx3-ubyte""` with `""s3://bucket-name/training-data/train-images-idx3-ubyte""`."
"What is the primary function of the MXNet API function `MXNDArraySyncCopyFromCPU`?","Copies data from a CPU memory to an MXNet NDArray."
"What email is associated with Serge Panev's PGP public key used for code signing?","spanev@nvidia.com"
"What unexpected behavior occurs between the execution of the diag and sum operators, and what causes it according to the MXNet profiling details?","The unexpected behavior between the execution of the diag and sum operators is the execution of ResourceParallelRandomSetSeed. This is caused by the MXNet resource manager initializing the random number generator due to the sum operator requesting temporary space."
"What function is responsible for physically allocating space for data in an MXNet ndarray?","MXNDArrayCreateEx"
"Which function in the org.apache.clojure-mxnet.module API is specifically used for initializing optimization processes in the Clojure package?","init-optimizer"
"Which two projects in the reference document have affinities with DeviceMap in terms of user-agent analysis approaches?","OpenDDR, YAUAA"
"Which optimization function is specifically named in the Apache Clojure MXNet library for incremental gradient descent with momentum?","nag"
"What function in the Apache Clojure MXNet library is used to generate a random sample following a Poisson distribution?","poisson"
"What parameter is used in the Smooth L1 loss calculation that impacts the gradient and is described as having a special significance?","sigma2"
"What is the minimum commitment period required for Targeted Sponsorships with the Apache Software Foundation?","3-year commitment"
"What is the tax identification number for the Apache Software Foundation?","47-0825376"
"What was the primary function of Apache Deltacloud before it moved into the Attic?","Cloud abstraction API server and drivers."
"In which part of the Apache MXNet does exception handling occur for spawned threads during the data loading process?","Spawned threads, such as those used by iterators during the data loading process."
"What mode does MXNet's version 1.0.0 utilize by default to maximize CPU core utilization?","Imperative mode"
"Which toolkit included in Apache MXNet provides pre-trained models for state-of-the-art implementations?","Gluon Model Zoo"
"Which method specifically calculates the determinant of a matrix in Apache MXNet?","linalg-det"
"What is a major challenge for dependency engines when scheduling memory recycling in parallel processing environments?","Determining when to recycle memory."
"What is a potential issue with using pseudo-random number generators in parallelized computations in deep learning dependency engines?","Non-reproducible results due to non-thread-safe PRNGs."
"Which functions listed relate to both hyperbolic and trigonometric inverse operations?","arcsin, arcsinh, arctan, arctanh"
"What is operation folding, and why is it not possible in imperative programs?","Operation folding is an optimization where multiple operations are combined into one to improve efficiency. It is not possible in imperative programs because intermediate values may be needed later, preventing the safe merging of operations."
"Which Apache project that moved into the Attic in June 2018 is a ""loose C"" port of the Apache Lucene search engine library for Java?","Lucy"
"Which Apache project, now in the Attic, served as a predecessor to MyBatis and included both Java and .Net implementations for data mapping?","iBATIS"
"What framework does Apache MXNet support for distributed learning as introduced by Uber?","Horovod"
"What does the acronym REEF stand for in the context of Apache's projects?","Retainable Evaluator Execution Frameworks"
"What is the primary entry path for projects and communities seeking to join the Apache Software Foundation?","Apache Incubator"
"What was the main reason for the retirement of Jakarta Cactus in August 2011?","Lack of development community."
"Which project encourages users to transition to different testing techniques after its retirement?","Jakarta Cactus"
"Which Apache MXNet issue ID is related to the Caffe converter test having a broken dependency?","MXNET-601"
"Which issue ID in Apache MXNet is associated with needing multiple loss functions while training in R?","MXNET-784"
"Which experimental function in the org.apache.clojure-mxnet.symbol-random-api generates random numbers based on the Poisson distribution?","poisson"
"What function in the org.apache.clojure-mxnet.util is used to transform a buffer into a vector?","buffer->vec"
"Name one of the projects mentioned that was moved to the Apache Attic in March 2017.","Abdera"
"What was the primary purpose of the Apache Abdera project according to the document?","Build a functionally-complete, high-performance implementation of the IETF Atom Syndication Format (RFC 4287) and Atom Publishing Protocol (RFC 5023) specifications."
"What is one benefit of using the RecordIO file format for storing images in a dataset?","Continuous reading on the disk."
"What constant scaling factors are recommended to ensure that the absolute value of a gradient remains in the range of float16 during training?","64, 128, 256, 512"
"What optimization technique in symbolic programs allows multiplication and addition operations to be executed as a single GPU kernel, and why is this not possible in imperative programs?","Operation folding."
"How do symbolic programs optimize memory usage during forward and backward passes in deep neural networks compared to imperative programs?","Symbolic programs optimize memory usage by performing in-place computations, reusing memory for intermediate values, and employing operation folding."
"What is the minimum commitment period required for a Targeted Sponsorship with the Apache Software Foundation?","3-year commitment."
"What page format must sponsor landing pages adhere to for the Apache Software Foundation?","Landing pages for sponsor links must be ""PG Rated"" and safe for work environments. They should not be advertisements or redirectors and must link to a home page or a page with relevant, editorial content about open source software."
"What is the recommended installation method for using MXNet's C++ package, noting the specific build configuration required?","Build from source with the `USE_CPP_PACKAGE=1` option."
"What allows MXNet's pip packages from version 1.7.0 to optimize performance on Intel CPUs and GPUs?","oneDNN (oneAPI Deep Neural Network Library)"
"What advantages did the MXNet 1.2.1 release offer for ReLU activation and convolution performance?","Reduced memory consumption for ReLU activation and improved performance of depthwise convolution."
"Which project listed in the Apache Attic was previously known as Amber?","Oltu"
"Which function in the provided list is specifically designed for performing element-wise multiplication on arrays?","elemwise-mul"
"Identify one project that is categorized under ""Projects in the Attic"" and involves data processing or management.","Crunch"
"Which project categorized under ""Projects in the Attic"" was previously known as Amber?","Oltu"
"What is the main focus of the current efforts for the Python API in Apache MXNet 1.9.1?","Gluon API."
"What environment variable should you set to disable Operator tuning in Apache MXNet version 1.9.1?","MXNET_USE_OPERATOR_TUNING=0"
"Which system design concept in Apache MXNet 1.9.1 focuses on making system-level decisions for deep learning efficiency and flexibility?","Abstraction, optimization, and trade-offs between efficiency and flexibility."
"Which Apache project provides a distributed OLAP data store for real-time analytics across various use cases?","Pinot"
"Which Apache project is known for offering a framework to connect source content repositories to target repositories or indexes?","ManifoldCF"
"What was one of the main features of Jakarta Slide that contributed to its functionality as a content management system?","WebDAV support."
"Identify one project from the list that was previously known under a different name and provide both names.","Oltu (previously Amber)"
"When was Jakarta Slide retired due to a lack of development community?","November 2007"
"What was Apache Aurora primarily used for before it moved into the Apache Attic?","A Mesos framework for long-running services, cron jobs, and ad-hoc jobs."
"What is the primary licensing model for Apache MXNet as of version 1.1.0?","Apache License, Version 2.0"
"Which project related to a Web development framework was archived in January 2025, focusing on separation of concerns and a component-based approach?","Apache Cocoon"
"What are the programming languages supported by the Apache MXNet API in version 1.1.0?","Python, C++, Julia, Perl, R, Scala"
"Which project, previously known as Amber, is listed in the reference document?","Oltu"
"Which Apache project moved into the Attic in June 2021 with the mission to provide a common interface for metadata discovery and data source querying?","MetaModel"
"Which Apache project focusing on real-time big data security moved into the Attic in December 2020?","Metron"
"Which project in the list has a mission related to metadata discovery and querying across different data sources, and moved into the Apache Attic in 2021?","MetaModel"
"Which Apache project in the Attic was previously known as Amber?","Oltu"
"What component in MXNet manages parameter distribution and aggregation across devices during distributed training, and what is its role in synchronization?","KVStore"
"What is the advantage of using multi-precision mode in MXNet's optimizer when training with float16?","Increased precision of weight updates and faster convergence."
"What type of issues are explicitly stated as not being considered security vulnerabilities by the Apache Security Team?","A lack of DMARC or SPF record on our domains, ""Clickjacking"" on our domains, directory listings, systems that disclose the versions of the servers and software, data publicly accessible in our Jira bug tracking system."
"What is the process that follows the private reporting of a vulnerability in Apache projects?","The reporter reports the vulnerability privately to Apache. The appropriate project's security team works privately with the reporter to resolve the vulnerability. The project creates a new release to fix the vulnerability. The project publicly announces the vulnerability and describes how to apply the fix."
"Which Apache project was moved into the Attic in March 2017 and provides an implementation of the IETF Atom Syndication Format and Atom Publishing Protocol?","Apache Abdera"
"Identify one project from the list that has been explicitly marked as ""retired.""","MXNet"
"What is recommended to avoid when debugging MXNet code to ensure you can examine intermediate results effectively, and what is the alternative approach before maximizing execution efficiency?","Do not hybridize; use imperative style (non-hybridized Gluon)."
"What environment variable setting in Apache MXNet (version 1.9.1) disables multi-threading to facilitate debugging by making execution synchronous?","MXNET_ENGINE_TYPE='NaiveEngine'"
"What year did Apache Excalibur move into the Attic?","December 2010"
"Which Java Inversion of Control container, moved to the Apache Attic in December 2010, lacks known natural successors or potential forks?","Excalibur"
"What is the correct Clojure dependency to add to a project to install the MXNet package version 1.9.1-SNAPSHOT?","[org.apache.mxnet.contrib.clojure/clojure-mxnet ""1.9.1-SNAPSHOT""]"
"Which namespace provides functions like `backward` and `forward` for managing gradients in Apache MXNet version 1.9.1-SNAPSHOT?","org.apache.clojure-mxnet.executor"
"What specific command is used to modify the MNIST data directory to read from an Amazon S3 bucket in the reference document?","sed -i.bak ""s!data_dir = 'data'!data_dir = 's3://dmlc/mnist'!"" example/image-classification/train_mnist.py"
"Which project listed in the Apache Attic was previously known as Amber?","Oltu"
"What feature does the MXNet Scala package provide for performing seamless tensor or matrix computations?","Flexible and efficient GPU computing with multiple GPUs."
"How does the explicit backward path approach in deep learning optimize memory consumption when calculating gradients?","The explicit backward path approach optimizes memory consumption by allowing memory associated with nodes to be freed immediately after their gradients are computed, as the approach clearly outlines computation dependencies. This enables more efficient memory recycling compared to methods that rely on back-propagating through the original computation graph."
"What programming language does MXNet support that allows for flexible and efficient GPU computing as mentioned in the 1.9.1 version of the Apache documentation?","Scala"
"What is the main advantage of using in-place operations for memory optimization in neural network computation?","Reduced memory usage by reusing existing memory space instead of allocating new memory."
"What action should be taken if someone chooses to fork Apache Buildr outside of the Apache Foundation?","Let the Apache Foundation know so they can link to your project."
"What is the status of the issue tracker for Apache Buildr as mentioned in the document?","Read-only."
"What is the purpose of the Apache Incubator within The Apache Software Foundation?","The Apache Incubator provides a path for projects and their communities that want to enter The Apache Software Foundation."
"What is the annual flagship conference of The Apache Software Foundation known as ""Community Over Code""?","Community Over Code"
"What year did Apache Abdera move into the Attic?","March 2017"
"Which function listed in the reference is used for calculating the sum of an array across specific indices or axes?","sum-axis"
"What are the conditions under which you may demand the deletion of your personal data according to Art. 17 GDPR?","You may demand deletion of your personal data if it's no longer needed, consent is withdrawn, you object to processing, data is unlawfully processed, or legal obligations require erasure."
"What method is used for encrypting data during a site visit, and what is the usual encryption level supported by browsers?","SSL (Secure Socket Layer), 256-bit encryption."
"What does the incubation status of Apache MXNet indicate about its endorsement by the Apache Software Foundation?","The project has yet to be fully endorsed by the Apache Software Foundation."
"Which Apache project, moved to the Attic in October 2020, focused on climate model evaluation?","Open Climate Workbench"
"Which elements are included in `PoolingProperty::DeclareBackwardDependency` but excluded in `FullyConnectedProperty::DeclareBackwardDependency`?","`out_data[0]`"
"Identify one project listed under ""Projects in the Attic"" that shares its name with a type of furniture or architecture.","Archiva"
"What must be included in the announcement to ensure users are informed about the retirement of an Apache project?","Project retirement announcement, project URL for retirement details, resources remain available, mention of the Apache Attic."
"What is the minimum percentage of targeted cash-based sponsorships used to support general ASF services?","15%"
"Which project listed under ""Projects in the Attic"" was previously known as Amber?","Oltu"
"What needs to be pre-approved by the VP Fundraising in the context of targeted sponsorships?","Any additional recognition on committee or project page(s)."
"What is the primary email address associated with Zach Kimberg's PGP public key?","zachgk@apache.org"
"What parameter controls the number of CPU threads used for summing big arrays on a single machine in Apache MXNet version 1.9.1?","MXNET_KVSTORE_REDUCTION_NTHREADS"
"What change is recommended to the swapfile configuration on Raspberry Pi devices with less than 1GB of RAM to address compiler memory issues when building MXNet?","CONF_SWAPSIZE=1024"
"What action is recommended for tracking tasks and prioritizing issues for contributing to Apache MXNet?","Create a JIRA account."
"What is required to create or view JIRA boards for Apache MXNet?","Create a JIRA account."
"What command should you use to check your CUDA version before installing an MXNet pip package that matches your CUDA version?","nvcc --version"
"Which function in the org.apache.clojure-mxnet.ndarray-random-api interface is specifically designed for generating samples that follow a generalized negative binomial distribution?","generalized-negative-binomial"
"Which project listed among those in the Attic was revived in June 2018?","XMLBeans"
"What is the former name of the Apache project Oltu?","Amber"
"What distribution framework, now in the Apache Attic, was built using OSGi and allows centralized management and distribution of software components?","ACE"
"Which Apache project mentioned in the list was previously known as Amber?","Oltu"
"Which project related to big data stream and batch processing was moved into the Apache Attic in September 2019?","Apache Apex"
"What is the formal process for submitting a non-trivial improvement or feature to Apache MXNet according to the specified version in the reference?","1. Review the contribution standards for your submission.
2. Create a JIRA issue.
3. Create the PR on GitHub and add the JIRA issue ID to the PR's title."
"What is the process for a Project Management Committee (PMC) to move a project to the Apache Attic?","A PMC decides to move to the Attic, discusses and votes on the public dev list, informs the board, and if approved, opens an Attic JIRA item. The Attic PMC executes steps like informing users and updating project resources."
"What is required to create issues or view JIRA boards for Apache MXNet?","Create an account."
"What is the email address associated with Anirudh Subramanian's code signing key?","anirudh2290@apache.org"
"What is the key ID of the primary PGP public key associated with Anirudh Subramanian?","AF55CD6D"
"Which platform is described as a ""Unified analytics platform"" that moved to the Apache Attic in August 2020?","Apache Lens"
"What was revived in June 2018 as mentioned in the context of Apache projects?","XMLBeans"
"What is the function in the org.apache.clojure-mxnet.ndarray-api library used to extract the diagonal of a matrix?","-linalg-extractdiag"
"In what year did Apache OODT move into the Apache Attic?","2023"
"Which project under The Apache Software Foundation was focused on creating Object Oriented Data Technology and moved to the Apache Attic in 2023?","OODT"
"In which programming language does the MXNet Perl package implement an interface similar to, and what must be modified to adapt the code to this language?","Python"
"What was the primary mission of Apache Pivot before it moved into the Attic?","Rich Internet applications in Java."
"In which month and year did Apache Pivot move into the Attic?","January 2025"
"What is the primary purpose of the GluonTS toolkit in the context of deep learning within the Apache MXNet ecosystem?","Probabilistic time series modeling."
"What unique feature of the Apache MXNet front-end enhances flexibility and speed in deep learning model development?","Hybrid front-end."
"Which Apache project related to Build Artifact Repository Manager moved into the Attic in February 2024?","Apache Archiva"
"What is the status of the issue tracker for Apache Archiva after it moved into the Attic?","Read-only."
"What function in the org.apache.clojure-mxnet.util namespace is responsible for transforming a Scala buffer to a vector representation?","buffer->vec"
"What change occurred to Apache MXNet in September 2023 regarding its status within the Apache Software Foundation?","Moved into the Attic."
"What is the creation date of Naveen Swamy's PGP key for code signing?","2017-08-14"
"What advantage does enabling MXNET_BACKWARD_DO_MIRROR provide in terms of device memory usage during training?","Saves 30%~50% of device memory during training."
"Which Apache project listed in the reference document was previously known as ""Amber""?","Oltu"
"Which NDArray function is used to determine the maximum value across all elements in a given set of data?","max"
"What is the status of the Apache MXNet project as mentioned in the document?","This project has retired."
"What happened to the majority of the Jakarta Taglibs libraries in 2008 and 2009?","The majority of the Jakarta Taglibs libraries were deprecated and retired."
"Which project did the Jakarta Taglibs work move to for remaining work after most libraries were deprecated?","Tomcat Taglibs"
"What parameter in MXNet's gradient compression can be adjusted to balance the frequency of weight updates during training, and what is the default value?","Threshold; default value is 0.5."
"Which project mentioned in the document, retired due to a lack of development community, previously served as a content repository with full WebDAV support?","Jakarta Slide"
"What is the safer alternative to force push when multiple collaborators use the same branch in Apache version 1.9.1?","git push --force-with-lease"
"What is the email address associated with Leonard Lausen's CODE SIGNING KEY?","lausen@apache.org"
"What happens if an ASF sponsorship renewal does not occur by the renewal date?","The ASF may remove your logo from the thanks page."
"What happened to Apache Labs in August 2020?","Apache Labs moved into the Attic in August 2020."
