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flash-attention/csrc/layer_norm/ln_bwd_semi_cuda_kernel.cu

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#include "ln.h"
#include "ln_utils.cuh"
#include "ln_kernel_traits.h"
#include "ln_bwd_kernels.cuh"
#include "static_switch.h"
using namespace layer_norm;
template<
typename weight_t,
typename input_t,
typename residual_t,
typename output_t,
typename compute_t,
typename index_t,
int HIDDEN_SIZE,
int CTAS_PER_ROW,
int WARPS_M,
int WARPS_N,
int BYTES_PER_LDG_MAIN,
int BYTES_PER_LDG_FINAL
>
void launch_(LaunchParams<BwdParams> &launch_params, const bool configure_params, const bool prenorm){
using Kernel_traits = Kernel_traits<weight_t,
input_t,
residual_t,
output_t,
compute_t,
index_t,
HIDDEN_SIZE,
CTAS_PER_ROW,
WARPS_M,
WARPS_N,
BYTES_PER_LDG_MAIN
>;
bool is_dropout = launch_params.params.dropout_keep_p < 1.f;
bool has_residual = launch_params.params.dx1 != nullptr;
bool has_rowscale = launch_params.params.rowscale != nullptr;
BOOL_SWITCH(prenorm, PrenormConst, [&] {
BOOL_SWITCH(is_dropout, IsDropoutConst, [&] {
BOOL_SWITCH(has_residual, HasResidualConst, [&] {
BOOL_SWITCH(has_rowscale, HasRowscaleConst, [&] {
auto kernel = &ln_bwd_kernel<Kernel_traits, PrenormConst, IsDropoutConst, HasResidualConst, HasRowscaleConst>;
if( configure_params ) {
int ctas_per_sm;
CHECK_CUDA(cudaOccupancyMaxActiveBlocksPerMultiprocessor(
&ctas_per_sm, kernel, Kernel_traits::THREADS_PER_CTA, Kernel_traits::SMEM_BYTES));
launch_params.params.ctas_per_col = launch_params.props->multiProcessorCount * ctas_per_sm / Kernel_traits::CTAS_PER_ROW;
launch_params.barrier_size = 0;
launch_params.workspace_bytes = 0;
if(Kernel_traits::CTAS_PER_ROW > 1) {
launch_params.barrier_size = 2 * launch_params.params.ctas_per_col;
launch_params.workspace_bytes = launch_params.params.ctas_per_col
* Kernel_traits::WARPS_M
* Kernel_traits::CTAS_PER_ROW
* sizeof(typename Kernel_traits::reduce_t)
* 2;
}
return;
}
if( Kernel_traits::SMEM_BYTES >= 48 * 1024 ) {
CHECK_CUDA(cudaFuncSetAttribute(kernel, cudaFuncAttributeMaxDynamicSharedMemorySize, Kernel_traits::SMEM_BYTES));
}
auto stream = launch_params.stream;
auto ctas_per_col = launch_params.params.ctas_per_col;
if( Kernel_traits::CTAS_PER_ROW == 1 ) {
kernel<<<ctas_per_col, Kernel_traits::THREADS_PER_CTA, Kernel_traits::SMEM_BYTES, stream>>>(launch_params.params);
} else {
dim3 grid(Kernel_traits::CTAS_PER_ROW * ctas_per_col);
dim3 block(Kernel_traits::THREADS_PER_CTA);
void *params_ = (void *)&launch_params.params;
cudaLaunchCooperativeKernel((void *)kernel, grid, block, (void **)&params_, Kernel_traits::SMEM_BYTES, stream);
}
using Kernel_traits_f = layer_norm::Kernel_traits_finalize<HIDDEN_SIZE,
weight_t,
input_t,
residual_t,
output_t,
compute_t,
index_t,
32 * 32, // THREADS_PER_CTA
BYTES_PER_LDG_FINAL>;
auto kernel_f = &layer_norm::ln_bwd_finalize_kernel<Kernel_traits_f>;
kernel_f<<<Kernel_traits_f::CTAS, Kernel_traits_f::THREADS_PER_CTA, 0, stream>>>(launch_params.params);
});
});
});
});
}
// Create backward launch function and register. Macro signature:
// HIDDEN_SIZE, WTYPE, ITYPE, RTYPE, OTYPE, CTYPE, CTAS_PER_ROW, WARPS_M, WARPS_N, BYTES_PER_LDG, BYTES_PER_LDG_FINAL
REGISTER_BWD_LAUNCHER( 768, fp32, fp32, fp32, fp32, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 768, fp16, fp32, fp32, fp32, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 768, fp32, fp16, fp32, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 768, fp16, fp16, fp32, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 768, fp32, fp16, fp16, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 768, fp32, bf16, fp32, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 768, bf16, bf16, fp32, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 768, fp32, bf16, bf16, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 768, fp16, fp16, fp16, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 768, bf16, bf16, bf16, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, fp32, fp32, fp32, fp32, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, fp16, fp32, fp32, fp32, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, fp32, fp16, fp32, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, fp16, fp16, fp32, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, fp32, fp16, fp16, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, fp32, bf16, fp32, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, bf16, bf16, fp32, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, fp32, bf16, bf16, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, fp16, fp16, fp16, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1024, bf16, bf16, bf16, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, fp32, fp32, fp32, fp32, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, fp16, fp32, fp32, fp32, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, fp32, fp16, fp32, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, fp16, fp16, fp32, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, fp32, fp16, fp16, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, fp32, bf16, fp32, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, bf16, bf16, fp32, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, fp32, bf16, bf16, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, fp16, fp16, fp16, fp16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1280, bf16, bf16, bf16, bf16, fp32, 1, 4, 1, 16, 4);
