candle/candle-flash-attn/kernels/flash_fwd_hdim32_fp16_sm80.cu

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// Copyright (c) 2023, Tri Dao.
// Splitting the different head dimensions to different files to speed up compilation.
#include "flash_fwd_launch_template.h"
// template<>
// void run_mha_fwd_<cutlass::half_t, 32>(Flash_fwd_params &params, cudaStream_t stream) {
// using elem_type = cutlass::half_t;
// BOOL_SWITCH(params.p_dropout < 1.f, Is_dropout, [&] {
// run_flash_fwd<Flash_fwd_kernel_traits<32, 128, 128, 4, false, false, elem_type>, Is_dropout>(params, stream);
// // For dropout there might be a lot of register spilling?
// // These two are very slow due to register spilling
// // run_flash_fwd<Flash_fwd_kernel_traits<32, 256, 128, 4, false, elem_type>>(params, stream);
// // run_flash_fwd<Flash_fwd_kernel_traits<32, 128, 256, 4, false, elem_type>>(params, stream);
// // This one is slightly slower
// // run_flash_fwd<Flash_fwd_kernel_traits<32, 256, 64, 4, false, elem_type>>(params, stream);
// });
// }
template<>
void run_mha_fwd_<cutlass::half_t, 32>(Flash_fwd_params &params, cudaStream_t stream) {
run_mha_fwd_hdim32<cutlass::half_t>(params, stream);
}