Backward pass CUDA kernels for fused GEMM+Bias+GeLU on SM75 (Turing). Float4 vectorized WMMA kernels validated against PyTorch autograd. 3.1x faster than autograd at M=1024. 24/24 tests passing.

Compiler MVP that detects Transformer fusion patterns, generates optimized CUDA kernels with WMMA Tensor Cores, and executes them on real GPU hardware — 10.5 TFLOPs on RTX 2070, correctness validated against PyTorch.

FlashAttention v1 forward pass in CUDA for NVIDIA Turing (SM75)