REGISTER_BWD_LAUNCHER( 1536, fp32, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 1536, fp16, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 1536, fp32, fp16, fp32, fp16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 1536, fp16, fp16, fp32, fp16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 1536, fp32, fp16, fp16, fp16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 1536, fp32, bf16, fp32, bf16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 1536, bf16, bf16, fp32, bf16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 1536, fp32, bf16, bf16, bf16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 1536, fp16, fp16, fp16, fp16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 1536, bf16, bf16, bf16, bf16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 1600, fp32, fp32, fp32, fp32, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 1600, fp16, fp32, fp32, fp32, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 1600, fp32, fp16, fp32, fp16, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 1600, fp16, fp16, fp32, fp16, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 1600, fp32, fp16, fp16, fp16, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 1600, fp32, bf16, fp32, bf16, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 1600, bf16, bf16, fp32, bf16, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 1600, fp32, bf16, bf16, bf16, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 1600, fp16, fp16, fp16, fp16, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 1600, bf16, bf16, bf16, bf16, fp32, 1, 2, 1, 4, 4);
REGISTER_BWD_LAUNCHER( 2048, fp32, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2048, fp16, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2048, fp32, fp16, fp32, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2048, fp16, fp16, fp32, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2048, fp32, fp16, fp16, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2048, fp32, bf16, fp32, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2048, bf16, bf16, fp32, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2048, fp32, bf16, bf16, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2048, fp16, fp16, fp16, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2048, bf16, bf16, bf16, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2560, fp32, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2560, fp16, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 2560, fp32, fp16, fp32, fp16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 2560, fp16, fp16, fp32, fp16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 2560, fp32, fp16, fp16, fp16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 2560, fp32, bf16, fp32, bf16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 2560, bf16, bf16, fp32, bf16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 2560, fp32, bf16, bf16, bf16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 2560, fp16, fp16, fp16, fp16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 2560, bf16, bf16, bf16, bf16, fp32, 1, 1, 4, 8, 4);
REGISTER_BWD_LAUNCHER( 3072, fp32, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 3072, fp16, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 3072, fp32, fp16, fp32, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 3072, fp16, fp16, fp32, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 3072, fp32, fp16, fp16, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 3072, fp32, bf16, fp32, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 3072, bf16, bf16, fp32, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 3072, fp32, bf16, bf16, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 3072, fp16, fp16, fp16, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 3072, bf16, bf16, bf16, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, fp32, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, fp16, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, fp32, fp16, fp32, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, fp16, fp16, fp32, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, fp32, fp16, fp16, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, fp32, bf16, fp32, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, bf16, bf16, fp32, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, fp32, bf16, bf16, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, fp16, fp16, fp16, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 4096, bf16, bf16, bf16, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, fp32, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, fp16, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, fp32, fp16, fp32, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, fp16, fp16, fp32, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, fp32, fp16, fp16, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, fp32, bf16, fp32, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, bf16, bf16, fp32, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, fp32, bf16, bf16, bf16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, fp16, fp16, fp16, fp16, fp32, 1, 1, 4, 16, 4);
REGISTER_BWD_LAUNCHER( 5120, bf16, bf16, bf16, bf16, fp32, 1, 1, 4, 16, 4);
// TD [2022-04-22] Disable most of these to speed up compile time
// REGISTER_BWD_LAUNCHER( 1536, fp32, fp32, fp32, fp32, fp32, 1, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER( 1536, fp32, fp16, fp32, fp16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 1536, fp32, fp16, fp16, fp16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 1536, fp32, bf16, fp32, bf16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 1536, fp32, bf16, bf16, bf16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 1536, fp16, fp16, fp16, fp16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 1536, bf16, bf16, bf16, bf16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 2304, fp32, fp32, fp32, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 2304, fp16, fp16, fp16, fp32, 1, 1, 4, 4, 4);
// REGISTER_BWD_LAUNCHER( 2304, fp16, fp32, fp16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 2304, bf16, bf16, bf16, fp32, 1, 1, 4, 4, 4);
// REGISTER_BWD_LAUNCHER( 2304, bf16, fp32, bf16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 3840, fp32, fp32, fp32, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 3840, fp16, fp16, fp16, fp32, 1, 1, 4, 4, 4);
// REGISTER_BWD_LAUNCHER( 3840, fp16, fp32, fp16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 3840, bf16, bf16, bf16, fp32, 1, 1, 4, 4, 4);