"Which Apache project listed is associated with XML and was revived in June 2018?","XMLBeans"
"What library is enabled by default in Apache MXNet pip packages starting from version 1.7.0 for performance optimization on Intel CPUs and GPUs?","oneDNN"
"What should be manually installed on AArch64 platforms when using oneDNN with Apache MXNet due to licensing incompatibility?","APL (Arm Performance Libraries)"
"Which Apache project moved into the Attic in January 2016 and focused on Google Guice extensions?","Onami"
"Which project related to Google Guice extensions is mentioned as having its source code available via both Subversion and Git according to Apache's documentation?","Onami"
"What assumption does the MXNet framework make about the entities involved in model training and hosting?","The MXNet framework assumes that the entities involved in model training and hosting are fully trusted and that their communications cannot be eavesdropped or tampered with."
"What mechanism does MXNet use to transfer custom optimizer code to server nodes in distributed training, and what is the potential security risk associated with this process?","`kvstore.set_optimizer` using a pickle file; no validation of the pickle file."
"What is the stated purpose of incubation for the Apache MXNet project at The Apache Software Foundation?","Incubation is required for newly accepted projects until infrastructure, communications, and decision-making processes stabilize consistent with other successful ASF projects."
"Which year did Apache MetaModel move into the Apache Attic?","2021"
"What notable Apache project, described as an enterprise-ready continuous integration server with automated builds and release management moved to the Apache Attic in May 2016?","Apache Continuum"
"What function is used in Apache MXNet version 1.9.1 to visualize a neural network as a computation graph?","mx.viz.plot_network"
"What are the prerequisites required to visualize a neural network using MXNet's `mx.viz.plot_network`?","Jupyter Notebook, Graphviz"
"Which project in the Apache Attic was previously known as Amber?","Oltu"
"What environment variable must be set to a larger number for attempting more GPU parallelism according to Apache MXNet version 1.9.1?","MXNET_GPU_WORKER_NTHREADS"
"Which distributed learning framework developed by Uber does Apache MXNet support for multi-gpu or multi-host training, while ensuring near-linear scaling efficiency?","Horovod"
"What is the environment variable setting that can disable operator tuning for controlling OMP usage in Apache MXNet version 1.9.1?","MXNET_USE_OPERATOR_TUNING=0"
"Which Apache project in the list is associated with C programming language variants, such as Axis Sandesha2/C and Axis Savan/C?","Axis"
"Which project in the list is also known by a previous name, Amber?","Oltu"
"How can you register a pre-forward hook in MXNet Gluon Block to ensure it does not modify input or output?","To register a pre-forward hook in MXNet Gluon Block without modifying input or output, use:

```python
def pre_hook(block, input) -> None:
    pass

pre_handle = block.register_forward_pre_hook(pre_hook)
```"
"What should be the signature of a post-forward hook in MXNet Gluon Block version 1.9.1, and what restriction applies to it?","`hook(block, input, output) -> None` with the restriction that it should not modify the input and output."
"What does the suffix ""-cu101"" indicate about a specific MXNet pip package?","CUDA version 10.1"
"What primary requirement must be met when selecting an MXNet pip package version for CUDA installation?","The installed CUDA version must match the CUDA version in the MXNet pip package."
"Which project listed in the document was revived in June 2018?","XMLBeans"
"Which project is associated with a URL that specifically mentions Falcon?","Apache Falcon"
"What technique in Apache MXNet's IO design, as of version 1.9.1, enables efficient data parallelism by allowing packed data to be logically divided, regardless of the number of physical files?","InputSplit"
"What are the components stored in each record of MXNet's binary RecordIO format, and what is the specific role of the ""Pad"" component?","Magic number, Lrecord, Data, Pad. Pad is used to align the record to 4 bytes."
"Which Apache project in the Attic previously went by the name ""Amber""?","Oltu"
"Which Apache project, found in the attic, was previously known as Amber?","Oltu"
"What is the role of the scheduler process in MXNet's distributed training architecture?","To set up the cluster and coordinate communication among nodes."
"What is the primary condition for enabling distributed training in Apache MXNet version 1.9.1?","`USE_DIST_KVSTORE=1`"
"What paradigm was Apache Hama based on for Big Data analytics?","Bulk Synchronous Parallel"
"Which Apache project, having moved into the Attic in 2020, was designed for Big Data analytics using the Bulk Synchronous Parallel paradigm?","Apache Hama"
"What type of cache was Apache DirectMemory designed as for the Java Virtual Machine?","Off-heap cache"
"What is the status of Apache DirectMemory as of July 2015?","Apache DirectMemory moved into the Attic in July 2015."
"Which Apache project implemented the WS-ReliableMessaging specification as a module for the Axis2/C Web services engine?","Sandesha2/C"
"What messaging capability does Sandesha2/C add to Web services hosted using Axis2/C?","Reliable messaging capability."
"What is the primary focus of the system design concepts described in Apache MXNet's documentation?","Abstraction, optimization, and trade-offs between efficiency and flexibility."
"What are the necessary environment variables for configuring S3 authentication tokens for Apache MXNet version 1.9.1?","AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY"
"What must be appended to `config.mk` to enable S3 integration when building Apache MXNet from source?","USE_S3=1"
"What happened to the Jakarta Regexp project in April 2011?","Retired."
"Jakarta Regexp was part of which larger hosting group before its retirement?","Apache Software Foundation"
"What framework did Apache Aurora serve as, specifically for long-running services, cron jobs, and ad-hoc jobs, before moving into the Apache Attic?","Apache Aurora"
"Which Apache project moved into the Attic in June 2020 with a focus on simple and efficient MapReduce pipelines?","Crunch"
"Which Apache project, previously known as Amber, is listed among the projects mentioned in the reference document?","Oltu"
"Which random number function is included in both `org.apache.clojure-mxnet.ndarray-random-api` and `org.apache.clojure-mxnet.random`?","uniform"
"Name one project that moved into the Apache Attic in May 2016 and describe its primary function.","Apache Continuum; it was an enterprise-ready continuous integration server."
"What is the recommended method to ensure precise weight updates when training a network in float16 using the Symbolic API?","Use the multi-precision mode of the optimizer."
"What challenge does random number generation pose for dependency engines in parallel processing?","Reproducibility and state mutation."
"How does a dependency engine handle memory recycling in parallel processing differently from serial processing?","In parallel processing, a dependency engine schedules memory recycling operations to occur after all dependent computations complete, unlike in serial processing where memory is recycled when a variable goes out of scope."
"Which Apache project listed in the document was revived in June 2018?","XMLBeans"
"What is the role of the MXNet Java Inference API in deploying models in a Java ecosystem?","Provides model loading and inference functionality for deploying existing models in a Java ecosystem."
"What is the purpose of the MXNet Java Inference API as an extension of the Scala Infer API in version 1.9.1?","To provide an efficient and easy-to-use inference API for deploying models into a Java ecosystem."
"Which project that moved into the Apache Attic in December 2010 was a Java Inversion of Control container?","Excalibur"
"What is the effect of setting a very large threshold value for gradient compression in MXNet version 1.9.1?","The updates become too infrequent and the training will converge slower."
"What quantization method is supported in the current release of MXNet for gradient compression?","Two-bit quantization"
"What will happen if sponsorship renewal does not occur by its renewal date according to the policies of The Apache Software Foundation?","The ASF may remove your logo from the thanks page."
"What command can be used to terminate lingering jobs on slave computers in a distributed training setup using Apache MXNet version 1.9.1?","cat hosts | xargs -I{} ssh -o StrictHostKeyChecking=no {} 'uname -a; pgrep python | xargs kill -9'"
"What programming language does Apache MXNet support for GPU computing and deep learning model construction, as mentioned in version 1.9.1?","Scala"
"What methods are used to ensure data privacy when collecting website usage data, according to the Apache Software Foundation's current privacy policy?","IP address anonymization, using Matomo without cookies, respecting Do Not Track settings, and self-hosting data on a virtual machine accessible only by Apache Privacy committee members."
"What information is anonymized by Matomo to ensure privacy, according to the Apache Software Foundation's privacy policy for version 1.9.1?","The IP address is anonymized by removing the last two octets."
"What is the creation date of Sam Skalicky's PGP public key?","2020-09-22"
"Who is the owner of the PGP public key with the identifier DF20B044?","Ciyong Chen"
"What is the primary email domain associated with Chris Olivier's PGP public key for Apache?","cjolivier01@apache.org"
"What is the creation date of Chris Olivier's PGP public key with the identifier C622DF82?","2017-11-29"
"What was the primary mission of Apache Any23 before it was moved to the Apache Attic?","Creation and maintenance of software related to automatic crawling, parsing, analyzing, producing, validating, and converting RDF data."
"What was the primary mission of Apache Archiva before it moved to the Apache Attic?","Build Artifact Repository Manager."
"What is the name of the event listed under ""Related Apache Links"" that will take place in North America in 2025?","Community Over Code North America 2025"
"Why was the Jakarta Cactus project retired?","Lack of development community."
"What was the natural successor to the HiveMind project after it moved to the Attic?","Tapestry IoC"
"What is the status of the issue tracker for Apache Any23 since its move to the Attic?","Read-only."
"Which Apache project in the Attic was previously known as Amber?","Oltu"
"Which testing framework did Jakarta previously host for server-side Java code before it was retired in August 2011?","Cactus"
"What was a core feature of HiveMind that caused it to lose activity when Tapestry 5 adopted a new container?","Inversion of Control (IoC) Container."
"What is the primary mission of the leadership of the Apache Software Foundation?","Providing software for the public good."
"Which Apache Software Foundation project is specifically dedicated to promoting diversity and inclusion within its open source communities?","Diversity and Inclusion"
"Which Apache project listed was revived in June 2018?","XMLBeans"
"What is the email address associated with the ultimate uid in Zach Kimberg's PGP public key?","zachgk@apache.org"
"Which protocol specifications was Apache Abdera designed to implement?","IETF Atom Syndication Format (RFC 4287) and Atom Publishing Protocol (RFC 5023)."
"Which Apache project related to IETF Atom Syndication Format moved into the Attic in March 2017?","Abdera"
"What is the purpose of the `convert_symbol.py` tool in the conversion process from Caffe to MXNet?","Convert Caffe model definition in protobuf into MXNet's Symbol in JSON format."
"What are the necessary steps to compile MXNet with Caffe support on a Linux system?","1. Copy `make/config.mk` into the MXNet root as `config.mk`.

2. Open `config.mk` and uncomment lines:

   ```
   CAFFE_PATH = $(HOME)/caffe
   MXNET_PLUGINS += plugin/caffe/caffe.mk
   ```

3. Modify `CAFFE_PATH` to your Caffe installation path if necessary.

4. Build with 8 threads using:

   ```
   make clean && make -j8
   ```"
"Which version of the Apache MXNet library first enforced deterministic algorithms for convolutional layers?","1.3.1"
"Which Apache project provides a solution for scalable cross-language services development?","Thrift"
"Which Apache project focuses on providing a microservice framework with tools and components for easier development and deployment of cloud applications?","ServiceComb"
"What is the impact on performance when using VGG 16 on a V100 GPU with a batch size of 128?","703.30"
"What is the performance result for training Alexnet on a single K80 GPU with a batch size that is multiplied by 16?","300.30"
"What type of content management system was Apache Lenya classified as before moving to the Apache Attic?","Open Source Java/XML Content Management System"
"Which Apache project moved into the Attic in April 2015?","Lenya"
"Which project from the Apache Attic list was previously known as Amber?","Oltu"
"What is the recommended approach for examining intermediate results when debugging an MXNet network using Gluon API?","Do not hybridize."
"How does setting the environment variable `MXNET_ENGINE_TYPE='NaiveEngine'` affect the execution of MXNet code for debugging purposes?","Setting `MXNET_ENGINE_TYPE='NaiveEngine'` makes execution synchronous and disables multi-threading, allowing easier examination of backtraces for debugging."
"What function in the `org.apache.clojure-mxnet.executor` namespace is used to retrieve gradient arrays?","grad-arrays"
"Which function in the `org.apache.clojure-mxnet.eval-metric` namespace is associated with evaluating model performance using mean absolute error?","mae"
"Which operating system is specifically mentioned as supported by MXNet for running on Raspberry Pi devices?","Raspbian"
"Which Apache project related to managing Hadoop jobs moved into the Attic in February 2025?","Oozie"
"What type of system was Apache Oozie designed as, specifically for managing what kind of jobs within Apache Hadoop?","Workflow scheduler system for managing Apache Hadoop jobs."
"Which project in the Apache Attic involves a cloud abstraction API and moved into the Attic in July 2015?","Deltacloud"
"What was the revival year of the Apache project XMLBeans?","June 2018"
"What is the primary mission of Apache Bahir?","Provide extensions to distributed analytic platforms such as Apache Spark."
"What is the status of the issue tracker for Apache Bahir as of 2024?","Read-only."
"What is the primary entry path for external projects wishing to join The Apache Software Foundation?","Apache Incubator"
"Which Apache incubating project is designed to detect statistically significant changes in time-series data?","Otava"
"What is the incubation status of Apache MXNet at The Apache Software Foundation, and what does this status imply?","Apache MXNet (Incubating). Incubation indicates the project has yet to be fully endorsed by the Apache Software Foundation."
"What feature does MXNet 1.0.0 include to enhance CPU core utilization?","Maximum CPU core utilization by default."
"What is the R API version mentioned in relation to the Apache MXNet project?","0.11.0"
"Which project related to web publishing frameworks is listed in the Apache Attic?","Cocoon"
"What is the mailing list archive for developers associated with Cocoon?","https://mail-archives.apache.org/mod_mbox/cocoon-dev/"
"What is the minimum percentage of targeted, cash-based sponsorships that must be used to provide general ASF services?","15%"
"Which tensors are suggested to share the same memory spaces during the Forward and Backward phases in the context of element-wise operations?","`in_data[0]` and `out_data[0]` during Forward, `out_grad[0]` and `in_grad[0]` during Backward."
"What is the mission of the Apache Open Climate Workbench that moved into the Attic in October 2020?","Climate model evaluation."
"How is the value of in-kind services for targeted sponsorships determined according to the Apache Software Foundation’s policy?","The value of in-kind services is determined by the VP Fundraising with input from the fundraising committee and valued at 100% of the fair market value of the service."
"Which Apache project, previously involved in Climate model evaluation, moved into the Attic in October 2020?","Open Climate Workbench"
"What interface must be implemented within `OperatorProperty` to create an operator for computation?","CreateOperator"
"What is the project type associated with Apache MXNet on the Jira Tracker?","software"
"What is a safer alternative to a force push when multiple collaborators are using the same branch in Apache MXNet?","git push --force-with-lease"
"What is the renewal procedure for ASF sponsorship, and when will sponsors be contacted about renewal?","Sponsorship runs for one year. Sponsors are contacted for renewal two months before the sponsorship ends."
"What must contributors do as part of their pull request to the Apache MXNet project?","Add your name to CONTRIBUTORS.md."
"What is required to join the MXNet Slack channel?","Send a request to the contributor mailing list."
"Which Apache software has a continuation project named aurora-scheduler outside of the Apache Software Foundation?","Aurora"
"What was the main mission of Apache Crunch before it moved into the Attic in June 2020?","Simple and Efficient MapReduce Pipelines."
"Which Apache project focused on extensions for Google Guice and is now in the Apache Attic?","Apache Onami"
"Which project was moved into the Apache Attic in 2021 and focused on offering a common interface for metadata exploration and querying various data sources?","MetaModel"
"What is the official repository URL for downloading ACE from the Apache archive?","https://archive.apache.org/dist/ace/"
"Which project in the Apache Attic archive was formerly known as Amber?","Oltu"
"What was Apache WS Muse a Java-based implementation of before it moved into the Apache Attic?","WS-ResourceFramework (WSRF), WS-BaseNotification (WSN), WS-DistributedManagement (WSDM) specifications."
"Which Apache project moved into the Attic in September 2019 and was known for big data stream and batch processing?","Apache Apex"
"What action does the Apache Foundation request from individuals who choose to fork the WS Muse project outside of Apache?","Please let us know so we can link to your project."
"What is the status of the issue tracker for Apache Apex project now housed in the Apache Attic?","Read-only."
"What is a challenging issue related to memory recycling in the context of parallel processing for dependency scheduling?","Determining when to recycle memory safely without violating dependencies."
"What is a key advantage of using RecordIO for storing images in MXNet version 1.9.1?","Compact storage and efficient disk reading."
"What is the purpose of using the `--list` parameter when creating an image list file with `im2rec.py` in MXNet?","Generate the image list file automatically."
"What was the primary function of the Jakarta ORO project before it was retired?","Text-processing Java classes providing Perl5 compatible regular expressions."
"What does the function signature of the callback monitor used with `register_op_hook` include?","callback(node_name: str, opr_name: str, arr: NDArray) -> None"
"Which project moved into the Apache Attic in June 2022 and focused on managing semantically linked data through RESTful Web Services?","Clerezza"
"Name one project listed in the reference that was previously known by a different name.","Oltu"
"What is the primary advantage of using model parallelism in LSTM networks on multiple GPUs according to the principles described for Apache MXNet version 1.9.1?","No GPU has to maintain all of the model parameters in memory."
"Which layers in LSTM networks typically consume more computation time due to dependency when implementing model parallelism with Apache MXNet version 1.9.1?","LSTM layers."
"Identify one project mentioned in the list that was previously known by a different name and provide its former name.","Amber"
"Which function from the org.apache.clojure-mxnet.ndarray API is used to find the maximum values along a specified axis in an array?","argmax"
"Which public variable or function from the org.apache.clojure-mxnet.monitor is used to measure time intervals?","tic, toc"
"What is the purpose of the `ResourceParallelRandomSetSeed` event during MXNet’s operator execution in version 1.9.1?","Initialization overhead for setting the random number generator seed."
"What is the effect of running the compute process twice on the initialization overhead in MXNet version 1.9.1?","The initialization overhead is reduced in the second run, as the resource manager initialization is not needed again, making the process smaller and faster."
"What happened to the majority of the Jakarta Taglibs project libraries after the advent of the JSP Standard Tag Library (JSTL)?","The majority of these libraries were deprecated and retired. Some moved to the Tomcat Taglibs project, but then others, like the RDC Taglib, were also retired later."
