- Move marketplace_gpu_optimizer.py from legacy to parallel_processing
- Update coordinator-api imports to use new dev/gpu_acceleration location
- Remove legacy folder as code has been refactored
- Fix marketplace_performance.py imports for gpu_acceleration
- Move GPU acceleration code from root to dev/gpu_acceleration/
- No active imports found in production apps, CLI, or scripts
- Contains GPU provider implementations, CUDA kernels, and research code
- Belongs in dev/ as development/research code, not production