// REGISTER_BWD_LAUNCHER( 3840, bf16, fp32, bf16, fp32, 1, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER( 6144, fp32, fp32, fp32, fp32, 1, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER( 6144, fp16, fp16, fp16, fp32, 1, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER( 6144, fp16, fp32, fp16, fp32, 1, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER( 6144, bf16, bf16, bf16, fp32, 1, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER( 6144, bf16, fp32, bf16, fp32, 1, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER( 8192, fp32, fp32, fp32, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER( 8192, fp16, fp16, fp16, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER( 8192, fp16, fp32, fp16, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER( 8192, bf16, bf16, bf16, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER( 8192, bf16, fp32, bf16, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(10240, fp32, fp32, fp32, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(10240, fp16, fp16, fp16, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(10240, fp16, fp32, fp16, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(10240, bf16, bf16, bf16, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(10240, bf16, fp32, bf16, fp32, 2, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(12288, fp32, fp32, fp32, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(12288, fp16, fp16, fp16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(12288, fp16, fp32, fp16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(12288, bf16, bf16, bf16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(12288, bf16, fp32, bf16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(12800, fp32, fp32, fp32, fp32, 5, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(12800, fp16, fp16, fp16, fp32, 5, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER(12800, fp16, fp32, fp16, fp32, 5, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(12800, bf16, bf16, bf16, fp32, 5, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER(12800, bf16, fp32, bf16, fp32, 5, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(15360, fp32, fp32, fp32, fp32, 4, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER(15360, fp16, fp16, fp16, fp32, 4, 1, 4, 4, 4);
// REGISTER_BWD_LAUNCHER(15360, fp16, fp32, fp16, fp32, 4, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER(15360, bf16, bf16, bf16, fp32, 4, 1, 4, 4, 4);
// REGISTER_BWD_LAUNCHER(15360, bf16, fp32, bf16, fp32, 4, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER(16384, fp32, fp32, fp32, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(16384, fp16, fp16, fp16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(16384, fp16, fp32, fp16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(16384, bf16, bf16, bf16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(16384, bf16, fp32, bf16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(18432, fp32, fp32, fp32, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(18432, fp16, fp16, fp16, fp32, 4, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER(18432, fp16, fp32, fp16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(18432, bf16, bf16, bf16, fp32, 4, 1, 4, 8, 4);
// REGISTER_BWD_LAUNCHER(18432, bf16, fp32, bf16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(20480, fp32, fp32, fp32, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(20480, fp16, fp16, fp16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(20480, fp16, fp32, fp16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(20480, bf16, bf16, bf16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(20480, bf16, fp32, bf16, fp32, 4, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(24576, fp32, fp32, fp32, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(24576, fp16, fp16, fp16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(24576, fp16, fp32, fp16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(24576, bf16, bf16, bf16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(24576, bf16, fp32, bf16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(25600, fp32, fp32, fp32, fp32, 5, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(25600, fp16, fp16, fp16, fp32, 5, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(25600, fp16, fp32, fp16, fp32, 5, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(25600, bf16, bf16, bf16, fp32, 5, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(25600, bf16, fp32, bf16, fp32, 5, 1, 4, 16, 4);
// REGISTER_BWD_LAUNCHER(30720, fp32, fp32, fp32, fp32, 4, 1, 8, 8, 4);
// REGISTER_BWD_LAUNCHER(30720, fp16, fp16, fp16, fp32, 4, 1, 8, 4, 4);
// REGISTER_BWD_LAUNCHER(30720, fp16, fp32, fp16, fp32, 4, 1, 8, 8, 4);
// REGISTER_BWD_LAUNCHER(30720, bf16, bf16, bf16, fp32, 4, 1, 8, 4, 4);
// REGISTER_BWD_LAUNCHER(30720, bf16, fp32, bf16, fp32, 4, 1, 8, 8, 4);
// REGISTER_BWD_LAUNCHER(32768, fp32, fp32, fp32, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(32768, fp16, fp16, fp16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(32768, fp16, fp32, fp16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(32768, bf16, bf16, bf16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(32768, bf16, fp32, bf16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(40960, fp32, fp32, fp32, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(40960, fp16, fp16, fp16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(40960, fp16, fp32, fp16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(40960, bf16, bf16, bf16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(40960, bf16, fp32, bf16, fp32, 4, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(49152, fp32, fp32, fp32, fp32, 8, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(49152, fp16, fp16, fp16, fp32, 8, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(49152, fp16, fp32, fp16, fp32, 8, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(49152, bf16, bf16, bf16, fp32, 8, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(49152, bf16, fp32, bf16, fp32, 8, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(65536, fp32, fp32, fp32, fp32, 8, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(65536, fp16, fp16, fp16, fp32, 8, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(65536, fp16, fp32, fp16, fp32, 8, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(65536, bf16, bf16, bf16, fp32, 8, 1, 8, 16, 4);
// REGISTER_BWD_LAUNCHER(65536, bf16, fp32, bf16, fp32, 8, 1, 8, 16, 4);
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