adapt to sglang v0.5.2rc1 on dcu
This commit is contained in:
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/*
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* Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "cute/arch/cluster_sm90.hpp"
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#include "cute/tensor.hpp"
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#include "cutlass/gemm/collective/builders/sm90_common.inl"
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#include "cutlass/gemm/collective/collective_builder_decl.hpp"
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#include "cutlass/gemm/collective/collective_mma_decl.hpp"
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#include "cutlass/gemm/dispatch_policy.hpp"
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#include "cutlass/pipeline/sm90_pipeline.hpp"
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// SM90 Collective Builders should be used only starting CUDA 12.0
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#if (__CUDACC_VER_MAJOR__ >= 12)
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#define CUTLASS_SM90_COLLECTIVE_BUILDER_SUPPORTED
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#endif
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/////////////////////////////////////////////////////////////////////////////////////////////////
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namespace cutlass::gemm::collective {
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/////////////////////////////////////////////////////////////////////////////////////////////////
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// GMMA_TMA_WS_RS
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template <
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class ElementA_,
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class GmemLayoutATag_,
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int AlignmentA,
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class ElementB_,
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class GmemLayoutBTag_,
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int AlignmentB,
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class ElementAccumulator,
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class TileShape_MNK,
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class ClusterShape_MNK,
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class StageCountType,
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class KernelScheduleType>
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struct CollectiveBuilderMixedInput<
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arch::Sm90,
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arch::OpClassTensorOp,
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ElementA_,
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GmemLayoutATag_,
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AlignmentA,
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ElementB_,
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GmemLayoutBTag_,
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AlignmentB,
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ElementAccumulator,
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TileShape_MNK,
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ClusterShape_MNK,
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StageCountType,
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KernelScheduleType,
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cute::enable_if_t<
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(cute::is_same_v<KernelScheduleType, KernelTmaWarpSpecialized> ||
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cute::is_same_v<KernelScheduleType, KernelTmaWarpSpecializedPingpong> ||
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cute::is_same_v<KernelScheduleType, KernelTmaWarpSpecializedCooperative> ||
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cute::is_same_v<KernelScheduleType, KernelPtrArrayTmaWarpSpecializedCooperative> ||
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cute::is_same_v<KernelScheduleType, KernelPtrArrayTmaWarpSpecializedPingpong>) &&
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(detail::is_use_rmem_A<ElementA_, GmemLayoutATag_, ElementB_, GmemLayoutBTag_>() ||
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// ConvertAndScale and ConvertAndScaleWithZero
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cute::is_tuple<ElementA_>::value || cute::is_tuple<ElementB_>::value ||
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// DirectConvert
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sizeof_bits<ElementA_>::value != sizeof_bits<ElementB_>::value)>> {
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private:
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using ScaleA = detail::deduce_mixed_width_dtype_t<1, ElementA_>;
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using ScaleB = detail::deduce_mixed_width_dtype_t<1, ElementB_>;
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using ZeroA = detail::deduce_mixed_width_dtype_t<2, ElementA_>;
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using ZeroB = detail::deduce_mixed_width_dtype_t<2, ElementB_>;
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static constexpr bool NeitherIsTuple = !cute::is_tuple<ElementA_>::value && !cute::is_tuple<ElementB_>::value;
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// Determine if mixed input types.