"Which project within the retired Jakarta Taglibs moved its remaining work to the Tomcat Taglibs project?","Standard"
"What is the principle behind allowing memory sharing in a multi-layer perceptron computation graph?","To allow memory sharing only between variables whose lifetimes don't overlap."
"What is an advantage of using an explicit backward path in deep learning libraries?","Clear dependency management between computations and optimized memory usage."
"Which continuous integration server project moved into the Apache Attic in May 2016?","Apache Continuum"
"Which project that was retired in November 2007 provided full WebDAV support and was suggested to be replaced by Apache Jackrabbit for similar functionalities?","Jakarta Slide"
"Which content repository solution with full WebDAV support was retired due to a lack of development community?","Jakarta Slide"
"What is the recommended data type for executing the softmax computation in mixed precision training using the Symbolic API to ensure more precise results?","float32"
"What version of MXNet introduced deterministic algorithm enforcement for convolutional layers?","1.3.1"
"Which interface of Apache MXNet is highlighted in a 60-minute crash course and what type of interface is it?","Gluon, the imperative interface of MXNet."
"What simple solution is proposed for porting deep learning libraries to smart devices, and what library is it compared to?","Amalgamation, compared to SQLite."
"What is the primary dependency of the amalgamated `.cc` file used in Apache MXNet for prediction on smart devices?","BLAS library"
"What is the purpose of the Gluon Model Zoo in MXNet?","One-click pre-trained models for effortless use."
"What is the incubation status of Apache MXNet at The Apache Software Foundation?","Apache MXNet (Incubating)"
"What technique does Apache Polygene explore for domain-centric application development?","Composite Oriented Programming"
"In what year did Apache Polygene move into the Attic?","2018"
"What type of transition does MXNet's hybrid front-end facilitate to enhance both flexibility and speed?","Gluon eager imperative mode and symbolic mode transition."
"What is the name of the toolkit in MXNet focused on probabilistic time series modeling?","GluonTS"
"What command is used to terminate lingering jobs on slave computers in an EC2 GPU cluster setup running MXNet version 1.9.1?","cat hosts | xargs -I{} ssh -o StrictHostKeyChecking=no {} 'uname -a; pgrep python | xargs kill -9'"
"What does the `dist_device_sync` option do differently compared to `dist_sync` when using the KVStore in the Apache MXNet framework?","`dist_device_sync` aggregates gradients and updates weights on GPUs, while `dist_sync` does so on CPU memory."
"What is the process for enabling GPU support when compiling MXNet for data parallelism training?","Set `USE_CUDA=1` in `config.mk` before `make`."
"What is required when proposing a new feature for Apache MXNet in terms of detailed information?","Open an issue in MXNet’s JIRA with a detailed description, scope, and requirements of the feature."
"What platform is used for tracking issues and improvements for Apache MXNet features, as of version 1.9.1?","JIRA"
"What is a key reason for moving a PMC to the Apache Attic if their vote to dissolve the PMC fails due to insufficient votes?","Lack of sufficient votes to dissolve."
"What action should a PMC take if it decides to dissolve and move into the Attic but cannot get enough votes, and there are less than three dissenting votes?","Inform the board that the vote failed to get enough votes."
"What year did Apache Falcon move into the Attic?","June 2019"
"What was Apache Falcon designed for in the context of Hadoop environments?","Data motion, coordination of data pipelines, lifecycle management, and data discovery in Hadoop environments."
"What key functionality in the dmlc-core library is used to allow logical slicing of packed data into arbitrary partitions, independent of the number of physical data files?","InputSplit"
"What is the role of PrefetcherIter in handling exceptions for iterators in Apache MXNet version 1.9.1?","PrefetcherIter spawns a producer thread that prefetches data, and if an exception occurs in this thread, it is transported to the main thread and rethrown during calls to `Next` or `BeforeFirst`."
"How does the symbolic programming model handle memory optimization differently from the imperative programming model during forward passes in neural networks?","Symbolic programming can optimize memory by allowing the system to free and share memory between inputs and outputs during forward passes, since the computation boundaries are clearly defined. This means only two copies of temporal space are needed for intermediate layer values. In contrast, imperative programming must be prepared for all demands, keeping all intermediate values and requiring more memory."
"What must be considered when handling exceptions thrown by spawned threads in Apache MXNet version 1.9.1?","Exceptions thrown by spawned threads in Apache MXNet 1.9.1 must be caught and transported to the main thread, where they are rethrown and handled."
"What advantage does symbolic programming offer when saving and loading model configurations compared to imperative programming?","Symbolic programming allows direct serialization and loading of the computation graph, facilitating easier saving and loading of model configurations without requiring an additional configuration layer."
"What was Apache DirectMemory used for in the Java Virtual Machine before moving to the Apache Attic?","Off-heap cache for the Java Virtual Machine."
"What paradigm was Apache Hama based on for Big Data analytics?","Bulk Synchronous Parallel"
"Which programming library included in the reference was revived in June 2018?","XMLBeans"
"What project related to off-heap caching in Java was moved to the Apache Attic in July 2015?","DirectMemory"
"What unique capability did Sandesha2/C provide to Web services hosted using Axis2/C?","Reliable messaging capability."
"What happened to Sandesha2/C in September 2014?","Moved into the Attic."
"What was the primary function of Apache Lenya before it moved into the Apache Attic?","Content Management System"
"What is the status of the Jakarta Regexp project as of April 2011?","Retired in April 2011."
"What configuration change in the `config.mk` file is required to enable S3 integration when building MXNet from source?","USE_S3=1"
"Which Jakarta project was retired with no new features or releases planned as of April 2011?","Jakarta Regexp"
"What environment variables must be set for MXNet to authenticate and access data from AWS S3?","AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY"
"What is the default effect on memory usage and computation speed when MXNET_BACKWARD_DO_MIRROR is set to 1 in Apache MXNet?","Decreases memory usage but slightly reduces computation speed."
"What specific size must an array exceed for MXNet to partition it across all servers in kvstore, based on its type, when using tree reduction?","10000000"
"What is the key identifier for Naveen Swamy's code signing key created on August 14, 2017?","AA3EBCC3E65A768AE3D2A64B8EF47B8720E8C549"
"Which individual's PGP key has the user ID ""[ultimate] Ly Nguyen (CODE SIGNING KEY)""?","Ly Nguyen"
"Which Apache project, now in the Attic, was previously known as Amber?","Oltu"
"Which Apache project in the Attic is associated with developing a framework for web applications and services originally under the name Beehive?","Beehive"
"Which Apache project that was moved to the Attic in September 2019 was used for real-time analytics and ETL processing?","Apache Apex"
"What programming language are Jakarta ORO's text-processing classes compatible with?","Java"
"What is the expiration date of Leonard Lausen's signing key fingerprint 126F 8E1A 1220 4B31 D88B 0381 5CC8 0E02 0B26 CA03?","2021-07-19"
"Whose signing key is associated with the fingerprint 61C9B12002DA9BA1A44D02683A9F7FE20D4D3DEA?","Zhenghui Jin"
"What is the latest version of Apache MXNet mentioned in the provided documentation as of 2022?","1.9.1"
"What is the licensing model under which Apache MXNet is distributed?","Apache License, Version 2.0"
"What programming language does Apache MXNet support to enable seamless tensor/matrix computation with multiple GPUs as of version 1.9.1?","Scala"
"Which retired deep learning library supports tensor and matrix computations in Scala, including image classification, as stated for version 1.9.1?","MXNet"
"Which project listed in the reference document was revived in June 2018?","XMLBeans"
"Which project was previously known as Amber?","Oltu"
"What is the minimum version of R required to build MXNet from source according to the reference document?","v3.4.4+"
"What was the specific mission of Apache Bahir before it moved into the Apache Attic?","Provide extensions to distributed analytic platforms such as Apache Spark."
"Which incubating project is described as a command-line tool for detecting statistically significant changes in time-series data?","Otava"
"What project was identified as the natural successor to Apache HiveMind?","Tapestry IoC"
"What key attribute is shared by all leaders within the Apache Software Foundation according to the governance structure described?","Volunteers"
"Which Apache project listed has its features referred to as an Inversion of Control (IoC) Container or Lightweight Container?","HiveMind"
"What type of organization is the Apache Software Foundation, and how is it primarily funded?","The Apache Software Foundation is a U.S. 501(c)(3) charitable organization primarily funded by individual donations and corporate sponsors."
"Which Apache project in the list was revived in June 2018?","XMLBeans"
"Which Apache project listed was previously known as Amber?","Oltu"
"What is the Jira issue number associated with the problem ""Memory leak from R optimizers""?","MXNET-563"
"What is the key ID associated with Anirudh Subramanian's CODE SIGNING KEY?","AF55CD6D"
"What is the UID for the public key belonging to Sheng Zha issued on 2018-08-23?","[ultimate] Sheng Zha (szha) <zhasheng@apache.org>"
"Which Apache project is designed specifically for managing geospatial data and offers easy-to-use APIs for spatial data scientists?","Sedona"
"Which Apache project provides a unified remote shuffle service?","Uniffle"
"Name a project that was moved into the Apache Attic in June 2022 and provided management of semantically linked data.","Clerezza"
"Under what conditions does NNPACK support max-pooling operations in MXNet?","max-pooling and kernel=(2,2) and stride=(2,2) and pooling_convention=full"
"Which search engine library for dynamic programming languages entered the Apache Attic in June 2018?","Apache Lucy"
"What is the programming language for which Apache Lucy provides a ""loose C"" port of the Apache Lucene search engine library?","C"
"Which Apache project, formerly known as Amber, is listed as being in the Attic?","Oltu"
"How does gradient compression benefit neural networks with significant fully connected components in distributed training?","Gradient compression reduces communication costs, speeding up training, particularly in networks with large fully connected components like AlexNet and VGG."
"Which organization is responsible for sponsoring the incubation of Apache MXNet?","Apache Incubator"
"What year did Apache Deltacloud move into the Attic?","July 2015"
"What feature was introduced in MXNet 1.0.0 to enhance performance with imperative mode?","Bulk execution with imperative mode"
"Which Apache project listed is described as providing a cloud abstraction API for connecting to cloud providers?","Deltacloud"
"What version of the Apache MXNet library for R is specifically noted in the document as supporting efficient GPU computing and cutting-edge deep learning?","1.9.1"
"For which programming language does MXNet version 1.9.1 provide seamless tensor or matrix computation with multiple GPUs?","R"
"What is the retention time for log file data collected when visiting websites managed by The Apache Software Foundation?","90 days"
"What is the legal basis for the processing of personal data collected through log files when visiting websites managed by The Apache Software Foundation?","Art. 6 para. 1 p. 1 lit. f GDPR (legitimate interest)."
"Which project listed under the Apache Attic had a previous name ""Amber""?","Oltu"
"Which Apache project, archived in January 2013, implemented Java-based specifications such as WS-ResourceFramework and WS-BaseNotification?","WS Muse"
"Which projects in the Apache Attic have names that start with the letter ""B""?","Bahir  
Beehive  
Bloodhound  
Buildr"
"What parameter should be added to the `im2rec` command to support four labels for a single image, and how does this affect the iterator generation code according to Apache MXNet 1.9.1?","label_width=4"
"What resources of Apache WS Muse remain accessible but in a read-only format after its move to the Attic?","User mailing list, downloads, issue tracker"
"What tool must be used if you need to generate an image list file automatically with the Python API, according to Apache MXNet 1.9.1?","im2rec.py"
"What is the effect of increasing batch size on the performance of Alexnet when training with a V100 GPU using MXNet version 1.9.1?","Increasing the batch size for Alexnet on a V100 GPU using MXNet 1.9.1 initially increases performance but may lead to out-of-memory (OOM) errors at larger sizes."
"What is a critical consideration when using multiple GPUs with MXNet to ensure optimal performance, according to version 1.9.1?","Using the proper type of `kvstore`."
"What is an advantage of using smaller operations to compose larger operations in deep learning libraries?","Flexibility."
"What does MXNet require to enable distributed training using the KVStore system?","USE_DIST_KVSTORE=1"
"What is the role of the scheduler process in distributed training using MXNet?","To set up the cluster by organizing communication among nodes."
"What month and year did Apache Oozie move into the Apache Attic?","February 2025"
"What is the primary function of Apache Oozie in relation to Apache Hadoop?","Workflow scheduler for Apache Hadoop."
"What feature was introduced in MXNet version 1.3.1 to ensure consistency in neural network layers?","Deterministic algorithm enforcement for convolutional layers."
"What tutorial resource is advertised for learning to use the Gluon interface in Apache MXNet 1.3.1?","A 60-minute Gluon Crash Course"
"What is the purpose of using amalgamation in the context of porting a deep learning library like Apache MXNet to smart devices?","Simplifying the porting process by compiling the library into a single source file with minimal dependencies."
"What major dependency is removed in the minimal version of the amalgamated Apache MXNet library for smart devices?","BLAS"
"What is the main programming paradigm explored by Apache Polygene?","Composite Oriented Programming"
"Which project moved into the Apache Attic in December 2018?","Apache Polygene"
"What was the primary focus of the Apache Onami project before it moved to the Apache Attic?","Development and maintenance of a set of Google Guice extensions."
"What is the web address for the downloads section of Apache Onami, which was moved to the Apache Attic in January 2016?","https://archive.apache.org/dist/onami/"
"What does the `dist_async` option do in MXNet's distributed training, and what is its key characteristic regarding weight updates?","Asynchronous updates; weight updates occur whenever gradients are received, and the order is not guaranteed."
"What is the purpose of GluonTS in the context of Apache MXNet's ecosystem?","Probabilistic time series modeling with deep learning-based models."
"What is the required signature for a post-forward hook in Apache MXNet when monitoring a neural network block's output?","hook(block, input, output) -> None"
"What is the significance of the `register_op_hook` method in monitoring a HybridBlock in Apache MXNet version 2 and later, especially when the `monitor_all` parameter is set to `True`?","`register_op_hook` in Apache MXNet version 2 and later, when `monitor_all` is set to `True`, is significant for monitoring all operators called by a `HybridBlock` after hybridization, allowing inspection of tensors and their associated operators during execution."
"What specific Apache project, mentioned in the document, was designed for data motion and lifecycle management in Hadoop and moved into the Attic in June 2019?","Falcon"
"Which Apache project mentioned in the document was previously known as Amber?","Oltu"
"What mechanism is described for handling exceptions thrown by spawned threads in Apache MXNet version 1.9.1?","Exceptions thrown by spawned threads are caught and transported to the main thread, where they are rethrown."
"What limitation occurs in the PrefetcherIter producer thread during the prefetching phase in Apache MXNet version 1.9.1?","The exception is thrown in the spawned producer thread during the prefetching when the label is not found corresponding to a specific sample."
"What environment variables need to be set for MXNet to authenticate with AWS S3 during data training in version 1.9.1?","AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY"
"What specific steps are required to enable S3 integration when building MXNet from source?","1. Install `libcurl4-openssl-dev` and `libssl-dev`.
2. Append `USE_S3=1` to `config.mk`."
"What is one advantage of using the explicit backward path approach for gradient calculation in deep learning libraries?","Memory optimization."
"What is a potential trap of implementing in-place optimization in memory allocation for neural networks?","In-place optimization may mistakenly overwrite a value still needed for other computations."
"What is the process for proposing a new feature for Apache MXNet, including where to open an issue?","Open an issue in MXNet’s JIRA."
"Which platform is used for tracking issues and improvements for Apache MXNet, specifically for proposing new features or improvements?","JIRA"
"What happens to a project's resources when it is moved to the Apache Attic?","Read-only state."
"What is required for a PMC to successfully vote to move a project to the Apache Attic?","Conduct a PMC vote on the public dev list and inform the board of a successful vote on the board@ mailing list."
"What is the email address associated with the PGP public key block for Sheng Zha?","zhasheng@apache.org"
"What is the key creation date for Anirudh Subramanian's code signing key?","2018-05-15"
"What is the recommended action to potentially reduce communication costs when using multiple GPUs with MXNet?","Increase the batch size."
"How can memory allocation optimization improve the performance of computation graphs that support small operations in deep learning libraries?","Memory allocation optimization can improve performance by reusing memory for intermediate computations, reducing overhead and enhancing execution efficiency in computation graphs that support small operations."
"What is a primary advantage of using the MXNet R package for deep learning in R?","Efficient GPU computing and tensor/matrix computation in R."
"What is the primary version number of the MXNet R API referenced in the document?","1.9.1"
"What is the previous name of the Apache project Oltu?","Amber"
"Which Apache project, revived in June 2018, focuses on XML processing?","XMLBeans"
"Which Apache project, focusing on Composite Oriented Programming for domain-centric application development, moved into the Attic in December 2018?","Apache Polygene"
"What parameter must be added to an `im2rec` command to handle multiple labels for a single image in Apache MXNet version 1.9.1?","label_width=4"
"What tool supports generating an image list automatically but only via the Python API?","im2rec.py"
"What are the operating system limitations of using NNPACK with MXNet for neural network acceleration?","Linux and OS X only; Windows not supported."
"Under what condition will MXNet automatically revert to default implementations rather than utilizing NNPACK for neural network computations?","When favorable conditions for running NNPACK are not met."
"Which Apache project related to Java/XML content management moved to the Apache Attic in April 2015?","Lenya"
"What project is associated with the URL https://attic.apache.org/projects/lenya.html?","Apache Lenya"
"What is the first step a Project Management Committee must take when deciding to move to the Apache Attic?","Conduct a discussion on the public developer list."
"What step must the Apache Attic PMC take if a Board resolution approves moving a project into the Attic?","Open an Attic JIRA item - 'Move ${project} to the Attic'."
"How many threads are recommended when using NNPACK with MXNet for optimal performance, according to version 1.9.1?","4~8 threads"
"What should you do to subscribe to the MXNet Apache USER mailing list?","Send an email to user-subscribe@mxnet.apache.org."
"What was the primary reason for retiring the Jakarta ECS project in September 2010?","Lack of development community."
