TODO.md

# INV Project TODO List

## 1. Import Path Fixes
- [ ] Remove all imports 'INV' namespace 

## 2. HuggingFace Integration
- [x] Fix HuggingFace token handling
- [ ] Implement proper error handling in HuggingFaceDatasetManager
- [ ] Add retry mechanism for dataset operations
- [ ] Create consistent token access method across codebase

## 3. Database Migration

### 3.1 Core Storage Components

#### 3.1.1 Parallel Processing Components
- [ ] parallel_array_distributor.py
  - [ ] Replace LocalStorage with HuggingFaceDatasetManager
  - [ ] Update storage operations:
    - [ ] Replace query_tensors with dataset queries

    - [ ] Convert store_tensor to use HF datasets
    - [ ] Update load_tensor to use dataset access

  - [ ] Implement chunked dataset operations

  - [ ] Add versioning for distributed chunks

  - [ ] Update metadata handling for HF compatibility

- [ ] Replace JSON file storage with HuggingFace datasets

  - [ ] multithread_storage.py (Highest Priority)
    - [ ] Migrate StorageBlock management
    - [ ] Update ThreadPoolExecutor integration
    - [ ] Convert DuckDB operations to HF datasets
  - [ ] tensor_storage.py

    - [ ] Update TensorOps serialization

    - [ ] Implement HF dataset tensor storage

  - [ ] http_storage.py
    - [ ] Replace LocalStorage implementation
    - [ ] Update remote storage handlers

### 3.2 Memory Management
- [ ] Update memory hierarchy implementations
  - [ ] gpu_arch.py

    - [ ] Migrate SharedMemory

    - [ ] Update L1Cache implementation

    - [ ] Convert GlobalMemory to HF datasets

  - [ ] virtual_vram.py (complete migration)
  - [ ] streaming_multiprocessor.py

  - [ ] gpu_chip.py

### 3.3 Helium Framework
- [ ] Update Helium components
  - [ ] modality_aware_tensor_core.py

    - [ ] Migrate storage backend

    - [ ] Update modality handling

  - [ ] decoder.py

    - [ ] Convert DecoderCache to HF

    - [ ] Update HeliumDBManager

  - [ ] encoder.py

    - [ ] Migrate EncoderCache

    - [ ] Update state management

  - [ ] transform3d.py

    - [ ] Convert geometry caching

  - [ ] activations.py

    - [ ] Migrate DuckDBCache



### 3.4 Infrastructure

- [ ] Update infrastructure components

  - [ ] visual_server.py
    - [ ] Convert storage stats
    - [ ] Update dashboard data
  - [ ] http_server.py

    - [ ] Migrate CacheRequest/Response

  - [ ] ai_http.py
    - [ ] Update AI acceleration storage

### 3.5 CPU Components
- [ ] Migrate CPU-related storage
  - [ ] cpu_grid_manager.py
    - [ ] Convert DuckDB operations
  - [ ] cpu/db_example.py

    - [ ] Update example implementations

  - [ ] cpu/enhanced_cpu.py
    - [ ] Migrate CPU state storage

### 3.6 Advanced Features
- [ ] Implement on-demand data loading/saving
  - [ ] Lazy loading for large tensors
  - [ ] Streaming support for datasets
  - [ ] Caching strategy implementation
- [ ] Add data versioning support
  - [ ] Dataset version tracking
  - [ ] Migration scripts
  - [ ] Rollback capability

## 4. Code Structure Improvements
- [ ] Implement proper singleton pattern for dataset management
- [ ] Add thread safety mechanisms for concurrent access
- [ ] Create centralized configuration management
- [ ] Implement robust error handling for database operations

## 5. Testing and Validation
- [ ] Create comprehensive test suite for dataset operations
- [ ] Verify data consistency across operations
- [ ] Test concurrent access scenarios
- [ ] Validate proper cleanup of resources

## 6. Environment Configuration
- [ ] Set up proper PYTHONPATH configuration
- [ ] Create consistent environment variable management
- [ ] Document required environment setup
- [ ] Add validation for required credentials

## 7. Performance Optimization
- [ ] Implement efficient caching mechanisms
- [ ] Optimize dataset chunking for large data
- [ ] Add compression for data transfer
- [ ] Implement batch operations for better performance

## 8. Documentation
- [ ] Document new dataset integration
- [ ] Update API documentation
- [ ] Create migration guide
- [ ] Add troubleshooting guide

## 9. Security
- [ ] Implement secure token storage
- [ ] Add access control mechanisms
- [ ] Implement proper credential management
- [ ] Add audit logging for sensitive operations

## 10. Cleanup
- [ ] Remove deprecated JSON storage code
- [ ] Clean up unused imports
- [ ] Remove redundant configuration
- [ ] Update requirements.txt with new dependencies

## Notes
- Priority should be given to import path fixes and HuggingFace integration as they are foundational
- All tasks should be implemented with proper error handling and testing
- Documentation should be updated as changes are made