4db6a6140e
* ex42: Fused MHA imported from xFormers * Remove std:: references * Support K>128 in the example * Support causal option * Support different head size for V, and different seqlength for KV * Update FLOPS counter * Remove bit_cast * fix build: Replace M_LOG2E * Add doc * Revert "Remove bit_cast" This reverts commit 9662fa86bb7c57c1a015ac0bf52cb52940fbbf80. * Explicit casts to int32_t for windows build Co-authored-by: danthe3rd <danthe3rd>
94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
#pragma once
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#include "custom_mma_multistage.h"
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#include "custom_mma_pipelined.h"
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#include "cutlass/gemm/threadblock/mma_multistage.h"
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#include "cutlass/gemm/threadblock/mma_pipelined.h"
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template <typename Mma, int kMaxK>
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struct MakeCustomMma;
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template <
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typename Shape,
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typename IteratorA,
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typename SmemIteratorA,
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cutlass::arch::CacheOperation::Kind CacheOpA,
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typename IteratorB,
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typename SmemIteratorB,
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cutlass::arch::CacheOperation::Kind CacheOpB,
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typename ElementC,
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typename LayoutC,
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typename Policy,
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int Stages,
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cutlass::gemm::SharedMemoryClearOption SharedMemoryClear,
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int kMaxK>
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struct MakeCustomMma<
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cutlass::gemm::threadblock::MmaMultistage<
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Shape,
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IteratorA,
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SmemIteratorA,
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CacheOpA,
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IteratorB,
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SmemIteratorB,
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CacheOpB,
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ElementC,
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LayoutC,
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Policy,
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Stages,
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SharedMemoryClear>,
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kMaxK> {
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// Reduce the number of stages if we don't need that many
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static int constexpr kStages =
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kMaxK == cutlass::platform::numeric_limits<int>::max()
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? Stages
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: cutlass::const_min(
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Stages,
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(kMaxK + int(Shape::kK) - 1) / int(Shape::kK));
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using Mma = cutlass::gemm::threadblock::CustomMmaMultistage<
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Shape,
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IteratorA,
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SmemIteratorA,
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CacheOpA,
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IteratorB,
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SmemIteratorB,
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CacheOpB,
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ElementC,
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LayoutC,
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Policy,
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kStages,
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SharedMemoryClear,
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kMaxK>;
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};
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template <
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typename Shape,
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typename IteratorA,
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typename SmemIteratorA,
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typename IteratorB,
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typename SmemIteratorB,
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typename ElementC,
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typename LayoutC,
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typename Policy,
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int kMaxK>
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struct MakeCustomMma<
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cutlass::gemm::threadblock::MmaPipelined<
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Shape,
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IteratorA,
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SmemIteratorA,
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IteratorB,
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SmemIteratorB,
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ElementC,
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LayoutC,
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Policy>,
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kMaxK> {
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using Mma = cutlass::gemm::threadblock::CustomMmaPipelined<
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Shape,
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IteratorA,
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SmemIteratorA,
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IteratorB,
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SmemIteratorB,
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ElementC,
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LayoutC,
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Policy>;
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};
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