"What was the primary reason for the retirement of the Jakarta ECS project in September 2010?","Lack of development community."
"Which Apache project has previously been known as Amber?","Oltu"
"What argument in `sym.CaffeLoss` must be explicitly provided to handle label data in Apache MXNet version 1.9.1?","label"
"What command parameter should be used in Apache MXNet's `im2rec` tool for specifying the number of labels per image when configuring the image list input?","label_width"
"What was the primary mission of Apache Metron before it moved to the Attic?","Real-time big data security."
"What is the default value for the number of threads given to prioritized CPU jobs in MXNet?","4"
"Which Apache project is associated with the website bahir.apache.org?","Bahir"
"What type of regular expressions did Jakarta ORO provide compatibility with?","Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions."
"What is the public variable or function defined in the namespace `org.apache.clojure-mxnet.base` for MXNet 1.9.1-SNAPSHOT?","MX_REAL_TYPE"
"What newer Java version feature is recommended for users of Jakarta Regexp?","java.util.regex"
"What command should be added after computing with a model to enforce synchronization of operations in Apache MXNet?","mx.nd.waitall()"
"What method does MXNet use to transfer custom optimizer code to server nodes during distributed training, and what is the security risk associated with it?","Pickle file; risk of executing unvalidated code."
"What environment variables must be set to use MXNet with Amazon S3?","AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY"
"Which MXNET issue involves fixing a gradient number and documenting the box_iou operator?","MXNET-403"
"What is the primary focus of Apache MXNet's current efforts within the Python API and which API does it concentrate on?","Gluon API"
"What is a primary condition that makes an Apache project a candidate for moving to the Attic?","No active committers."
"Which operation would you use to compute the element-wise square root of an array?","sqrt"
"Who is associated with the PGP public key that expires on 2021-08-15?","Sandeep Krishnamurthy"
"What are the conditions under which you must ensure that an OprHandle has finished computing before making certain API calls in MXNet?","Ensure the operator has finished computing before calling `DeleteOperator(OprHandle op)`."
"Which toolkit in the Apache MXNet ecosystem is specifically designed for probabilistic time series modeling and focuses on deep learning-based models?","GluonTS"
"What is the focus of the current efforts around the Python API in Apache MXNet version 1.9.1?","Gluon API."
"Which Apache project, moved to the Attic in November 2021, aimed to provide statistical and other forms of machine translation?","Joshua"
"What custom error type is `MXNetError` inherited from in Apache MXNet v1.7?","RuntimeError"
"What is a key strength of MXNet when training large LSTM models with multiple GPUs?","Model parallelism."
"What condition must be met for a person to receive mailing list messages from The Apache Software Foundation?","Valid email address and registration for the mailing list."
"What organization sponsors Apache MXNet during its incubation at The Apache Software Foundation?","Apache Incubator"
"What is the URL for accessing the limited additional information on Apache Axis Savan/Java?","http://axis.apache.org/axis2/java/savan"
"What function in the Clojure NDArray API is used to convert data into a raw format?","->raw"
"Which Apache project mentioned is associated with the process of archiving and is listed among the projects in the Apache Attic?","Archiva"
"Which Apache project mentioned in the document was closed down in 2004, prior to the creation of the Apache Attic?","Avalon"
"What is the primary mission of Apache Chemistry as it relates to software creation and maintenance?","Creation and maintenance of software related to CMIS (Content Management Interoperability Services) Clients and Servers."
"What is the mission of Apache jUDDI?","Java implementation of the Universal Description, Discovery, and Integration specification."
"What command updates third-party git submodules after a rebase in Apache MXNet?","git submodule update --recursive"
"What environment variable specifies the role of each process as 'server,' 'worker,' or 'scheduler' and requires there to be only one scheduler in Apache MXNet version 1.9.1?","DMLC_ROLE"
"What are the two sparse formats mentioned for NDArray in Apache MXNet?","CSRNDArray, RowSparseNDArray"
"What was the primary function of Apache Harmony before it was retired in November 2011?","Modular Java runtime with class libraries and associated tools."
"What assumption does the MXNet framework make about the environment in which its entities operate during model training and inferencing?","MXNet assumes that entities involved in model training and inferencing are fully trusted and their communications cannot be eavesdropped or tampered with."
"Which Apache project provides a platform specifically designed for atomic upserts and incremental data streams on Big Data?","Hudi"
"What must be enabled in the make/config.mk file to build the MXNet C++ Package in version 1.9.1?","USE_CPP_PACKAGE = 1"
"What is the only group authorized to allocate CVE IDs for Apache project issues?","Apache Security Team"
"What specific package is recommended for training and inference using Intel Xeon CPUs in Apache MXNet version 1.9.1?","mxnet-mkl"
"Which Apache project, associated with microsharing and micromessaging, moved into the Apache Attic in July 2013?","ESME"
"What feature related to Apple technology was introduced in MXNet version 0.11.0?","Apple Core ML model converter"
"What toolkit in the Apache MXNet ecosystem is specifically designed for probabilistic time series modeling?","GluonTS"
"What is a key consideration when deploying a deep learning model on mobile devices regarding computational power?","Computational efficiency"
"What was the primary mission of Apache jUDDI before it moved into the Attic?","Java implementation of the Universal Description, Discovery, and Integration specification."
"What retired project is described as an open source deep learning framework for flexible research prototyping and production with a hybrid front-end?","Apache MXNet"
"What supports both Gluon eager imperative mode and symbolic mode in Apache MXNet?","Hybrid front-end"
"Which Apache project moved into the Attic in November 2020 and was designed for identifying security and performance issues on big data platforms?","Apache Eagle"
"What package is recommended for training and inference on Intel Xeon CPUs to improve MXNet performance?","mxnet-mkl"
"What is the expiration date of the PGP subkey associated with Sandeep Krishnamurthy?","2021-08-15"
"What standard did Apache ODE execute business processes following before it moved into the Apache Attic?","WS-BPEL"
"What standard did Apache ODE use to execute business processes?","WS-BPEL"
"Which project related to a Build Artifact Repository Manager moved into the Apache Attic in February 2024?","Apache Archiva"
"What type of library was Apache Mnemonic designed as, according to its description in relation to Big data, High-performance computing, and Analytics?","Transparent nonvolatile hybrid memory oriented library."
"What is the latest stable version of Apache MXNet mentioned in the document?","1.9.1"
"What structure should be defined to pass convolution parameters like kernel size, stride size, and padding size to an operator in MXNet?","ConvolutionParam"
"Who is the holder of the PGP public key with the ID 79B0F222?","Tao Lv"
"What is the final validation accuracy after training the model using Apache MXNet?","0.955100"
"Which Apache project, moved to the Attic in July 2013, was a scalable microsharing platform designed for secure enterprise social messaging?","ESME"
"What does the incubation status of Apache MXNet at The Apache Software Foundation imply about its endorsement?","It is not yet fully endorsed by the ASF."
"Which project listed was a C implementation of the WS-Eventing specification?","Axis Savan/C"
"What was the primary function of Apache HAWQ within the Hadoop ecosystem?","Hadoop native SQL query engine."
"What does the incubation status of Apache MXNet indicate about its endorsement by the Apache Software Foundation?","The project has yet to be fully endorsed by the ASF."
"What feature in Apache MXNet allows for a smooth transition from Python training to deployment in multiple languages, and what is a key advantage of this feature?","Hybrid Front-End; exportability to multiple language bindings."
"What command is used to update third-party Git submodules recursively after rebasing in Apache MXNet?","git submodule update --recursive"
"Which Jakarta Taglib version requires at least version 2.0?","Mailer 2"
"Which Apache project was an issue tracking, wiki, and repository browser but moved into the Attic in July 2024?","Bloodhound"
"Which event related to community and code is scheduled for North America in 2025?","Events!Community Over Code North America 2025"
"What function in the org.apache.clojure-mxnet.ndarray API is used for computing batch-wise dot products?","batch-dot"
"What tool can be used to generate the content for an Infrastructure JIRA issue to manage the resources of a retired Apache project?","infrajiratext.py"
"How does the `CreateOperator` function in the `ConvolutionOpProperty` class facilitate the creation of a convolution operator in MXNet?","The `CreateOperator` function in the `ConvolutionOpProperty` class creates a convolution operator by instantiating a new `ConvolutionOp` object using the parameters stored in `param_`."
"In what year did Apache Marmotta move into the Apache Attic?","2020"
"What are the requirements for a company to legally sponsor the Apache Software Foundation?","- Be a business legal to operate in the U.S. and any ASF state of nexus.
- Demonstrably committed to open source software and ASF's mission."
"Which Apache project, related to machine learning, was moved to the Attic in September 2020?","PredictionIO"
"What toolkit provides state-of-the-art computer vision models and supports object detection and pose estimation in Apache MXNet version 1.9.1?","GluonCV"
"Which project under the Apache Software Foundation was revived in June 2018?","XMLBeans"
"What was the mission of Apache Joshua before it moved to the Attic?","To provide statistical and other forms of machine translation."
"Which Apache project provides an indexed columnar data format for fast analytics on big data platforms?","CarbonData"
"Who is the signer associated with the PGP key block that includes the identifier F8F33A117CC18E95?","Anirudh Subramanian"
"What is the recommended range of threads to use with NNPACK for optimal performance when benchmarking on MXNet?","4-8 threads"
"Which Apache project moved into the Attic in February 2020 and was used for generating aggregated multi-channel documentation?","Forrest"
"What programming language is used for implementing the OAuth protocol in Apache Oltu?","Java"
"What is the main focus of Apache Chemistry, and when was it moved to the Apache Attic?","Content Management Interoperability Services (CMIS); 2022-02"
"How does MXNet's execution engine ensure serialization when functions modify a common variable?","The execution of any two functions that modify a common variable is serialized in their push order."
"What functionality did Apache Falcon provide for Hadoop users before it moved into the Apache Attic?","Data motion, coordination of data pipelines, lifecycle management, and data discovery."
"Which project listed was revived in June 2018?","XMLBeans"
"Which project, suggested as a replacement for Beehive's NetUI/Page Flow component, is built on Struts 2 or Spring Web Flow?","Shale"
"Which Apache project, that moved into the Attic in July 2024, was designed to develop an issue tracking, wiki, and repository browser?","Bloodhound"
"In which year did Apache Open Climate Workbench move into the Apache Attic?","2020"
"What is the primary entry path into The Apache Software Foundation for projects and their communities wishing to join?","Apache Incubator"
"What is the status of Apache Giraph as of September 2023?","Apache Giraph moved into the Attic in September 2023."
"What is the purpose of the `mx.viz.plot_network` function in MXNet?","Visualizing neural networks as computation graphs."
"Which project in the list was revived in June 2018?","XMLBeans"
"Which project was previously known as ""Amber""?","Oltu"
"Which operation from Apache MXNet is used to apply a leaky version of the rectified linear unit function?","leaky-re-lu"
"Which project listed in the Apache Attic was a JEE web application framework that moved into the Attic in May 2014?","Click"
"Which project from the Apache Software Foundation was retired in December 2011 after all of its subprojects became independent or were retired?","Jakarta"
"What effect does setting the MXNET_ENFORCE_DETERMINISM variable to true have on the choice of CUDNN convolution algorithms?","It forces the use of deterministic algorithms, affecting the choice of CUDNN convolution algorithms."
"Which Apache project moved into the Attic in July 2022, and aimed to create a simple build system for Java applications?","Apache Buildr"
"What is the only group that can allocate CVE IDs to Apache Software Foundation project issues?","Apache Security Team"
"Which function from the Apache Clojure MXNet ndarray API is marked as experimental?","-copy"
"What is the primary advantage of using the Gluon API over the Module API in Apache MXNet version 1.9.1?","Flexibility and ease of debugging."
"What parameter in Apache MXNet's version 1.9.1 is specifically related to computing the correlation within data?","CorrelationParam"
"What is the latest version of Apache MXNet mentioned in the document before its retirement?","1.9.1"
"What is the advantage of storing images in RecordIO format when using MXNet?","Reduced dataset size and continuous disk reading."
"Which Apache project, archived in January 2016, was primarily a web and social mashup engine for internet and intranet portals?","Rave"
"What standard implementations are suggested as alternatives to Apache ObJectRelationalBridge for object/relational mapping?","Apache Cayenne, Apache Empire-db, Apache OpenJPA, Apache Torque"
"Which programming language is used in the LGPL 3.0 licensed project that parses YAML-based device data, similar to DeviceMap?","PHP"
"What type of framework was Apache Gora, and which technologies did it primarily focus on?","ORM framework; focused on column stores like Apache HBase and Apache Cassandra, and Hadoop."
"What is the required minimum annual donation to obtain Silver level sponsorship with the Apache Software Foundation?","US$25k /year"
"What was the mission of Apache Cocoon?","Web development framework: separation of concerns, component-based."
"What feature of Apache MXNet enables both flexibility and speed by transitioning between imperative and symbolic modes?","Hybrid Front-End"
"What is a key advantage of storing images using RecordIO format for datasets in Apache MXNet 1.9.1?","Packing data together allows continuous reading on the disk."
"What additional installation step is required for AArch64 platforms using MXNet 1.7.0 with oneDNN?","Manually install Arm Performance Libraries (APL)."
"What is one project listed as having moved into the Apache Attic in December 2016?","DeviceMap"
"What is the natural successor to Apache iBATIS?","MyBatis"
"Which function in the Apache Clojure MXNet ndarray random API is used to generate samples from an exponential distribution?","exponential"
"Which function listed can be used for normalizing input-features at the instance level?","instance-norm"
"Which environment variable can be set to specify a particular network interface for data communication in MXNet version 1.9.1?","DMLC_INTERFACE"
"What is the annual flagship conference offered by the Apache Software Foundation that emphasizes educational, networking, and collaboration opportunities?","Community Over Code"
"What MXNet environment variable controls whether computation graphs are simplified by eliminating duplicated operations, and what is its default value?","MXNET_ELIMINATE_COMMON_EXPR, default value: 1"
"Which function in the MXNet C API is responsible for copying data from a non-MXNet ndarray into an MXNet ndarray?","MXNDArraySyncCopyFromCPU"
"Which function in the `org.apache.clojure-mxnet.infer` namespace is designed to handle conversion of image files into pixel data for inference tasks?","buffered-image-to-pixels"
"Which project, founded in 1999 and retired in December 2011, housed a diverse set of popular open source Java solutions?","Jakarta"
"What are the two primary high-level packages provided by Apache MXNet's Python API, and which one is recommended for new users?","Gluon API and Module API; Gluon API is recommended for new users."
"What status does the issue tracker for Apache Labs currently hold since its move to the Attic?","Read-only"
"Which Apache MXNet component focuses specifically on probabilistic time series modeling using deep learning-based models?","GluonTS"
"What type of cache was Apache DirectMemory designed for in the Java Virtual Machine?","Off-heap cache"
"What is the method used in the Apache MXNet 1.9.1 architecture to enable scalar inputs for operations in `EnvArguments` during the registration process?","set_enable_scalar(true)"
"What dependency should be added to a project file for installing the Clojure package for MXNet version 1.9.1-SNAPSHOT?","[org.apache.mxnet.contrib.clojure/clojure-mxnet ""1.9.1-SNAPSHOT""]"
"Why are symbolic programs generally more efficient than imperative programs in terms of memory usage?","Symbolic programs can reuse memory for intermediate computations and optimize operations (e.g., operation folding), reducing memory usage compared to imperative programs."
"What type of key is associated with Wei Chu for code signing according to the Apache documentation?","rsa4096"
"What version of the GNU Compiler Collection (G++) is recommended for compiling MXNet from source on Raspbian?","G++ 4.8 or later (use gcc 4, not 5 or 6)"
"What process should you follow for proposing non-trivial new features in Apache MXNet according to the reference guidelines?","1. Review contribution standards.
2. Create a JIRA issue.
3. Create a GitHub PR with the JIRA issue ID in the title."
"What is the minimum percentage of ownership required to meet the definition of ""control"" under the Apache License, Version 2.0?","Fifty percent (50%) or more."
"What does setting the MXNET_CUDA_TENSOR_OP_MATH_ALLOW_CONVERSION variable to '1' enable in CUDA operations, and what prerequisite setting is required for it to take effect?","Implicit type conversions to Float16 for Tensor Core use; requires `MXNET_CUDA_ALLOW_TENSOR_CORE=1`."
"Which function is used in Apache MXNet to encode categorical variables into one-hot numeric arrays for the current version?","onehot-encode"
"Which Apache project moved into the Attic in May 2020 and was focused on data collection systems for monitoring large distributed systems?","Chukwa"
"What was the primary focus of Apache Etch before it moved into the Apache Attic in June 2016?","A framework for building and consuming network services."
"What is the role of the Apache Security Team in handling security vulnerabilities for Apache projects?","The Apache Security Team guides Apache projects on security issues and coordinates the handling of all security vulnerabilities."
"What is the purpose of the ASF Travel Assistance Committee?","Provides financial assistance for selected ASF events to those who would otherwise be unable to attend."
"What is a significant advantage of using AI::MXNet's Perl API in conjunction with PDL for tensor computation?","Seamless integration with PDL."
"Who is associated with the PGP public key that has the identifier BD52136E76B7BD68E7843B0B591C06669F740FD7?","Sergey Kolychev <sergeykolychev@apache.org>"
"What specific step is required in the `config.mk` file to enable S3 integration when building MXNet?","USE_S3=1"
"Which modular Java runtime was retired by The Apache Software Foundation in November 2011?","Apache Harmony"
"What was the primary mission of Apache MetaModel before it moved into the Attic?","Common interface for discovery, exploration of metadata and querying of different types of data sources."
"What is the primary mission of Apache REEF (Retainable Evaluator Execution Frameworks)?","To provide a library for developing portable applications for cluster resource managers such as Apache Hadoop YARN or Apache Mesos."
"What is the advantage of setting `MXNET_BACKWARD_DO_MIRROR` to 1 during training in MXNet?","Reduces memory usage during training by trading off computation."