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static constexpr bool IsMixedInput = cute::sizeof_bits_v<detail::deduce_mixed_width_dtype_t<0, ElementA_>> !=
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cute::sizeof_bits_v<detail::deduce_mixed_width_dtype_t<0, ElementB_>>;
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static constexpr bool IsArrayOfPointersGemm = cute::is_any_of_v<
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KernelScheduleType,
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KernelPtrArrayTmaWarpSpecializedCooperative,
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KernelPtrArrayTmaWarpSpecializedPingpong>;
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static_assert(IsMixedInput || !IsArrayOfPointersGemm, "Only mixed input grouped RS GEMM is supported.");
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public:
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using ElementA = detail::deduce_mixed_width_dtype_t<0, ElementA_>;
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using ElementB = detail::deduce_mixed_width_dtype_t<0, ElementB_>;
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static_assert(
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!IsMixedInput || (cute::is_tuple<ElementA_>::value ^ cute::is_tuple<ElementB_>::value ||
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(NeitherIsTuple && (sizeof_bits<ElementA>::value != sizeof_bits<ElementB>::value))),
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"Either A OR B must be a tuple or the widths of A and B must be different.");
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static constexpr bool IsANarrow = sizeof_bits<ElementA>::value < sizeof_bits<ElementB>::value;
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template <class T>
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static auto get_stride(T const& t) {
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if constexpr (not cute::is_layout<cute::remove_pointer_t<T>>::value) {
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return t;
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} else {
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if constexpr (cute::is_pointer_v<T>) {
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return &cute::stride(*t);
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} else {
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return cute::stride(t);
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}
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}
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}
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using GmemLayoutATag = decltype(get_stride(GmemLayoutATag_{}));
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using GmemLayoutBTag = decltype(get_stride(GmemLayoutBTag_{}));
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using ElementPairA =
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cute::conditional_t<IsMixedInput && IsANarrow && NeitherIsTuple, cute::tuple<ElementA>, ElementA_>;
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using ElementPairB =
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cute::conditional_t<IsMixedInput && !IsANarrow && NeitherIsTuple, cute::tuple<ElementB>, ElementB_>;
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static constexpr bool IsATransformed = cute::is_tuple<ElementPairA>::value;
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using ElementScale = cute::conditional_t<IsATransformed, ScaleA, ScaleB>;
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using ElementZero = cute::conditional_t<IsATransformed, ZeroA, ZeroB>;
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static_assert(is_static<TileShape_MNK>::value);
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static_assert(is_static<ClusterShape_MNK>::value);
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static_assert(
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detail::is_aligned<ElementA, AlignmentA, ElementB, AlignmentB, detail::tma_alignment_bytes>(),
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"Should meet TMA alignment requirement\n");
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#ifndef CUTLASS_SM90_COLLECTIVE_BUILDER_SUPPORTED
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static_assert(cutlass::detail::dependent_false<ElementA>, "Unsupported Toolkit for SM90 Collective Builder\n");
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#endif
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static constexpr cute::GMMA::Major GmmaMajorA = detail::gmma_rs_tag_to_major_A<GmemLayoutATag>();
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static constexpr cute::GMMA::Major GmmaMajorB = detail::gmma_rs_tag_to_major_B<GmemLayoutBTag>();
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// If A is scaled, then we don't need to swap. Otherwise, we must ensure B goes to rmem and we must swap the
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// operands.
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static constexpr bool SwapAB =
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IsMixedInput ? !IsATransformed : detail::is_swapAB<ElementA, GmemLayoutATag, ElementB, GmemLayoutBTag>();
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static constexpr bool IsWarpSpecializedTransposeB =
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detail::is_warpspecialized_transpose_B<ElementA, GmemLayoutATag, ElementB, GmemLayoutBTag, KernelScheduleType>();
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static_assert(!IsMixedInput || !IsWarpSpecializedTransposeB, "Mixed input GEMM does not support WS transpose B.");
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// When we relax the above assertion, we must handle setting the tile mma GmmaMajorB correctly.
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static constexpr cute::GMMA::Major TiledMmaGmmaMajorB = SwapAB ? GmmaMajorA : GmmaMajorB;
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// For fp32 types, map to tf32 MMA value type.
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using ElementAMma = cute::conditional_t<cute::is_same_v<ElementA, float>, tfloat32_t, ElementA>;
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using ElementBMma = cute::conditional_t<cute::is_same_v<ElementB, float>, tfloat32_t, ElementB>;
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// Handle mixed dtypes and MMA.
