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2ce5f12513
* Again set a few extra params. * Use the appropriate kernel sizes. * Add all the kernel sizes. * Parallel compiling. * Reduce the amount of parallelism. * Add the missing kernel. * Fix a typo. * Remove bf16 support for now.
23 lines
1.1 KiB
Plaintext
23 lines
1.1 KiB
Plaintext
// Copyright (c) 2023, Tri Dao.
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// Splitting the different head dimensions to different files to speed up compilation.
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#include "flash_fwd_launch_template.h"
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// template<>
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// void run_mha_fwd_<cutlass::half_t, 32>(Flash_fwd_params ¶ms, cudaStream_t stream) {
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// using elem_type = cutlass::half_t;
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// BOOL_SWITCH(params.p_dropout < 1.f, Is_dropout, [&] {
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// run_flash_fwd<Flash_fwd_kernel_traits<32, 128, 128, 4, false, false, elem_type>, Is_dropout>(params, stream);
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// // For dropout there might be a lot of register spilling?
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// // These two are very slow due to register spilling
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// // run_flash_fwd<Flash_fwd_kernel_traits<32, 256, 128, 4, false, elem_type>>(params, stream);
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// // run_flash_fwd<Flash_fwd_kernel_traits<32, 128, 256, 4, false, elem_type>>(params, stream);
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// // This one is slightly slower
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// // run_flash_fwd<Flash_fwd_kernel_traits<32, 256, 64, 4, false, elem_type>>(params, stream);
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// });
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// }
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template<>
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void run_mha_fwd_<cutlass::half_t, 32>(Flash_fwd_params ¶ms, cudaStream_t stream) {
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run_mha_fwd_hdim32<cutlass::half_t>(params, stream);
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} |