"Which function from the list handles dimensional transformation by adding an extra dimension to the input data structure?","expand-dims"
"What is the advantage of allowing mutation over immutability in the context of scheduling in a generic dependency engine?","Allowing mutation mitigates resource contention issues and supports the use of preallocated static memory."
"How does memory usage compare between forward pass only execution and both forward and backward pass in deep learning models?","Memory usage for forward pass only execution is much lower compared to running both forward and backward passes."
"Which project mentioned in the document moved to the Apache Attic in June 2016 and was known for being a cross-platform framework for network services?","Etch"
"What occurs when a synchronizing call is made to a variable in the dependency chain in Apache MXNet version 1.9.1?","The propagated exception is rethrown."
"What programming languages are deeply integrated into Apache MXNet?","Python, Scala, Julia, Clojure, Java, C++, R, Perl"
"What does the MXNet 0.12.1 release specifically add support for regarding GPU functionality?","syevd operator"
"Under what conditions does the NNPACK acceleration package operate optimally with MXNet's convolution operation on Linux or OS X systems?","2D convolution, no-bias=False, dilate=(1,1), num_group=1, batch-size = 1 or batch-size > 1 and stride = (1,1)."
"What is the primary purpose of the PGP keys listed for the developers in the context of the Apache Software Foundation?","Code signing."
"What is a key security risk associated with using `kvstore.set_optimizer` in MXNet version 1.9.1?","Using `kvstore.set_optimizer` can execute untrusted pickle files, leading to code execution vulnerabilities."
"What is the retired version of Apache MXNet mentioned in the reference, and where can more details about its retirement be found?","Apache MXNet. For details please refer to its Attic page."
"How does the InputSplit functionality in dmlc-core support data parallelism in distributed machine learning when dealing with binary RecordIO format in Apache MXNet?","InputSplit in dmlc-core allows data to be logically partitioned into arbitrary numbers of splits, independent of the physical file count, by locating records using a magic number. This facilitates data parallelism by distributing the loading of data across different processes or machines, so each process handles only a part of the dataset."
"What is the retention time for log file data collected during website visits according to the Apache Software Foundation's privacy policy?","90 days."
"How does the dependency engine ensure that operations reading from a variable can be run in parallel without conflict?","The dependency engine ensures operations reading from a variable can run in parallel without conflict by allowing read actions to occur simultaneously, as they do not alter the variable's state, thus avoiding conflicts."
"What was the primary focus of the Apache Quetzalcoatl project before it moved into the Apache Attic in June 2010?","Open-source software related to mod_python and the Python programming language."
"What is the purpose of the Apache Incubator program as described by the Apache Software Foundation?","To provide services to new projects that want to enter the ASF."
"What is the purpose of Apache Mnemonic as described in the reference?","Transparent nonvolatile hybrid memory oriented library for Big Data, High-performance computing, and Analytics."
"How should CUDA, CUDNN, and NCCL versions be managed to ensure compatibility when installing MXNet via pip?","Ensure your installed CUDA version matches the CUDA version in the MXNet pip package. Install cuDNN and NCCL if applicable, starting from MXNet version 1.8.0."
"How does the use of gradient compression impact training speed on models with large fully connected components like VGG and what is the expected speedup according to the specified MXNet version?","2x speedup"
"What is a security vulnerability when using `kvstore.set_optimizer` in MXNet 1.9.1?","The use of a custom optimizer via `kvstore.set_optimizer` in MXNet 1.9.1 can pose a security vulnerability as the optimizer code is sent to server nodes as a pickle file without validation, allowing execution of potentially malicious code."
"What action is recommended to track tasks and prioritize issues when contributing to Apache MXNet?","Create a JIRA account."
"What is the minimum donation level required for a sponsor to have their logo placed in a three-column row on the ASF Thanks page?","US$50k /year"
"What is the type of issue classified as MXNET-677 on the Apache MXNet JIRA page?","Bug"
"What is the role of the scheduler in distributed training with MXNet?","The scheduler's role is to set up the cluster by coordinating communication between nodes, ensuring all nodes are aware of each other."
"What design concepts does Apache MXNet focus on that require trade-offs between efficiency and flexibility?","Abstraction, optimization, and trade-offs between efficiency and flexibility."
"What function in the Apache Clojure MXNet ndarray API is used to check if all elements are finite?","all-finite"
"What function name is used for transforming a floating-point number into the nearest integer in the list of available operations?","rint"
"Which function is specifically designed to handle the element-wise division of arrays in the reference list?","elemwise-div"
"What is the default type of memory pool used for GPU memory management in MXNet?","Naive"
"What project within the Apache Software Foundation's Attic moved from its original status in January 2010 and was built on J2EE and Struts with reduced code requirements through annotations?","Apache Beehive"
"What is the status of Apache MXNet as a project within the Apache Software Foundation?","Apache MXNet has retired."
"Which Apache project mentioned was moved to the Attic in August 2020 and functioned as a unified analytics platform?","Apache Lens"
"What is the key identifier for the PGP public key associated with Serge Panev's code signing key?","9342E8358B37F579"
"What feature of MXNet allows seamless transitions between imperative and symbolic modes for flexibility and speed in deep learning models?","Hybrid Front-End"
"What is the significance of the `OpReqType` parameter in the context of defining a `UnaryFunction` for smooth L1 loss using mshadow in Apache MXNet?","It specifies how the computation results are written into the output tensor (`TBlob`), indicating operations like no operation, writing, writing in-place, or adding to the existing data."
"What feature was added to GPU support in MXNet version 0.12.1?","Added GPU support for the syevd operator."
"What was Apache Marmotta's primary function before it moved to the Attic?","Open Platform for Linked Data."
"Which version of Apache MXNet introduced maximum CPU core utilization by default?","1.0.0"
"What was the primary purpose of the Apache Abdera project?","Implementation of the IETF Atom Syndication Format and Atom Publishing Protocol."
"What is the software distribution framework that allows central management and distribution of software components using OSGi, which moved into the Apache Attic in December 2017?","Apache ACE"
"Which project hosted by Apache was specifically designed for unit testing server-side Java code and was retired in August 2011?","Jakarta Cactus"
"What assumption does the MXNet framework make regarding the security of its entities during model training and inferencing?","MXNet assumes its entities are fully trusted and their communications cannot be eavesdropped or tampered with."
"Which function is used in MXNet profiling to ensure all asynchronous operations complete before proceeding, and what is its primary context of use?","`mx.nd.waitall`"
"What is the issue number associated with uncaught exceptions when calling `symbol/nd.smooth_l1` without a scalar in Apache MXNet Jira?","MXNET-170"
"What pip package should you install to use MXNet optimized for Intel hardware starting from version 1.6.0?","mxnet-mkl==1.6.0"
"What are the three key areas of design concepts focused on in the architecture of Apache MXNet for version 1.9.1?","Abstraction, optimization, trade-offs between efficiency and flexibility."
"What is a concern regarding licenses for MXNet PyPI packages built with CUDA components?","The packages might contain software components with more restrictive licenses than the Apache License, including proprietary Nvidia CUDA SDK parts and GPL GCC Runtime Library components."
"Which deep learning library mentioned uses Apache MXNet to implement state-of-the-art encoder-decoder architectures for neural machine translation?","Sockeye"
"What form of translation was the primary focus of Apache Joshua before it moved to the Apache Attic?","Statistical machine translation."
"What are the three main areas of focus in the design concepts of Apache MXNet's deep learning system architecture?","Abstraction, optimization, trade-offs between efficiency and flexibility."
"What technology forms the basis for Apache ACE's deployment in different topologies?","OSGi"
"What is the licensing model for projects under The Apache Software Foundation according to the reference document?","Apache License, Version 2.0"
"What capability did Apache Axis Savan/Java add to Web services hosted using Axis2/Java?","WS-Eventing capability."
"What is the Apache project focused on Content Management Interoperability Services that moved to the Attic in February 2022?","Apache Chemistry"
"What MXNet component has been deprecated but still has documentation available for reference?","MXNet Symbol API"
"What environment variables must be set to use MXNet with Amazon S3 for data hosting?","AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY"
"What is the process for handling a reported vulnerability in an Apache project?","Report the vulnerability privately to Apache, collaborate with the project's security team for resolution, create a new release to fix the issue, and publicly announce the vulnerability and its fix."
"What is the default value for the environment variable `MXNET_KVSTORE_REDUCTION_NTHREADS` in Apache MXNet 1.9.1?","4"
"Which Apache project provides a toolkit for marshalling POJOs to various content types and creating REST interfaces with minimal code?","Juneau"
"Which event scheduled by Apache is mentioned as happening in North America in 2025?","Community Over Code North America 2025"
"What are the prerequisites for performing mixed precision training with float16 on Nvidia GPUs?","Volta range of Nvidia GPUs, CUDA 9 or higher, cuDNN v7 or higher."
"Which Apache project, listed among those in the Apache Attic, transitioned under the name ""Oltu"" from its previous name ""Amber""?","Oltu"
"What is the Java technology that moved into the Apache Attic in December 2010, with no known natural successors or potential forks?","Apache Excalibur"
"Which Apache XML Application Server moved into the Attic in August 2009 for on-the-fly XML conversion?","AxKit"
"Which project related to Content Management Interoperability Services (CMIS) was moved into the Apache Attic in February 2022?","Apache Chemistry"
"What is the email address associated with Serge Panev's PGP public key used for code signing?","spanev@nvidia.com"
"Which version of the Apache License is Apache ODE licensed under?","Version 2.0"
"What issue number is associated with the task to install Anaconda2 on Windows build servers in the Apache MXNet project?","MXNET-61"
"What is the default and maximum value of the environment variable MXNET_OPTIMIZER_AGGREGATION_SIZE, and for which optimizer is this variable currently limited?","Default: 4, Maximum: 60, Limited to: SGD"
"Which Apache project, previously known as Amber, is now in the Attic?","Oltu"
"What was the primary purpose of Apache Mnemonic before it moved to the Attic in February 2025?","A transparent nonvolatile hybrid memory-oriented library for Big data, High-performance computing, and Analytics."
"What was the mission of Apache Pivot before it moved into the Attic in 2025?","Rich Internet applications in Java."
"What is required to visualize a neural network as a computation graph using MXNet?","Jupyter Notebook and Graphviz libraries"
"What is the name of the Apache project in the Attic that was previously known as Amber?","Oltu"
"What is the latest version of Apache MXNet mentioned as being accessible through the provided link?","1.9.1"
"Which project listed under ""Projects in the Attic"" was previously known as Amber?","Oltu"
"What was Apache Falcon designed for within the Hadoop ecosystem before moving to the Attic?","Data motion, coordination of data pipelines, lifecycle management, and data discovery within the Hadoop ecosystem."
"What command can you use in Apache version 1.9.1 to rebase only the last two commits onto the master branch?","git rebase --onto master HEAD~2"
"Which project, listed as being revived in June 2018, is among those in the Attic?","XMLBeans"
"Which Apache project, consisting of a Java implementation for the Universal Description, Discovery, and Integration specification, moved into the Apache Attic in February 2023?","jUDDI"
"What is the status of the Apache OODT issue tracker?","Read-only."
"Which Apache project, moved to the Attic in April 2016, was used as a Java library to help developers unit test Hadoop map reduce jobs?","MRUnit"
"Which Apache project that has transitioned to the Attic was previously known as Amber?","Oltu"
"What primary function does the `mx.viz.plot_network` method serve in visualizing neural networks?","Visualizes neural networks as computation graphs."
"What package is recommended for improving performance when using Intel Xeon CPUs with MXNet, and what is a key environment variable setting to adjust?","Package: mxnet-mkl

Environment variable: OMP_NUM_THREADS"
"What is the Top-1 Validation accuracy on ILSVRC2012 for the Sub InceptionBN model when tested on a Nexus 5?","64%"
"What framework does the ASF provide for intellectual property and financial contributions that enables global collaboration on software projects?","Framework for intellectual property and financial contributions."
"What primary subproject was Apache Quetzalcoatl mainly formed around?","mod_python"
"Which library is enabled by default in MXNet pip packages starting from release 1.7.0 for performance optimization on Intel hardware?","oneDNN"
"What is the primary use of the Apache Lucy search engine library?","Full-text search for dynamic programming languages."
"Which Apache graph processing system moved into the Attic in September 2023?","Apache Giraph"
"What organization sponsors Apache MXNet during its incubation phase?","Apache Incubator"
"What is the natural successor to Apache iBATIS mentioned in the document?","MyBatis"
"Which project listed as being in the attic was previously known as Amber?","Oltu"
"Which project listed in the reference document was revived in June 2018?","XMLBeans"
"What is the primary mission of Apache Buildr as described in its project overview?","To create a simple and intuitive build system for Java applications."
"What is the only group authorized to allocate CVE IDs for issues in Apache Software Foundation projects?","Apache Security Team"
"Which function would you use to perform a matrix determinant computation in the Clojure MXNet ndarray API?","-linalg-det"
"What programming language does the MXNet library support for performing tensor and matrix computations efficiently?","Scala"
"Which project in the Apache Incubator is specifically designed to detect statistically significant changes in time-series data?","Otava"
"Which Apache project, described as a web and social mashup engine, moved into the Attic in January 2016?","Apache Rave"
"Which ORM framework moved into the Apache Attic in March 2025, focusing specifically on Hadoop with support for column stores like Apache HBase and Apache Cassandra?","Apache Gora"
"What was the primary mission of Apache Cocoon before it moved into the Apache Attic?","Web development framework: separation of concerns, component-based."
"Which toolkit within the Apache MXNet ecosystem focuses on probabilistic time series modeling with deep learning-based models?","GluonTS"
"What does the package name _mxnet-cu101_ indicate in terms of software components included?","The package name _mxnet-cu101_ indicates that it is built with CUDA/cuDNN version 10.1."
"Which project that has parts migrated to Apache DeviceMap later merged back into its new version?","OpenDDR"
"Which Apache project, previously known as Amber, is listed in the Attic?","Oltu"
"Which project was the natural successor to Apache iBATIS after it entered the Attic in June 2010?","MyBatis"
"What type of container was Apache Excalibur before it moved to the Apache Attic?","Java Inversion of Control container"
"What MXNet module provides methods for debugging outputs, weights, and gradients?","mxnet.monitor"
"What programming language does the MXNet library support for seamless tensor/matrix computation and advanced deep learning model construction in version 1.9.1?","Julia"
"Which Object/Relational mapping tool for Java was moved to the Apache Attic in January 2011?","ObJectRelationalBridge (OJB)"
"What is the ID of the RSA subkey created on February 7, 2018, associated with Yizhi Liu and Apache?","F42C1A6E634C105E8D985105CA751254E97B9FE4"
"Which Jakarta project, now in the Apache Attic, offers resources related to both a WebDAV client and a server-side Content Repository?","Jakarta Slide"
"What month and year did Apache Excalibur move into the Attic?","December 2010"
"What configuration must be set in the make/config.mk file to enable building the C++ package for MXNet?","USE_CPP_PACKAGE = 1"
"What package did Jakarta previously host that was a 100% Pure Java Regular Expression package?","Regexp"
"What library is enabled by default in MXNet pip packages starting from version 1.7.0 for performance optimization on Intel hardware?","oneDNN"
"Which issue on the MXNet project involves a broken dependency related to the Caffe converter test?","MXNET-601"
"What is the primary difference between the imperative and symbolic styles in MXNet's Gluon API for debugging, specific to version 1.9.1?","Imperative style is define-by-run; symbolic style is define-then-run."
"What specific libraries are required for running MXNet on an EC2 GPU instance, according to Apache MXNet version 1.9.1?","C++ compiler with C++11 support, CUDA (cuDNN optional), BLAS, opencv, curl, openssl."
"What must a receiving Project Management Committee (PMC) be prepared to do when assuming responsibility for a project leaving the Apache Attic?","Assume all responsibilities of running the project: maintain code, answer questions, fix bugs, publish releases, report to the Board, and publish project releases in the PMC's dist area."
"What is the expiration date of Sandeep Krishnamurthy's subkey with ID 4096R/3D0D60F6?","2021-08-15"
"What is the role of `kAddTo` in the computation of the gradient tensor?","`kAddTo` indicates that a `+=` should be called to accumulate results, rather than overwriting tensor contents."
"Which project listed under ""Projects in the Attic"" was previously known as Amber?","Oltu"
"What is a key advantage of using model parallelism with LSTM layers in MXNet for training on multiple GPUs?","Efficient distribution of model parameters to reduce memory load per GPU."
"What Python error type is associated with having repeated axes in a transpose operation in Apache MXNet version 1.9.1?","ValueError"
"What is the specific encryption method used by Apache to ensure data security during a site visit, and what is the typical level of encryption offered?","SSL (Secure Socket Layer) method; typically 256-bit encryption."
"Which project from the reference document moved into the Apache Attic in December 2016?","DeviceMap"
"What environment variable controls the use of the MKL-DNN backend in the fused RNN operator for CPU context in Apache MXNet version 1.9.1?","MXNET_USE_MKLDNN_RNN"
"Which Apache search engine library for dynamic programming languages is described as a ""loose C"" port of another search engine library for Java?","Lucy"
"Which Apache project, involved with the Universal Description, Discovery, and Integration specification, moved into the Attic in February 2023?","jUDDI"
"What is the latest version number mentioned for the Apache MXNet deep learning library?","1.9.1"
"In the Python API of Apache MXNet, which module is specifically designed for automatic differentiation?","mxnet.autograd"
"Which function specifically deals with extracting the diagonal elements of a matrix in the provided list?","-linalg-extractdiag"
"Which Apache project listed was revived in June 2018?","XMLBeans"
"What is the licensing status of the MXNet Scala tutorials described in the Apache version 1.9.1?","Apache License, Version 2.0."
"Which Apache project, mentioned in the reference, was designed as an open source data collection system for monitoring large distributed systems and moved into the Attic in May 2020?","Chukwa"
"What is the purpose of the Apache Incubator according to the Apache Software Foundation?","To provide services to new projects that want to enter the ASF."
"Which function in the org.apache.clojure-mxnet.ndarray API is used to obtain the index of the maximum value within an array?","argmax"
"Which framework, that was cross-platform and transport-independent for network services, moved into the Apache Attic in June 2016?","Etch"
"What is one key requirement for an effective IO system design in MXNet data loading related to file size?","Small file size."
