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- edge
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- text-generation
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pipeline_tag: text-generation
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---
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# LFM2.5-230M — Torq build (Synaptics
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to run on the
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combines short convolutions with grouped-query attention. The transformer runs on the
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NPU in bf16; the token embeddings run on the host CPU.
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##
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| File | Size | Role |
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The `onnx/` export is provided for reference / portability to other runtimes.
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## Model
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- **Architecture:** LFM2 (`Lfm2ForCausalLM`) — hybrid short-convolution + grouped-query attention.
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- **Hidden size:** 1024 · **Layers:** 14 · **Attention heads:** 16 (8 KV heads, GQA) · **Intermediate size:** 2560.
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- **Precision:** bf16 on the NPU.
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- **Target:** Synaptics SL2619, compiled with the Torq compiler.
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##
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## License
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base_model:
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- LiquidAI/LFM2.5-230M
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pipeline_tag: text-generation
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---
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# LFM2.5-230M — Torq build (Synaptics SL2610-Series Torq NPU)
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This repository provides compiled model files for LiquidAI's LFM2.5 230M text language model, ready
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to run on the **Synaptics SL2610-series Torq NPU**.
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## Model Overview
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LFM2.5-230M is a general-purpose text-only model. It is a hybrid architecture that combines short convolutions with grouped-query attention.
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The transformer runs on the Torq NPU in bf16; the token embeddings run on the host CPU.
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## Model Features
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### Contents
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| File | Size | Role |
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The `onnx/` export is provided for reference / portability to other runtimes.
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### Model Details
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- **Architecture:** LFM2 (`Lfm2ForCausalLM`) — hybrid short-convolution + grouped-query attention.
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- **Hidden size:** 1024 · **Layers:** 14 · **Attention heads:** 16 (8 KV heads, GQA) · **Intermediate size:** 2560.
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- **Precision:** bf16 on the NPU.
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- **Target:** Synaptics SL2619, compiled with the Torq compiler.
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## Tested Platforms
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- [Synaptics Astra™ Machina SL2619 2GB](https://www.synaptics.com/products/embedded-processors/astra-machina-foundation-series)
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## Metrics
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| Platform | Model / Stage | Environment | NPU Clock | Inference Time | Infer / s |
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| --------- | --------- | --------- | --------- | --------- | --------- |
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| SL2619 2GB | LFM2.5-230M | Torq v2.0.0 | 1 GHz | TBD | 7.1 |
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## Deployment
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The models have been tested with the following environment.
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- Torq Compiler: *v2.0.0*
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- Torq Runtime: *v2.0.0* included in Astra SDK release *scarthgap_6.12_v2.4.0*
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### Usage Tutorials / Example Apps
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A usage example is provided in the [Torq Examples / LiquidAI-VLM](https://github.com/synaptics-torq/torq-examples/tree/main/liquidAI-VLM).
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Check out the [README](https://github.com/synaptics-torq/torq-examples/blob/main/liquidAI-VLM/README.md) for instructions.
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Usage Notes:
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- Place the model files in a directory and invoke the Torq LLM runner with either `model.vmfb` (monolithic) or `body.vmfb` + `lm_head.vmfb` (split, lower TTFT), alongside `token_embeddings.npy`, `config.json`, and `tokenizer.json`.
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## License
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Thie files herein were derived from LiquidAI's LFM2.5 230M and distributed under LiquidAI's **LFM Open License v1.0** — see [LiquidAI on Hugging Face](https://huggingface.co/LiquidAI) for the full terms.
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## Learn More
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- [Synaptics AI Developer Zone](https://developer.synaptics.com?utm_source=hf): Get started with documentation, tutorials and resources for your Edge AI journey.
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- [Torq Compiler Documentation](https://synaptics-torq.github.io/torq-compiler/v/latest/): Learn more about the Torq compiler based on MLIR and IREE.
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- [Synaptics Astra SDK](https://synaptics-astra.github.io/doc/v/latest/): Learn more about the Yocto Project-based Linux software available for Astra SL processors.
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- [Astra Support Portal](https://synacsm.atlassian.net/servicedesk/customer/portal/543?utm_source=hf): Connect with our engineering team and community.
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