Files
TinyTorch/tests
Vijay Janapa Reddi c7dbf68dcf Fix training pipeline: Parameter class, Variable.sum(), gradient handling
Major fixes for complete training pipeline functionality:

Core Components Fixed:
- Parameter class: Now wraps Variables with requires_grad=True for proper gradient tracking
- Variable.sum(): Essential for scalar loss computation from multi-element tensors
- Gradient handling: Fixed memoryview issues in autograd and activations
- Tensor indexing: Added __getitem__ support for weight inspection

Training Results:
- XOR learning: 100% accuracy (4/4) - network successfully learns XOR function
- Linear regression: Weight=1.991 (target=2.0), Bias=0.980 (target=1.0)
- Integration tests: 21/22 passing (95.5% success rate)
- Module tests: All individual modules passing
- General functionality: 4/5 tests passing with core training working

Technical Details:
- Fixed gradient data access patterns throughout activations.py
- Added safe memoryview handling in Variable.backward()
- Implemented proper Parameter-Variable delegation
- Added Tensor subscripting for debugging access(https://claude.ai/code)
2025-09-28 19:14:11 -04:00
..
2025-07-15 10:03:05 -04:00

🧪 TinyTorch Integration Tests

⚠️ CRITICAL DIRECTORY - DO NOT DELETE

This directory contains 17 integration test files that verify cross-module functionality across the entire TinyTorch system. These tests represent significant development effort and are essential for:

  • Module integration validation
  • Cross-component compatibility
  • Real-world ML pipeline testing
  • System-level regression detection

📁 Test Structure

  • test_*_integration.py - Cross-module integration tests
  • test_utils.py - Shared testing utilities
  • test_integration_report.md - Test documentation

🧪 Integration Test Coverage

Foundation Integration

  • test_tensor_activations_integration.py - Tensor + Activations
  • test_layers_networks_integration.py - Layers + Dense Networks
  • test_tensor_autograd_integration.py - Tensor + Autograd

Architecture Integration

  • test_tensor_attention_integration.py - NEW: Tensor + Attention mechanisms
  • test_attention_pipeline_integration.py - NEW: Complete transformer-like pipelines
  • test_tensor_cnn_integration.py - Tensor + Spatial/CNN
  • test_cnn_networks_integration.py - Spatial + Dense Networks
  • test_cnn_pipeline_integration.py - Complete CNN pipelines

Training & Data Integration

  • test_dataloader_tensor_integration.py - DataLoader + Tensor
  • test_training_integration.py - Complete training workflows
  • test_ml_pipeline_integration.py - End-to-end ML pipelines

Inference Serving Integration

  • test_compression_integration.py - Model compression
  • test_kernels_integration.py - Custom operations
  • test_benchmarking_integration.py - Performance measurement
  • test_mlops_integration.py - Deployment and serving

🔧 Usage

# Run all integration tests
pytest tests/ -v

# Run specific module integration
pytest tests/test_tensor_attention_integration.py -v
pytest tests/test_attention_pipeline_integration.py -v

# Run attention-related tests
pytest tests/ -k "attention" -v

🚨 Recovery Instructions

If accidentally deleted:

git checkout HEAD -- tests/
git status  # Verify recovery

📊 Test Coverage

These integration tests complement the inline tests in each module's *_dev.py files, providing comprehensive system validation with focus on:

  • Real component integration (not mocks)
  • Cross-module compatibility
  • Realistic ML workflows (classification, seq2seq, transformers)
  • Performance and scalability