"What value of MXNET_KVSTORE_REDUCTION_NTHREADS is used for summing up big arrays, and does this impact the `dist_sync_device` kvstore on GPUs?","4; no"
"Which individual’s CODE SIGNING KEY uses the fingerprint starting with AA3EBCC3E65A768A?","Naveen Swamy"
"What library is enabled by default in Apache MXNet pip packages starting from version 1.7.0?","oneDNN"
"What indicates that Apache MXNet has not yet received full endorsement from the Apache Software Foundation?","Undergoing incubation at the Apache Software Foundation."
"Which Apache project moved into the Attic in 2024-07 and was known for combining MPP database advantages with Hadoop scalability?","Apache HAWQ"
"Which project listed in the ""Projects in the Attic"" was revived in June 2018?","XMLBeans"
"What was the primary mission of Apache DRAT before it moved into the Attic in August 2020?","Large scale code license analysis, auditing, and reporting."
"What year did Apache Marmotta move into the Attic?","2020"
"What is the purpose of the Apache Attic in relation to retired projects?","The purpose of the Apache Attic is to provide process and solutions for when an Apache project has reached its end of life."
"What is the function signature requirement for a post-forward hook in MXNet Gluon Blocks that ensures inputs and outputs are not modified?","`hook(block, input, output) -> None`"
"What is Anirudh Subramanian's email address associated with his PGP public key for code signing?","anirudh2290@apache.org"
"Which social media platforms' plugins are used on the Apache website to enhance company recognition, as of the latest policy update in 2025?","Facebook, Twitter, Instagram"
"Which company is listed as a Targeted Platinum Sponsor of ASF for donating cloud services or funding specific activities?","Amazon Web Services"
"What is the email address associated with Zhenghui Jin's code signing key?","zhenghuijin@apache.org"
"What tool served as an Object/Relational mapping solution for Apache before moving to the Attic in January 2011?","Apache ObJectRelationalBridge (OJB)"
"What is the required minimum duration of commitment for a Targeted Sponsorship to ensure funding continuity for the Apache Software Foundation?","3-year commitment"
"What was the primary mission of Apache Pivot before it moved to the Apache Attic?","Rich Internet applications in Java."
"What command can be used to selectively apply the most recent k commits to a branch while discarding all previous commits in the Apache version?","git rebase --onto upstream/master HEAD~k"
"What was the primary focus of the Apache Quetzalcoatl project before it moved to the Apache Attic in June 2010?","Creation and maintenance of open-source software related to mod_python and the Python programming language."
"Which project mentioned in the reference is associated with the attic and is abbreviated as ACE?","ACE"
"What step must you follow immediately after tackling a smaller issue as part of your first contribution to Apache MXNet?","Follow the formal pull request (PR) process to submit your PR for review."
"What is a security risk associated with using `kvstore.set_optimizer` in MXNet during distributed training?","Execution of unvalidated pickle files."
"Which Apache project listed has been revived as of June 2018?","XMLBeans"
"Which Apache project that moved into the Attic in January 2016 was designed as a web and social mashup engine for internet and intranet portals?","Rave"
"Which Apache function in Clojure MXNet is used for both generating random numbers following a uniform distribution and has a ""like"" counterpart with similar functionality?","uniform"
"Which function from the org.apache.clojure-mxnet.util section is specifically designed to transform a buffer into a vector?","buffer->vec"
"What is the role of the im2rec.cc tool in creating a RecordIO dataset using the C++ API in Apache MXNet version 1.9.1?","`im2rec.cc` implements the tool using the C++ API to create a RecordIO dataset."
"What is the expiration date of the subkey 4096R/3D0D60F6?","2021-08-15"
"Which Apache project listed is noted for being closed down in 2004, long before the creation of the Apache Attic?","Avalon"
"Who holds the code signing key with the identifier Anirudh Subramanian <anirudh2290@apache.org>?","Anirudh Subramanian"
"Which function in the org.apache.clojure-mxnet.ndarray-api is used for computing the determinant of a matrix?","-linalg-det"
"Which function is specifically designed to handle the transformation of input data from image format to column format?","im2col"
"Which MXNet memory pool type uses a strategy where allocations are always rounded to a specified threshold, and what is the name of the parameter that defines this threshold?","Round; MXNET_GPU_MEM_POOL_ROUND_LINEAR_CUTOFF"
"What are the suggested replacements for Apache Beehive's Web Service Metadata component?","Axis2's implementation of JSR-181"
"Which Apache project, known for its separation of concerns and component-based web development framework, was moved into the Apache Attic in January 2025?","Apache Cocoon"
"Which Apache project was moved to the Attic in August 2020 and functioned as a unified analytics platform?","Apache Lens"
"What is the key fingerprint of Leonard Lausen's PGP public key used for code signing?","126F 8E1A 1220 4B31 D88B 0381 5CC8 0E02 0B26 CA03"
"What programming paradigm is Apache Polygene associated with for domain-centric application development?","Composite Oriented Programming"
"Which function from the `org.apache.clojure-mxnet.symbol` namespace in Apache provides the operation for calculating the cosine of an angle?","cos"
"What are the benefits of using an explicit backward path for gradient calculation in deep learning libraries like Theano and CGT?","Reduced memory usage, better optimization potential, and clearer computational dependencies."
"What was the primary purpose of Apache Eagle before it moved to the Attic in November 2020?","Analytics solution for identifying security and performance issues on big data platforms."
"What option does MXNet use to communicate data when more than one GPU or machine is used, and what can be done to reduce the communication cost?","`kvstore`; explore different `--kv-store` options and increase the batch size."
"What is the primary purpose of the Apache Incubator within The Apache Software Foundation?","The primary purpose of the Apache Incubator is to provide a path for projects and their communities to enter The Apache Software Foundation."
"What does the incubation status of Apache MXNet indicate about its endorsement by the Apache Software Foundation?","The project has yet to be fully endorsed by the ASF."
"What custom error type is thrown in the Python frontend when a `transpose` operation in Apache MXNet v1.7 has repeated axes?","ValueError"
"What compiler version is recommended for building MXNet on Raspbian to avoid known bugs, and which versions should be avoided?","G++ 4.8 or 4.9. Avoid gcc 5 or 6."
"Which project listed in the Apache Attic was previously known as Amber?","Oltu"
"What paradigm was Apache Hama based on for Big Data analytics before it moved into the Apache Attic?","Bulk Synchronous Parallel"
"In the context of defining gradients for loss functions in Apache MXNet, what unary gradient function type is utilized when the gradient calculation involves input data?","UnaryGradFunctionT2"
"What type of data is anonymized by removing the last two octets as per the Apache privacy policy?","IP address"
"What was the mission of Apache Any23 before it moved to the Apache Attic in June 2023?","Creation and maintenance of software for automatic crawling, parsing, analyzing, producing, validating, and converting RDF data."
"Which letter appears as a class member function but not as an enumerator in the provided reference?","h"
"Who is associated with the PGP public key ID 0812952358B12DC30536E7E0C06916C3AB88ABFE?","Qing Lan"
"What should a Project Management Committee (PMC) do if it cannot get enough votes to dissolve before moving to the Attic?","Inform the board that the vote failed to get enough votes."
"Which project listed among Apache's Attic initiatives was formerly known as Amber?","Oltu"
"How is a scalar input enabled and accessed in the forward function and gradient of a SimpleOp in Apache MXNet version 1.9.1?","`set_enable_scalar(true)` and access using `env.scalar` in `EnvArguments`."
"What is the current incubation status of Apache MXNet under The Apache Software Foundation?","Incubation."
"What should you do on a Raspberry Pi if you encounter build errors due to the compiler being killed?","Increase the swapfile size."
"What was the primary mission of Apache Any23 before it moved into the Apache Attic in June 2023?","Creation and maintenance of software related to automatic crawling, parsing, analyzing, producing, validating, and converting RDF data."
"What is the reason given for the retirement of Jakarta Cactus?","Lack of development community."
"What is the license type under which Apache MXNet is distributed?","Apache License, Version 2.0"
"Who is the owner of the PGP public key with the fingerprint 7302629A6791AC2C3593B9A0015ED8A29C815704?","Haibin Lin"
"What event occurs between the execution of the `diag` and `sum` operators, and what function is responsible for it?","ResourceParallelRandomSetSeed"
"What must you do if you want to use the C++ package in MXNet given the removal of binaries from Maven?","Build from source with the `USE_CPP_PACKAGE=1` option."
"What is the status of the Apache MXNet project as of September 2023?","Apache MXNet moved into the Attic in September 2023."
"What environment variables must be configured for S3 authentication in MXNet version 1.9.1?","AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY"
"Which function listed in the reference document is used to reverse the order of a sequence?","sequence-reverse"
"Which Apache project is described as a highly customizable Raft protocol implementation in Java?","Ratis"
"Which software distribution framework, moved to the Apache Attic in December 2017, is built using OSGi and allows central management and distribution of software components?","ACE"
"What feature did Jakarta Slide include that contributed to its role in content management systems?","Full WebDAV support"
"Name a project associated with the Apache Software Foundation that was previously known as Amber.","Oltu"
"What paradigm was Apache Hama based on for Big Data analytics?","Bulk Synchronous Parallel paradigm."
"Which Apache project is described as a Java native API Gateway for service proxy, protocol conversion, and API governance?","ShenYu"
"What is the primary advantage of using multi_precision mode of the optimizer when training neural networks in float16 with MXNet?","Increases precision of weight updates."
"What was the primary mission of the Apache Open Climate Workbench?","Climate model evaluation."
"What is the purpose of Apache AxKit, as indicated by its ability to convert XML to various formats like HTML?","To provide on-the-fly conversion from XML to various formats."
"What library is enabled by default in MXNet pip packages starting from release 1.7.0, and is designed to optimize performance on Intel hardware?","oneDNN"
"What is the purpose of the `mx.viz.plot_network` function in Apache MXNet version 1.9.1?","To visualize neural networks as computation graphs."
"Which project associated with managing build artifact repositories was moved to the Apache Attic in February 2024?","Apache Archiva"
"What was the primary function of Apache Click before it moved to the Apache Attic?","JEE web application framework."
"What programming language does the MXNet package support for seamless tensor/matrix computation with multiple GPUs?","Clojure"
"What is the process for proposing a new feature in Apache MXNet?","Submit a proposal on the dev mailing list for discussion and feedback."
"What was Apache Oltu originally known as before moving into the Apache Attic?","Amber"
"What is the primary purpose of the PGP keys provided by Apache developers?","Code signing."
"What was the primary focus of the Apache Onami project?","Development and maintenance of a set of Google Guice extensions."
"What specific Google library did Apache Onami focus on extending?","Google Guice"
"What are the consequences of using `git push --force` on your own branch?","Rewrites commit history, potentially causing conflicts for collaborators."
"What does the `PoolingProperty::DeclareBackwardDependency` function return when specifying dependencies for backpropagation?","{out_grad[0], in_data[0], out_data[0]}"
"Which Apache project, mentioned as having moved to the Attic in April 2015, was an Open Source Java/XML Content Management System?","Lenya"
"What programming language APIs are available in Apache MXNet version 0.12.1?","Python, C++, Julia, Perl, R, Scala"
"What is the email address associated with the PGP public key for Sam Skalicky?","samskalicky@apache.org"
"In the context of model parallelism within deep learning, what is the benefit of placing each LSTM layer on a separate GPU?","It reduces memory requirements per GPU and allows better utilization by parallelizing computations across multiple GPUs."
"What type of organization is ASF categorized as under U.S. law?","501(c)(3) charitable organization"
"Which retired Apache project was previously hosted under Jakarta and served as a unit testing framework for server-side Java code?","Cactus"
"What is the function name in the Apache Clojure MXNet NDArray API used for checking if all elements are finite?","all-finite"
"What Apache project related to big data stream processing was moved to the Attic in September 2019?","Apache Apex"
"Which project listed in the Apache Software Foundation document was revived in June 2018?","XMLBeans"
"Which project listed in the ""Projects in the Attic"" section was revived in June 2018?","XMLBeans"
"Identify the repository mentioned where archived versions of the Polygene can be downloaded.","Apache Archives"
"Which Apache project aims to provide extensions to distributed analytic platforms like Apache Spark and moved to the Attic in January 2024?","Apache Bahir"
"What API can be used for single and batch image classification in the MXNet Scala package?","Infer API"
"What is the impact of hybridizing a network using Apache MXNet's Gluon API on the ability to debug and examine intermediate results?","Hybridizing a network with Apache MXNet's Gluon API limits the ability to debug and examine intermediate results because it does not keep intermediate outputs."
"How does the MXNet R package enhance GPU computing for deep learning tasks in R?","The MXNet R package enhances GPU computing for deep learning in R by enabling flexible and efficient tensor/matrix computations across multiple GPUs and allowing the construction and customization of state-of-the-art deep learning models for tasks like image classification."
"What is the role of `KVStore` in managing gradient aggregation and model updates when using multiple GPUs in Apache MXNet?","`KVStore` manages gradient aggregation and model updates across multiple GPUs by copying gradients to CPU memory for updates (`local`) or performing these operations on GPUs (`device`), potentially using GPU peer-to-peer communication for efficiency."
"What specific mechanism does Apache MXNet use to manage exceptions thrown in spawned threads, according to version 1.9.1?","The exception is thrown in a spawned thread, caught, and transported to the main thread, where it is rethrown."
"Which function in Apache MXNet is specifically designed to manage warnings related to resource disposal?","log-dispose-warning"
"What Apache MXNet Java package feature is crucial for deploying models efficiently in a Java ecosystem, according to version 1.9.1 documentation?","Java Inference API."
"What tool is suggested for optimizing deep learning computation graphs within the TensorRT framework?","TensorRT"
"What function might you use within the org.apache.clojure-mxnet.shape namespace to convert a vector into a shape object?","->shape"
"What was the mission of Apache OODT before it moved into the Attic in April 2023?","To create Object Oriented Data Technology (middleware metadata)."
"Which Apache project, a workflow scheduler for Hadoop jobs, was moved into the Apache Attic in February 2025?","Oozie"
"Which project listed in the reference document had moved into the Apache Attic in September 2014 and incorporated WS-ReliableMessaging specification into its functionality?","Apache Axis Sandesha2/C"
"What was the primary mission of Apache Crunch before it was moved to the Attic?","Simple and Efficient MapReduce Pipelines"
"Which Java project listed in the reference moved into the Apache Attic in December 2010?","Excalibur"
"What were some related projects to Apache DeviceMap that provided similar functionalities under different licenses?","OpenDDR, YAUAA, DeviceDetector, mobiledetect"
"What quantization method is supported for gradient compression in Apache MXNet version 1.9.1?","Two-bit quantization."
"Which Apache project, moved to the Attic in July 2015, provided an API server and drivers for connecting to cloud providers via a cloud abstraction API?","Deltacloud"
"What was the primary mission of Apache Joshua before it moved into the Attic?","Machine translation."
"Which project listed in the Apache Attic related projects is also a continuation of the Aurora project outside of the ASF?","aurora-scheduler"
"What must all Targeted Sponsorships at the Apache Software Foundation (ASF) have to ensure funding continuity?","A minimum 3-year commitment."
"What types of issues are explicitly not classified as security vulnerabilities by the Apache Security Team?","- Lack of DMARC or SPF record on their domains
- ""Clickjacking"" on their domains
- Directory listings (deliberate and not containing sensitive information)
- Systems disclosing the versions of servers and software
- Publicly accessible data in their Jira bug tracking system"
"How do symbolic programs improve computation efficiency through operation folding compared to imperative programs?","Operation folding allows symbolic programs to combine multiple operations into a single operation, reducing the number of executions needed and improving computational efficiency. This is not possible in imperative programs because they may require access to intermediate values, preventing the consolidation of operations."
"What is the email address associated with the PGP public key for Przemysław Krzysztof Trędak's code signing?","ptrendx@apache.org"
"What offers distributed data storage and is especially convenient for hosting large datasets when setting up an AWS GPU cluster with MXNet?","Amazon S3"
"What is indicated by the project status of Apache MXNet as per version 1.9.1 documentation?","This project has retired."
"Which component of the Apache MXNet system architecture is responsible for efficiently allocating and recycling memory blocks on both the host and devices, and what version does this information apply to?","Storage Allocator, version 1.9.1."
"What is the Apache MXNet component responsible for managing memory consumption in high-performance deep learning systems?","Dependency Engine"
"What feature in Apache MXNet allows switching between imperative and symbolic execution for optimized performance in version 1.9.1?","Gluon hybridize functionality"
"Which project listed under ""Projects in the Attic"" in the Apache reference has previously been known by the name Amber?","Oltu"
"What is the purpose of Apache Lucy as mentioned in its description?","Full-text search for dynamic programming languages."
"Which module in Apache MXNet provides tools for compiling and running CUDA code from the Python frontend?","mxnet.rtc"
"What is the mission of Apache DRAT when it was active before moving to the Attic?","Large scale code license analysis, auditing and reporting."
"How does the use of gradient compression impact memory usage on GPUs in Apache MXNet version 1.9.1?","Increased memory usage due to additional residuals stored on GPUs."
"What condition must be met if you want to add your own copyright statement to modifications under the Apache License, Version 2.0?","Your modifications must comply with the conditions stated in the Apache License, Version 2.0."
"Which specific Apache project related to data collection is listed as being in the Attic?","Chukwa"
"Which project that moved into the Apache Attic was a place for innovation where Apache committers could experiment with new ideas?","Labs"
"What model does the Apache Software Foundation use to make decisions that enable projects to build strong communities and thrive?","Consensus-driven decision model"
"Which project in the list was revived in June 2018?","XMLBeans"
"What are the challenges presented by immutable data in the context of a dependency engine?","Harder scheduling of resource contention, managing resources for conflict avoidance, and lack of preallocated static memory."
