├── .clang-format ├── .gitignore ├── README.md ├── flash_attention └── __init__.py ├── kernel_sass ├── 1.asm ├── 10_A100.asm ├── 10_RTX3090.asm ├── 11_A100.asm ├── 11_RTX3090.asm ├── 12_A100.asm ├── 12_RTX3090.asm ├── 13_A100.asm ├── 13_RTX3090.asm ├── 14_A100.asm ├── 14_RTX3090.asm ├── 15_A100.asm ├── 15_RTX3090.asm ├── 16_A100.asm ├── 16_RTX3090.asm ├── 2.asm ├── 3.asm ├── 4.asm ├── 5.asm ├── 6.asm ├── 7_128_32_swizzling.asm ├── 7_64_64_no_swizzling.asm ├── 7_64_64_swizzling.asm ├── 8_64_64_no_swizzling.asm ├── 8_64_64_swizzling.asm ├── 8_A100.asm ├── 8_RTX3090.asm ├── 9_A100.asm └── 9_RTX3090.asm ├── previous_kernels ├── src_1-7 │ ├── flash_attention.cu │ └── include │ │ ├── common.h │ │ ├── cuda_utils.cuh │ │ ├── debug.cuh │ │ ├── flash_attention.cuh │ │ ├── flash_kernels.cuh │ │ ├── forward_kernel.cuh │ │ ├── gemm.cuh │ │ ├── load_store.cuh │ │ ├── ptx_functions.cuh │ │ ├── softmax.cuh │ │ ├── static_kernel_configuration.cuh │ │ ├── swizzling.cuh │ │ ├── tensor.cuh │ │ └── utils.h ├── src_10 │ ├── flash_attention.cu │ └── include │ │ ├── array.cuh │ │ ├── common.h │ │ ├── cuda_utils.cuh │ │ ├── debug.cuh │ │ ├── flash_attention.cuh │ │ ├── flash_kernels.cuh │ │ ├── forward_kernel.cuh │ │ ├── gemm.cuh │ │ ├── layout.cuh │ │ ├── load_store.cuh │ │ ├── ptx_functions.cuh │ │ ├── softmax.cuh │ │ ├── static_kernel_configuration.cuh │ │ ├── swizzling.cuh │ │ ├── tensor.cuh │ │ ├── tensor_view.cuh │ │ └── utils.h ├── src_11 │ ├── flash_attention.cu │ └── include │ │ ├── array.cuh │ │ ├── common.h │ │ ├── cuda_utils.cuh │ │ ├── debug.cuh │ │ ├── flash_attention.cuh │ │ ├── flash_kernels.cuh │ │ ├── forward_kernel.cuh │ │ ├── gemm.cuh │ │ ├── layout.cuh │ │ ├── load_store.cuh │ │ ├── ptx_functions.cuh │ │ ├── softmax.cuh │ │ ├── static_kernel_configuration.cuh │ │ ├── swizzling.cuh │ │ ├── tensor.cuh │ │ ├── tensor_view.cuh │ │ └── utils.h ├── src_12 │ ├── flash_attention.cu │ └── include │ │ ├── array.cuh │ │ ├── common.h │ │ ├── cuda_utils.cuh │ │ ├── debug.cuh │ │ ├── flash_attention.cuh │ │ ├── flash_kernels.cuh │ │ ├── forward_kernel.cuh │ │ ├── gemm.cuh │ │ ├── layout.cuh │ │ ├── load_store.cuh │ │ ├── ptx_functions.cuh │ │ ├── softmax.cuh │ │ ├── static_kernel_configuration.cuh │ │ ├── swizzling.cuh │ │ ├── tensor.cuh │ │ ├── tensor_view.cuh │ │ └── utils.h ├── src_13 │ ├── flash_attention.cu │ └── include │ │ ├── array.cuh │ │ ├── common.h │ │ ├── cuda_utils.cuh │ │ ├── debug.cuh │ │ ├── flash_attention.cuh │ │ ├── flash_kernels.cuh │ │ ├── forward_kernel.cuh │ │ ├── gemm.cuh │ │ ├── layout.cuh │ │ ├── load_store.cuh │ │ ├── ptx_functions.cuh │ │ ├── softmax.cuh │ │ ├── static_kernel_configuration.cuh │ │ ├── swizzling.cuh │ │ ├── tensor.cuh │ │ ├── tensor_view.cuh │ │ └── utils.h ├── src_14 │ ├── flash_attention.cu │ └── include │ │ ├── array.cuh │ │ ├── common.h │ │ ├── cuda_utils.cuh │ │ ├── debug.cuh │ │ ├── flash_attention.cuh │ │ ├── flash_kernels.cuh │ │ ├── forward_kernel.cuh │ │ ├── gemm.cuh │ │ ├── layout.cuh │ │ ├── load_store.cuh │ │ ├── ptx_functions.cuh │ │ ├── softmax.cuh │ │ ├── static_kernel_configuration.cuh │ │ ├── swizzling.cuh │ │ ├── tensor.cuh │ │ ├── tensor_view.cuh │ │ └── utils.h ├── src_15 │ ├── flash_attention.cu │ └── include │ │ ├── array.cuh │ │ ├── common.h │ │ ├── cuda_utils.cuh │ │ ├── debug.cuh │ │ ├── flash_attention.cuh │ │ ├── flash_kernels.cuh │ │ ├── forward_kernel.cuh │ │ ├── gemm.cuh │ │ ├── layout.cuh │ │ ├── load_store.cuh │ │ ├── ptx_functions.cuh │ │ ├── softmax.cuh │ │ ├── static_kernel_configuration.cuh │ │ ├── swizzling.cuh │ │ ├── tensor.cuh │ │ ├── tensor_view.cuh │ │ └── utils.h ├── src_8 │ ├── flash_attention.cu │ └── include │ │ ├── array.cuh │ │ ├── common.h │ │ ├── cuda_utils.cuh │ │ ├── debug.cuh │ │ ├── flash_attention.cuh │ │ ├── flash_kernels.cuh │ │ ├── forward_kernel.cuh │ │ ├── gemm.cuh │ │ ├── layout.cuh │ │ ├── load_store.cuh │ │ ├── ptx_functions.cuh │ │ ├── softmax.cuh │ │ ├── static_kernel_configuration.cuh │ │ ├── swizzling.cuh │ │ ├── tensor.cuh │ │ ├── tensor_view.cuh │ │ └── utils.h └── src_9 │ ├── flash_attention.cu │ └── include │ ├── array.cuh │ ├── common.h │ ├── cuda_utils.cuh │ ├── debug.cuh │ ├── flash_attention.cuh │ ├── flash_kernels.cuh │ ├── forward_kernel.cuh │ ├── gemm.cuh │ ├── layout.cuh │ ├── load_store.cuh │ ├── ptx_functions.cuh │ ├── softmax.cuh │ ├── static_kernel_configuration.cuh │ ├── swizzling.cuh │ ├── tensor.cuh │ ├── tensor_view.cuh │ └── utils.h ├── py ├── flash_helpers │ ├── __init__.py │ ├── build │ │ ├── ptx_instruction.py │ │ └── ptx_sass.py │ ├── kernel_configs.py │ └── test │ │ ├── __init__.py │ │ ├── test.py │ │ └── utils.py └── setup.py ├── setup.py ├── src ├── flash_attention.cu └── include │ ├── array.cuh │ ├── common.h │ ├── cuda_utils.cuh │ ├── debug.cuh │ ├── flash_attention.cuh │ ├── flash_kernels.cuh │ ├── forward_kernel.cuh │ ├── gemm.cuh │ ├── layout.cuh │ ├── load_store.cuh │ ├── ptx_functions.cuh │ ├── softmax.cuh │ ├── static_kernel_configuration.cuh │ ├── swizzling.cuh │ ├── tensor.cuh │ ├── tensor_view.cuh │ └── utils.h └── tools ├── analysis ├── compare_sass_instruction_counts.py ├── count_sass_instructions.sh └── ptx_sass_filter.py ├── benchmark ├── benchmark_autotune.sh ├── ncu_bench.py ├── pt_bench.py └── run_kernels.py ├── build ├── clean_asm.sh ├── extract_sass.py ├── generate_kernel_instantiations.py ├── get_embedded_ptx_from_cubin.py ├── parse_ptx_build.py └── pip_install_with_logs.sh └── debug ├── check_race.sh ├── debug.py └── sanity_check.py /.clang-format: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sonnyli/flash_attention_from_scratch/HEAD/.clang-format -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sonnyli/flash_attention_from_scratch/HEAD/.gitignore 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