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using RealElementA = cute::conditional_t<SwapAB, ElementBMma, ElementAMma>;
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using RealElementB = cute::conditional_t<SwapAB, ElementAMma, ElementBMma>;
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using RealElementAMma = cute::conditional_t<IsMixedInput, RealElementB, RealElementA>;
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// Always the same for element B.
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using RealElementBMma = RealElementB;
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static_assert(
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!IsMixedInput || TiledMmaGmmaMajorB == GMMA::Major::K || sizeof_bits<RealElementB>::value == 16,
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"Mixed input GEMM does not support MN major layout except for 16bit");
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using AtomLayoutMNK = cute::conditional_t<
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cute::is_any_of_v<
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KernelScheduleType,
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KernelTmaWarpSpecializedCooperative,
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KernelPtrArrayTmaWarpSpecializedCooperative>,
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Layout<Shape<_2, _1, _1>>,
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Layout<Shape<_1, _1, _1>>>;
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using TiledMma = decltype(cute::make_tiled_mma(
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cute::GMMA::rs_op_selector<
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RealElementAMma,
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RealElementBMma,
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ElementAccumulator,
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TileShape_MNK,
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GMMA::Major::K,
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GMMA::Major::K>(),
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AtomLayoutMNK{}));
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using GmemTiledCopyA = decltype(detail::sm90_cluster_shape_to_tma_atom(shape<1>(ClusterShape_MNK{})));
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using GmemTiledCopyB = decltype(detail::sm90_cluster_shape_to_tma_atom(shape<0>(ClusterShape_MNK{})));
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using SmemLayoutAtomA = decltype(detail::rs_smem_selector<
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GmmaMajorA,
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ElementAMma,
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decltype(cute::get<0>(TileShape_MNK{})),
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decltype(cute::get<2>(TileShape_MNK{})),
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IsWarpSpecializedTransposeB>());
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using SmemLayoutAtomB = decltype(detail::rs_smem_selector<
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GmmaMajorB,
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ElementBMma,
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decltype(cute::get<1>(TileShape_MNK{})),
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decltype(cute::get<2>(TileShape_MNK{})),
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IsWarpSpecializedTransposeB>());
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static constexpr size_t SmemAlignmentA = cutlass::detail::alignment_for_swizzle(SmemLayoutAtomA{});
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static constexpr size_t SmemAlignmentB = cutlass::detail::alignment_for_swizzle(SmemLayoutAtomB{});
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static constexpr int SmemAlignment = static_cast<int>(cute::max(SmemAlignmentA, SmemAlignmentB));
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// Handle mixed dtype array GEMM's size of tensor map storage.
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static constexpr size_t TensorMapStorage = sizeof(cute::TmaDescriptor) * size_t(IsMixedInput) * 4;
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static constexpr int KernelSmemCarveout = static_cast<int>(TensorMapStorage);
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static constexpr int Sm90ReducedSmemCapacityBytes = detail::sm90_smem_capacity_bytes - KernelSmemCarveout;
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static constexpr int PipelineStages =
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IsMixedInput ? (IsArrayOfPointersGemm ? detail::compute_stage_count_or_override_single_affine_transformed_input<
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Sm90ReducedSmemCapacityBytes,
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RealElementA,
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RealElementB,
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ElementScale,
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ElementZero,
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TileShape_MNK,
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StageCountType::bytes,
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SmemAlignment>(StageCountType{})
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: detail::compute_stage_count_or_override_single_affine_transformed_input<
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detail::sm90_smem_capacity_bytes,
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RealElementA,
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RealElementB,
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ElementScale,
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ElementZero,
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TileShape_MNK,
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StageCountType::bytes,
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SmemAlignment>(StageCountType{}))
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: detail::compute_stage_count_or_override<
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detail::sm90_smem_capacity_bytes,
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ElementAMma,
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ElementBMma,
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TileShape_MNK,
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StageCountType::bytes,
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SmemAlignment>(StageCountType{});
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using DispatchPolicy = cute::conditional_t<
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IsMixedInput,
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cute::conditional_t<
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IsArrayOfPointersGemm,
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MainloopSm90ArrayTmaGmmaWarpSpecializedMixedInput<PipelineStages, ClusterShape_MNK, KernelScheduleType>,
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MainloopSm90TmaGmmaRmemAWarpSpecializedMixedInput<PipelineStages, ClusterShape_MNK, KernelScheduleType>>,
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MainloopSm90TmaGmmaRmemAWarpSpecialized<PipelineStages, ClusterShape_MNK, KernelScheduleType>>;
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using SmemCopyAtomA = cute::conditional_t<SwapAB, void, Copy_Atom<cute::AutoVectorizingCopy, ElementA>>;
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using SmemCopyAtomB = cute::conditional_t<SwapAB, Copy_Atom<cute::AutoVectorizingCopy, ElementB>, void>;
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// We pack the scale data with the operand that will be optionally scaled and converted before MMA.