"Who is the owner of the PGP public key with the identifier AA3EBCC3E65A768AE3D2A64B8EF47B8720E8C549?","Naveen Swamy"
"What library is enabled in MXNet pip packages by default starting from version 1.7.0 to optimize performance on Intel CPUs and GPUs?","oneDNN"
"Which Apache project, designed to assist in unit testing Hadoop map reduce jobs, was moved into the Attic in April 2016?","MRUnit"
"What happened to Apache MXNet in September 2023?","Apache MXNet moved into the Attic in September 2023."
"Which aspect of MXNet 1.0.0 release enhances performance by utilizing maximum CPU core utilization by default?","Maximum CPU core utilization by default."
"In which year did Apache MetaModel move into the Attic?","2021"
"What framework is considered the natural successor to Apache iBATIS?","MyBatis"
"What was the primary purpose of Apache MRUnit before it moved to the Apache Attic in April 2016?","To unit test Apache Hadoop map reduce jobs."
"What is the status of Apache ODE's issue tracker?","Read-only"
"What is one challenge of using immutable data in a dependency engine, particularly in relation to resource management?","Resource contention management."
"What is the primary mission of the elected volunteer leadership of the Apache Software Foundation?","Advancing ASF’s mission of providing software for the public good."
"What advantage do symbolic programs have regarding memory optimization when only a forward pass is required?","Memory sharing between inputs and outputs."
"What was Apache Oltu originally known as?","Amber"
"What is the cause of the fatal JVM error mentioned in the reference to Apache MXNet, specifically related to CustomOpProp, version 1.9.1?","Exception in CustomOpProp#inferTypeEntry"
"What was the reason for retiring the Jakarta Regexp project in April 2011?","No new features or releases planned."
"What parameter would you add to an `im2rec` command to handle multiple labels for a single image using Apache MXNet version 1.9.1?","label_width=4"
"Which project from the Apache Attic was previously known as Amber?","Oltu"
"Which Apache project, previously known as Amber, is listed in the 'Projects in the Attic'?","Oltu"
"What is the purpose of using the `mx.nd.waitall()` function when profiling memory in Apache MXNet?","To enforce synchronization and ensure all preceding computation is finished before stopping the profiler."
"Which function from the org.apache.clojure-mxnet.util is used to transform a buffer into a vector?","buffer->vec"
"What challenge arises in memory recycling when using a dependency engine for parallel processing in deep learning?","The challenge is determining when to recycle memory after its use, ensuring it happens only after all dependent computations are complete."
"What minimum percentage of targeted, cash-based sponsorships is allocated to provide general ASF services to support the targeted sponsorship goal?","15%"
"Which Apache project listed in the Apache Attic deals with big data and is named HAWQ?","HAWQ"
"What is the primary characteristic that distinguishes symbolic programs from imperative programs in the context of mathematical computation?","The primary characteristic that distinguishes symbolic programs from imperative programs is the clear separation between building the computation graph and executing it."
"Which function in the Apache Clojure MXNet ndarray API is used for reversing the order of indices when dealing with multi-dimensional arrays?","reverse"
"What condition must be met for MXNet to use CUDA graphs on the GPU?","MXNET_ENABLE_CUDA_GRAPHS=1; symbolic model or Gluon model hybridized with `static_alloc=True` and `static_shape=True`."
"Which Apache project in the Attic previously went by the name Amber?","Oltu"
"What is the expiration date of Leonard Lausen's RSA key used for code signing?","2021-07-19"
"What programming approach is explored by Apache Polygene for domain-centric application development?","Composite Oriented Programming"
"What can be done to reduce the communication cost when using multiple GPUs in Apache MXNet version 1.9.1?","Explore different `--kv-store` options and increase the batch size."
"What is the natural successor to Apache HiveMind mentioned in its archival discussion?","Tapestry IoC"
"What feature was introduced in MXNet version 1.3.1 to enhance the consistency of convolutional layers?","Deterministic algorithm enforcement for convolutional layers."
"Which project mentioned in the document moved into the Apache Attic in March 2017?","Abdera"
"What was the primary purpose of the Apache Axis Savan/C implementation?","C implementation of WS-Eventing specification."
"What command can terminate lingering jobs on slave computers when using Apache MXNet version 1.9.1 for distributed training?","cat hosts | xargs -I{} ssh -o StrictHostKeyChecking=no {} 'uname -a; pgrep python | xargs kill -9'"
"What is the minimum recommended amount of RAM for running MXNet on a Raspberry Pi 3B device?","1 GB of RAM"
"What is the primary advantage of using the MXNet Julia package for constructing deep learning models?","Flexible and efficient GPU computing."
"What is the purpose of the Apache Attic in relation to projects that have reached their end of life?","To provide oversight for Apache projects that have reached their end of life."
"What is the email address associated with the CODE SIGNING KEY issued on November 29, 2017?","cjolivier01@apache.org"
"What command should be used to update the data directory path in the MXNet script to read MNIST data from an S3 bucket?","sed -i.bak ""s!data_dir = 'data'!data_dir = 's3://dmlc/mnist'!"" example/image-classification/train_mnist.py"
"In which year did Apache Mnemonic move into the Attic?","2025"
"What is the significance of the kTempSpace flag in the ResourceRequest structure within Apache MXNet's resource management system?","Temporary space allocation for computation."
"Which organization is responsible for managing projects like Abdera, Bahir, and Oltu that are no longer actively developed?","Apache Attic"
"What was the primary mission of Apache Crunch before it moved to the Attic in June 2020?","Simple and Efficient MapReduce Pipelines"
"Which Apache project provided Perl5 compatible regular expressions and was retired in September 2010?","Jakarta ORO"
"Which function name in the list is related to computing the Cholesky factorization of a matrix?","-linalg-potrf"
"What are the available APIs in Apache MXNet version 1.1.0?","Python, C++, Julia, Perl, R, Scala"
"Which communication tool for Apache REEF is designated as read-only?","Issue Tracker (JIRA)"
"What is required for someone proposing a new feature to contribute to Apache MXNet?","Open an issue in MXNet’s JIRA with a detailed description of the feature, including scope and requirements."
"Who is associated with the PGP public key that has the fingerprint 26B7A45A7F22BE9DE307F2BDA62BB4B4724E4D28?","Wei Chu"
"Which Apache project, retired in November 2011, was a modular Java runtime with class libraries and associated tools?","Apache Harmony"
"Which Apache project related to server-side Java code testing was retired in August 2011 due to a lack of development community?","Jakarta Cactus"
"Which project listed under Apache Attic was exploring Composite Oriented Programming for domain centric application development?","Polygene"
"What is the purpose of using the binary recordIO format in MXNet, as mentioned in the reference?","Efficient data loading, compact storage, and enabling partitioning for distributed machine learning."
"What configuration change in the `config.mk` file is necessary to enable S3 integration when building MXNet from source?","USE_S3=1"
"How can you terminate lingering jobs on slave computers in an MXNet distributed training setup using version 1.9.1?","Use the command: `cat hosts | xargs -I{} ssh -o StrictHostKeyChecking=no {} 'uname -a; pgrep python | xargs kill -9'`"
"Which project in the Attic was previously known as Amber?","Oltu"
"Which project included in the Apache Attic moved into the Attic in October 2020 and was focused on climate model evaluation?","Open Climate Workbench"
"What is the primary function of the Apache SkyWalking project?","Application performance management and monitoring (APM)."
"Which Apache project, included in the provided list, was aimed at managing semantically linked data through RESTful web services and is now in the Attic as of June 2022?","Clerezza"
"Which project related to large scale code license analysis was moved to the Apache Attic in August 2020?","DRAT"
"In the context of MXNet 1.2.0.rc1 and its benchmarks, what is the effect of increasing batch size on Resnet 50 performance when using a V100 GPU compared to using a K80 GPU?","Increasing the batch size on a V100 GPU significantly improves Resnet 50 performance compared to a K80 GPU."
"Which individual is associated with the code signing key AF55CD6D?","Anirudh Subramanian"
"What was the primary function of Apache AxKit, and how was it implemented within the Apache server environment?","XML application server for Apache; provided on-the-fly XML conversion to formats like HTML, WAP, or text."
"Which project in the Apache Attic was previously known as Amber?","Oltu"
"What is the main ethos of the Apache Software Foundation that contributes to better software development, according to the reference document?","""Survival of the fittest"" ethos"
"What does the Apache MXNet dependency engine use to decide when an operation can be executed, while separating this from the actual execution policy?","Dependency tracking using queues and counters on variable tags."
"Which project in the Apache Attic was focused on climate model evaluation and moved there in October 2020?","Open Climate Workbench"
"What is the status of the Apache MXNet issue tracker following its move to the Attic in September 2023?","Read-only."
"What approach does MXNet use to bundle all required code for prediction into a single file, minimizing dependencies on other libraries?","Amalgamation."
"What function can be found in both `org.apache.clojure-mxnet.ndarray-random-api` and `org.apache.clojure-mxnet.random`, but not in `org.apache.clojure-mxnet.symbol`?","uniform"
"Which Apache project, listed as having moved into the Attic in February 2024, was focused on the creation and maintenance of a Build Artifact Repository Manager?","Archiva"
"According to the reference document, what is the licensing model for Apache MXNet versions 1.9.1 and earlier?","Apache License, Version 2.0"
"What project replaced Apache Crimson as a Java XML parser according to the Apache Software Foundation documentation?","Xerces"
"What was Apache WS Muse a Java-based implementation of before moving to the Attic?","WS-ResourceFramework (WSRF), WS-BaseNotification (WSN), and WS-DistributedManagement (WSDM) specifications."
"What is the status of Apache Giraph's issue tracker as of 2023?","Read-only"
"What was Apache Falcon designed for in relation to Hadoop?","Data motion, coordination of data pipelines, lifecycle management, and data discovery."
"What year did Apache Clerezza move into the Apache Attic?","2022"
"Which Apache project, aimed at extending distributed analytic platforms like Apache Spark, was moved to the Attic in January 2024?","Bahir"
"Which project listed under ""Projects in the Attic"" was known previously as Amber?","Oltu"
"What are the two primary areas in Apache MXNet from which exceptions can be thrown, especially in the context of multithreaded operations?","MXNet main thread, Spawned threads"
"Which source version control system is used for the Apache Cocoon project?","Subversion"
"What is the command to create a RecordIO dataset with multiple labels for a single image using Apache MXNet version 1.9.1?","./bin/im2rec image.lst image_root_dir output.bin resize=256 label_width=4"
"What is the signature of the callback function used for monitoring all operators called by a HybridBlock after hybridization in Apache MXNet?","callback(node_name: str, opr_name: str, arr: NDArray) -> None"
"What license is the Apache Software Foundation's projects, including Jakarta and MXNet, released under?","Apache License, Version 2.0."
"In Apache MXNet version 1.9.1, how are exceptions handled when they are thrown by a spawned thread during data prefetching with PrefetcherIter?","The exception is caught in the spawned thread, transported to the main thread, and rethrown when `Next` is called."
"What is the role of `KVStore` in MXNet when using multiple GPUs for training?","`KVStore` handles data communication for gradient aggregation and updating model weights across GPUs."
"Why is it important to avoid unnecessary object references in dynamic memory allocation for deep learning models?","It increases memory usage and prevents garbage collection, leading to inefficient resource management."
"What is the Apache Incubator's primary role?","The Apache Incubator's primary role is to provide a path for projects and their communities to enter the Apache Software Foundation."
"What are projects that have moved to the Apache Attic, indicating they are no longer actively maintained under the Apache Software Foundation?","Abdera, ACE, Any23, Apex, Archiva, Aurora, Avalon, AxKit, Axis Sandesha2/C, Axis Savan/C, Axis Savan/Java, Bahir, Beehive, Bloodhound, Buildr, Chemistry, Chukwa, Clerezza, Click, Open Climate Workbench, Cocoon, Crimson, Continuum, Crunch, Deltacloud, DeviceMap, DirectMemory, DRAT, Eagle, ESME, Etch, Excalibur, Falcon, Forrest, Giraph, Gora, Hama, Harmony, HAWQ, HiveMind, iBATIS, Jakarta, Jakarta Cactus, Jakarta ECS, Jakarta ORO, Jakarta Regexp, Jakarta Slide, Jakarta Taglibs, Joshua, jUDDI, Labs, Lens, Lenya, Lucy, Marmotta, MetaModel, Metron, Mnemonic, MRUnit, MXNet, ODE, ObJectRelationalBridge (OJB), Oltu (previously Amber), Onami, OODT, Oozie, Pivot, Polygene, PredictionIO, Quetzalcoatl, Rave, REEF, River, Sentry, Shale, Shindig, Sqoop, Standard C++ Library (STDCXX), Stanbol, Stratos, Streams."
"What is a key advantage of using model parallelism over data parallelism in Apache MXNet version 1.9.1?","Allows larger models by distributing layers across GPUs without storing entire model copies on each."
"What is the main advantage of using float16 data type for training deep neural networks on Nvidia's Volta GPUs in Apache MXNet version 1.9.1?","Increased training speed due to efficient float16 computation on Nvidia's Tensor Cores."
"What is the user ID associated with the RSA public key that was generated on February 15, 2019?","Qing Lan <lanking@apache.org>"
"What was the mission of Apache Bloodhound before it moved into the Apache Attic in July 2024?","To develop an issue tracking, wiki, and repository browser."
"What programming language does the MXNet library support to enable flexible and efficient GPU computing for deep learning?","Scala"
"What is the primary focus of current efforts in the Apache MXNet 1.9.1 Python API?","Gluon API"
"What was the primary mission of Apache OODT before it moved to the Apache Attic?","Object Oriented Data Technology (middleware metadata)."
"What support does Apache MXNet provide for distributed training?","Parameter Server and Horovod support."
"What improvements in MXNet version 1.2.1 contribute to its enhanced performance?","Reduced memory consumption for ReLU activation, improved performance of depthwise convolution, improved slice operator performance by 20x."
"What tool can be used for quantizing models when optimizing performance with the Intel MKL-DNN backend?","Intel® Neural Compressor"
"What are the full email addresses of the key holders associated with the PGP public keys in the document?","ciyong.chen@apache.org  
samskalicky@apache.org"
"What sequence of events underlies the initialization of an MXNet ndarray, specifically focusing on the functions involved in Apache MXNet version 1.9.1?","MXNDArrayCreateEx, MXNDArrayGetShape, MXNDArrayGetDType, MXNDArraySyncCopyFromCPU"
"What significant status change occurred to Apache MXNet in September 2023 according to the document from the Apache Software Foundation?","Moved into the Attic."
"What was the primary function provided by Apache Deltacloud before it moved to the Attic?","Cloud abstraction API."
"What conditions may lead a PMC to be moved to the Apache Attic?","Lack of active contributors or inability to get enough PMC votes."
"What is required in a proposal for a new feature or improvement in Apache MXNet version 1.9.1 to ensure productive discussions and accurate implementation?","Detailed description of the feature or improvement, including scope and requirements."
"What copyright license is Apache MXNet under?","Apache License, Version 2.0"
"What is required for a PMC to move a project to the Attic if a vote to dissolve the PMC does not gather enough participation?","If the PMC can't get enough people to vote to dissolve the PMC (and there are not three -1 votes), that is grounds for moving to the Attic. Inform the board accordingly."
"What paradigm was Apache Hama based on for Big Data analytics?","Bulk Synchronous Parallel"
"What feature of Apache MXNet allows for a smooth transition from training in Python to deployment in another language such as Scala or Julia?","Hybridization feature"
"Which project listed as being in the Apache Attic was previously known as Amber?","Oltu"
"Which Apache search engine library is described as a ""loose C"" port of Lucene?","Lucy"
"Which project was retired from the Tomcat Taglibs project in 2014?","RDC Taglib"
"What platform did Apache Apex provide for big data processing before it moved to the Attic?","Apache Apex"
"Which caching solution intended for the Java Virtual Machine moved into the Apache Attic in July 2015?","DirectMemory"
"What is the primary condition under which a contributor may be liable for damages according to the provided license terms?","Deliberate and grossly negligent acts."
"How does model parallelism with multiple GPUs in LSTM networks ensure that no single GPU maintains all model parameters in memory?","By placing each LSTM layer on a separate GPU."
"What was the primary function of Apache Continuum before it was moved to the Apache Attic?","Continuous integration server."
"What is the primary licensing model maintained by the Apache Software Foundation?","Apache License, Version 2.0"
"What is the requirement for a registered pre-forward hook operation in MXNet Gluon Block regarding input and output modification?","The registered operation should not modify the input or output."
"Which programming language's tutorials are specifically mentioned as being part of the Apache MXNet version 1.9.1 resources?","Scala"
"Which API languages are available for usage with Apache MXNet version 1.2.1?","Python, C++, Julia, Perl, R, Scala"
"Which Apache project moved into the Attic in June 2021 and aimed to provide a common interface for exploring metadata and querying various data sources?","MetaModel"
"What was the primary mission of Apache Pivot in its development?","Rich Internet applications in Java."
"What is the purpose of using multi-precision mode of the optimizer when training neural networks with float16 in Apache MXNet?","To maintain a master copy of weights in float32 for increased precision during weight updates, leading to faster convergence."
"What enforcement feature does MXNet 1.3.1 release introduce for convolutional layers?","Deterministic algorithm enforcement"
"Which Apache project in the Attic was previously known as Oltu?","Oltu (previously Amber)"
"Which individual is associated with the PGP public key that has the ID 406DCA257CD2BE237B79AE6BC9D353CA4AFF2E24?","Ly Nguyen"
"Which cloud abstraction API was associated with a project that moved to the Apache Attic in July 2015?","Deltacloud"
"Which Apache project, used for Java/XML content management and containing features like revision control and WYSIWYG editors, was moved to the Attic in April 2015?","Lenya"
"Which email is associated with the code signing key created on September 22, 2020?","samskalicky@apache.org"
"What challenge does a pseudo-random number generator pose for parallelized dependency engine operations?","Non-thread-safety and lack of reproducibility."
"What feature of MXNet 1.5.0 enhances computational performance by enabling optimized data processing with mixed precision?","Automatic Mixed Precision"
"What changes in execution path and result examination should be considered when deciding to hybridize a network in Apache MXNet version 1.9.1?","Do not hybridize when debugging to examine intermediate results; hybridize only after ensuring correctness for performance improvements."
"What script is used to generate content for Infrastructure JIRA issues related to making a project's resources read-only in the Apache process?","infrajiratext.py"
"What year was the Jakarta Regexp project retired?","2011"
"What version of Apache MXNet introduced Scala support for seamless tensor/matrix computation with multiple GPUs?","1.0.0"
"What is the main reason for not hybridizing a network when debugging with MXNet's Gluon API?","To examine intermediate results for debugging."
"Which project listed in the reference document was revived in June 2018?","XMLBeans"
"Which project, previously Amber, is included in the Apache Attic list?","Oltu"
"What is the email address associated with Zach Kimberg's PGP public key?","zachgk@apache.org"
"What is the key fingerprint associated with the PGP public key for Leonard Lausen's CODE SIGNING KEY?","126F 8E1A 1220 4B31 D88B 0381 5CC8 0E02 0B26 CA03"
"Which Apache project, focused on Composite Oriented Programming for domain-centric application development, moved into the Attic in December 2018?","Apache Polygene"
"What batch size causes an out-of-memory error (OOM) for Alexnet on a V100 GPU?","128"
"What feature was introduced in MXNet version 1.3.1 that relates to convolutional layers?","Deterministic algorithm enforcement for convolutional layers."
"Which Apache project was implemented to support the Atom Syndication Format before being moved to the Attic in March 2017?","Abdera"
"What was the primary mission of Apache Metron before it moved into the Attic?","Real-time big data security."
"What version of MXNet’s MKL pip packages are considered experimental according to the reference?","All MKL pip packages are experimental prior to version 1.3.0."
"In Apache MXNet, what parameter controls whether the gluon model's weight updates are performed during the communication step?","MXNET_UPDATE_ON_KVSTORE"
"Which Apache project included in the Attic was originally known as ""Oltu""?","Oltu (previously Amber)"
"What was the primary purpose of Apache Axis Sandesha2/C within the Apache software ecosystem?","WS-ReliableMessaging implementation."
"What does the `FullyConnectedProperty::DeclareBackwardDependency` function exclude from its returned vector of dependencies?","out_data[0]"
"Who is the owner of the code signing key with the email address cjolivier01@apache.org?","Chris Olivier"
"What was the primary purpose of Apache Crunch before it moved to the Attic in June 2020?","Simple and efficient MapReduce pipelines."
"What is a potential disadvantage of using big operations in the design of a deep learning library?","Decreased flexibility in operation composition."
"What type of regular expressions were provided by the retired Jakarta ORO project?","Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions."
"What is the latest version of Apache MXNet that is referenced as having a dedicated ""Get Started"" guide and features list?","1.9.1"
"What is the function of the MXNet R package in relation to GPU computing and deep learning for the R programming language?","MXNet R package enables flexible and efficient GPU computing and deep learning in R, allowing seamless tensor/matrix computations on multiple GPUs and the construction of deep learning models."
"Which Apache project moved into the Attic in August 2020, serving as a space for innovation where committers could experiment with new ideas?","Apache Labs"
"Which Apache project moved into the Attic in April 2009 due to inactivity after being related to Tapestry 4?","HiveMind"
"What is the incubation status of Apache MXNet under the Apache Software Foundation?","Incubating"
"What identifier is associated with Leonard Lausen's code signing key, including both the key type and associated email address?","rsa4096/0x5CC80E020B26CA03, lausen@apache.org"
"Which software from the list has ""Amber"" as a previous name?","Oltu"
"What legal basis under GDPR allows the Apache Software Foundation to process data collected from log files during website visits?","Art. 6 para. 1 p. 1 lit. f GDPR (Legitimate interest)."
"What environment variables are required for MXNet to authenticate and access data from AWS S3?","AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY"
"Which function related to random number generation specifically deals with creating a distribution and is associated with the term ""dirichlet""?","random-pdf-dirichlet"
"What programming language does MXNet support for tensor and matrix computations, enabling seamless use with multiple GPUs?","Scala"
"Which Apache project listed as moved to the Attic in June 2022 was originally designed to manage semantically linked data through RESTful Web Services?","Clerezza"
"Which Apache project hosted a content repository with full WebDAV support before being retired in November 2007 due to a lack of development community?","Jakarta Slide"
"What is one feature of MXNet's Julia package related to GPU computing?","Multiple GPU support"
"What is the minimum commitment duration required for Targeted Sponsorships to ensure funding continuity?","3-year commitment"
"What issue number corresponds to a problem where calling symbol/nd.smooth_l1 without a scalar causes an uncaught exception?","MXNET-170"
"What is the primary mission of Apache Archiva?","Build Artifact Repository Manager"
"What environment variable specifies the IP of the scheduler in Apache MXNet's distributed training setup, version 1.9.1?","DMLC_PS_ROOT_URI"
"Which project listed in the reference document was specifically mentioned as being retired due to a lack of development community?","Slide"
"What is one challenge faced when random number generators are used in dependency engines for machine learning?","Reproducibility issues."
"What is the consequence of force pushing to a shared branch in a collaborative project using Git, specifically in the context of Apache MXNet version 1.9.1?","It rewrites the history, which can disrupt other collaborators using the branch."
"What tool is required to convert a Caffe model's parameters into MXNet's NDArray format?","convert_model.py"
"What is the primary mission of Apache Chukwa?","Open source data collection system for monitoring large distributed systems."
"What is the UID associated with the PGP key that Serge Panev uses for code signing?","Serge Panev (CODE SIGNING KEY) <spanev@nvidia.com>"
"What quantization method is currently supported by MXNet for reducing communication bandwidth during training, and what is the threshold default value used for it?","Two-bit quantization; threshold default value: 0.5"
"Which project moved into the Apache Attic in March 2017 and was focused on implementing the IETF Atom Syndication Format and Atom Publishing Protocol?","Apache Abdera"
"What parameter should you add to an im2rec command to specify that each image has four labels, using Apache version 1.9.1?","label_width=4"
"Which Apache project listed was formerly known as Amber?","Oltu"
"What is the primary difference between `dist_sync` and `dist_device_sync` in Apache MXNet's distributed training approach?","`dist_sync` aggregates gradients and updates weights on CPU memory, while `dist_device_sync` does so on GPUs."
"Which Apache project mentioned has a continuation outside the Apache Software Foundation as ""aurora-scheduler""?","Aurora"
"Which Apache project, previously named Amber, is now included in the list of Projects in the Attic?","Oltu"
"How does in-place memory optimization for activation functions in neural networks risk errors, particularly with regard to node dependencies?","In-place memory optimization risks errors by overwriting data needed for other computations, violating node dependencies."
"What is the entry path for external projects seeking to join the Apache Software Foundation?","Apache Incubator"
"How does operation folding enhance computation efficiency in symbolic programs?","Operation folding in symbolic programs enhances computation efficiency by combining multiple operations into a single operation, reducing the number of executed operations and enabling optimized execution, especially on hardware like GPUs."
"What is the key expiration date for the PGP subkey associated with Qing Lan's email?","2021-02-14"
"What is the key requirement when using asynchronous distributed training in MXNet with Gluon to ensure correct weight updates?","`update_on_kvstore=True`"
"What command is used to terminate lingering jobs on slave computers in a distributed training environment using MXNet?","cat hosts | xargs -I{} ssh -o StrictHostKeyChecking=no {} 'uname -a; pgrep python | xargs kill -9'"
"What is the email address associated with Zach Kimberg's PGP public key?","zachgk@apache.org"
"What was the primary mission of Apache Crunch before it moved into the Attic?","Simple and efficient MapReduce pipelines."
"Which Apache project moved to the Attic in December 2017 and was a software distribution framework using OSGi?","ACE"
"What must you do before creating issues or viewing JIRA boards in Apache MXNet's system?","Create an account."
"What is the minimum commitment period required for a Targeted Sponsorship to ensure funding continuity for the Apache Software Foundation?","3-year commitment"
"What feature of Jakarta Slide supported interaction with remote filesystems?","WebDAV support"
"What is the key functionality of InputSplit in dmlc-core that simplifies data parallelism in distributed machine learning environments?","InputSplit allows the packed data to be logically sliced into arbitrary numbers of partitions, simplifying data parallelism by enabling each process to read only part of the data without being constrained by the number of physical data files."
"Which Apache project is described as a ""highly customizable Raft protocol implementation in Java""?","Ratis"
"What framework did Apache MXNet recently introduce to support distributed learning?","Horovod"
"What is the minimum percentage of targeted, cash-based sponsorship funds that must be used to support general ASF services to achieve the targeted sponsorship goal?","15%"
"What is the main purpose of casting the output of network layers to float32 before applying softmax when using the Symbolic API?","To ensure more precise softmax computations."
"Which Java project, now in the Apache Attic, was an Inversion of Control container moved there in December 2010?","Excalibur"
"Which category does Apache Apex belong to in the Apache software ecosystem as of September 2019?","Attic"
"What is the function of Apache DirectMemory within the Java Virtual Machine?","Off-heap cache for the Java Virtual Machine."
"What type of execution allows a function's heavy part to be passed to your own threads in Apache MXNet's execution engine version 1.9.1?","Asynchronous execution with `AsyncFn`."
"Which Apache project in the Attic shares its name with a popular machine learning framework?","MXNet"
"What method is recommended for building MXNet with C++ package support?","Build from source with the `USE_CPP_PACKAGE=1` option."
"Which framework was Apache Aurora, that moved into the Apache Attic in February 2020, originally designed for managing?","Mesos"
"What action is advised for someone wanting to ask and answer Apache MXNet usage questions?","Create a forum account."
"What are the operating system limitations for using NNPACK with MXNet?","NNPACK only supports Linux and OS X systems; Windows is not supported."
"What is the incubation status of Apache MXNet, and what does it imply about its endorsement by the Apache Software Foundation?","Apache MXNet is currently under incubation, which implies it has not yet been fully endorsed by the Apache Software Foundation."
"What happens to the issue tracker for Apache MetaModel after it moves into the Apache Attic?","The issue tracker becomes read-only."
"What was the mission of Apache Pivot before it moved to the Attic?","Rich Internet applications in Java."
"What was the previous name of the Apache software project Oltu?","Amber"
"Which Apache project mentioned in the document was moved into the Attic in August 2020?","Labs"
"What technique does Apache MXNet use to simplify the process of porting deep learning libraries to smart devices, according to version 1.9.1?","Amalgamation."
"Which Apache project, cited in the provided information, was focused on climate model evaluation and moved into the Attic in October 2020?","Open Climate Workbench"
"What was Apache Lenya primarily used for before it moved into the Apache Attic in April 2015?","Content Management System (CMS)"
"What are the two mechanisms by which an Apache project may enter the Apache Attic?","1. The managing Project Management Committee (PMC) decides to move the project.
2. The Apache Software Foundation's board dissolves the PMC and chooses to move the project."
"What environment variable setting disables multi-threading in Apache MXNet version 1.9.1 for easier debugging?","MXNET_ENGINE_TYPE='NaiveEngine'"
"Which project, previously known as Amber, is listed in the reference document?","Oltu"
"Which project in the list was revived in June 2018?","XMLBeans"
"Which project listed is noted to have been revived in June 2018?","XMLBeans"
"Which function is used for element-wise division in the given list of operations?","elemwise-div"
"How does the use of expression templates in C++ impact runtime overhead compared to Python kernel generation?","No additional runtime overhead."
"Which programming language does the Apache MXNet Clojure package specifically support for seamless tensor and matrix computations?","Clojure"
"How can memory allocation costs be reduced for element-wise operations when the input and output tensors have the same shape?","In-place updates."
"What is the purpose of the `ResourceParallelRandomSetSeed` event during MXNet's operator execution, as described in version 1.9.1?","The `ResourceParallelRandomSetSeed` event initializes the random number generator by setting the seed as part of the MXNet resource manager's startup sequence."
"What action should be taken if the Project Management Committee (PMC) cannot gather sufficient votes to dissolve and move to the Attic?","Inform the board that the vote failed to gather enough votes, noting the situation."
"Which Apache project, based on the Bulk Synchronous Parallel paradigm for Big Data analytics, moved to the Attic in April 2020?","Apache Hama"
"Which Jakarta Taglib project was retired from the Tomcat Taglibs project in 2014?","RDC Taglib"
"Which MXNet issue involves a memory leak when using R optimizers?","MXNET-563"
"What type of resource is requested by operations that need temporary space and how is it identified in the system?","kTempSpace"
"Which version of MXNet first enabled oneDNN by default in its pip packages?","1.7.0"
"What was a key feature of the Jakarta Slide content repository before its retirement?","Full WebDAV support."
"What was the natural successor to Apache HiveMind?","Tapestry IoC"
"What is the role of volunteers in the leadership of the Apache Software Foundation?","The leadership of the Apache Software Foundation is composed entirely of volunteers committed to advancing its mission."
"Which project focused on Google Guice extensions moved into the Apache Attic in January 2016?","Apache Onami"
"What is the main advantage of using an explicit backward path for gradient calculation in deep learning computation graphs?","Reduced memory usage."
"What functions are labeled as experimental within the org.apache.clojure-mxnet.symbol-random-api?","exponential, exponential-like, gamma, gamma-like, generalized-negative-binomial, generalized-negative-binomial-like, multinomial-like, negative-binomial, negative-binomial-like, normal, normal-like, pdf-dirichlet, pdf-exponential, pdf-gamma, pdf-generalized-negative-binomial, pdf-negative-binomial, pdf-normal, pdf-poisson, pdf-uniform, poisson, poisson-like, randint, uniform, uniform-like"
"What is the email address associated with Chris Olivier's Apache code signing key?","cjolivier01@apache.org"
"What is the purpose of using the `retire.py` script when managing Apache projects moving to the Attic?","To generate required changes for retiring a project, such as files and updates for the Apache Attic site."
"What significant change occurred to Apache Any23 in June 2023, and what was its primary focus prior to this change?","Moved to the Apache Attic; focus was on handling RDF data."
"What challenge does a dependency engine face when generating random numbers in parallel?","Random number generators might not be thread-safe and could produce inconsistent results due to internal state mutations when generating numbers in parallel."
"What was the primary focus of the Apache Quetzalcoatl project?","Creation and maintenance of open-source software related to mod_python and the Python programming language."
"Which project listed in the document was revived in June 2018?","XMLBeans"
"What is the key purpose associated with Chris Olivier's PGP Public Key as stated in the UIDs?","CODE SIGNING KEY"
"For which version of Apache MXNet was GPU inference speed improved?","1.1.0"
"What unique feature does Apache MXNet's hybrid front-end offer in terms of transitioning between different computational modes?","Seamless transition between Gluon eager imperative mode and symbolic mode."
"What should you do to obtain edit permission for the Apache MXNet Wiki?","Send a mail to dev@mxnet.apache.org after subscribing."
"Which month and year did Apache Apex move into the Apache Attic?","September 2019"
"What is the primary focus of the Gluon Time Series (GluonTS) toolkit within the MXNet ecosystem?","Probabilistic time series modeling with a focus on deep learning-based models."
"Which specific Apache MXNet Jira issue describes a bug related to memory leaks from R optimizers?","MXNET-563"
"What issue code corresponds to a memory leak problem from R optimizers in Apache MXNet version 1.9.1?","MXNET-563"
"What was Apache Aurora used for before being moved to the Attic?","Apache Aurora was used as a Mesos framework for long-running services, cron jobs, and ad-hoc jobs."
"What platform does Apache MXNet use for tracking issues and larger projects?","JIRA"
"In which month and year was Apache HiveMind moved into the Attic?","April 2009"
"What is a potential challenge faced by dependency engines in parallel processing when dealing with pseudo-random number generators in deep learning applications?","Thread safety and reproducibility."
"Which method specifically relates to the calculation of the Khatri-Rao product?","khatri-rao"
"What is the main difference in the signature of a pre-forward hook compared to a post-forward hook in MXNet Gluon's neural network block, and what should each hook avoid modifying?","Pre-forward hook signature: `hook(block, input)`. Post-forward hook signature: `hook(block, input, output)`. Each hook should avoid modifying the input, and a post-forward hook should also avoid modifying the output."
"What is the unique identifier for the RSA key associated with Anirudh Subramanian, created on April 26, 2018?","6E678509715E3B63CDB2234FF8F33A117CC18E95"
"What paradigm was Apache Hama based on for Big Data analytics?","Bulk Synchronous Parallel paradigm"
"Which function in the mxnet module API for Clojure is responsible for merging gradient inputs?","input-grads-merged"
"What is the mission of Apache REEF in relation to Apache Hadoop YARN or Apache Mesos?","To provide a library for developing portable applications for cluster resource managers such as Apache Hadoop YARN or Apache Mesos."
"Identify two projects from the ""Projects in the Attic"" list that include the term ""Jakarta"".","Jakarta, Jakarta Cactus"
"What quantization method does Apache MXNet support for reducing communication bandwidth during training, and what bit size is used?","Two-bit quantization."
"What is the role of the scheduler in MXNet's distributed training process?","The role of the scheduler in MXNet's distributed training process is to set up the cluster by coordinating node communication."
"What command can be used to ensure OpenCV avoids the `libdc1394 error` when training a CNN on the MNIST dataset using MXNet?","sudo ln /dev/null /dev/raw1394"
"What is the retention time for log file data collected from visitors to the Apache Software Foundation's websites?","90 days"
"Which Apache project designed for data motion and coordination of data pipelines moved into the Attic in June 2019?","Falcon"
"What causes an exception in Apache MXNet when using iterators with mismatched data and label files?","Mismatched data and label files cause an exception during the prefetching phase when a label is not found for a specific sample."
"What is the primary purpose of the `WaitForVar(var)` API in the described system?","To wait for all `Fn`s involving a certain variable to finish."
"How does the MXNet Execution Engine handle the execution of functions with dependencies, and what guarantees does it provide regarding the order of execution?","The MXNet Execution Engine serializes the execution of functions with dependencies based on their push order when they modify a common variable. Functions with no dependencies can be executed in parallel."
"In what programming language does MXNet provide support for flexible and efficient GPU computing as of version 1.9.1?","R"