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using StrideA = cute::conditional_t<
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cute::is_layout<cute::remove_pointer_t<GmemLayoutATag_>>::value,
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GmemLayoutATag_,
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TagToStrideA_t<GmemLayoutATag>>;
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using StrideB = cute::conditional_t<
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cute::is_layout<cute::remove_pointer_t<GmemLayoutBTag_>>::value,
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GmemLayoutBTag_,
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TagToStrideB_t<GmemLayoutBTag>>;
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using CollectiveOp = CollectiveMmaArrayMixedInput<
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DispatchPolicy,
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TileShape_MNK,
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ElementPairA,
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StrideA,
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ElementPairB,
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StrideB,
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TiledMma,
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GmemTiledCopyA,
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SmemLayoutAtomA,
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SmemCopyAtomA,
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cute::identity,
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GmemTiledCopyB,
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SmemLayoutAtomB,
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SmemCopyAtomB,
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cute::identity>;
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static_assert(
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SmemAlignment == static_cast<int>(cute::max(CollectiveOp::SmemAlignmentA, CollectiveOp::SmemAlignmentB)));
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};
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/////////////////////////////////////////////////////////////////////////////////////////////////
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} // namespace cutlass::gemm::collective
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/////////////////////////////////////////////////////////////////////////////////////////////////
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@@ -0,0 +1,52 @@
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/*
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* Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
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#pragma once
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/////////////////////////////////////////////////////////////////////////////////////////////////
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#include "cutlass/gemm/collective/collective_builder.hpp"
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#include "cutlass_extensions/gemm/collective/collective_mma_array_mixed_input.hpp"
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namespace cutlass::gemm::collective {
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/////////////////////////////////////////////////////////////////////////////////////////////////
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template <
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class ArchTag,
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class OpClass,
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class ElementA,
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class GmemLayoutA,
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int AlignmentA,
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class ElementB,
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class GmemLayoutB,
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int AlignmentB,
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class ElementAccumulator,
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class TileShape_MNK,
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class ClusterShape_MNK,
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class StageCountType,
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class KernelScheduleType,
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class Enable = void>
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struct CollectiveBuilderMixedInput {
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static_assert(sizeof(ElementA) == 0, "Could not build a collective for given parameters.");
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};
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/////////////////////////////////////////////////////////////////////////////////////////////////
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} // namespace cutlass::gemm::collective
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/////////////////////////////////////////////////////////////////////////////////////////////////
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#include "cutlass_extensions/gemm/collective/builders/sm90_gmma_builder_mixed_input.inl"
|
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/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
@@ -0,0 +1,53 @@
|
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/*
|
||||
* Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
#pragma once
|
||||
|
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#include "cutlass/detail/dependent_false.hpp"
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
namespace cutlass::gemm::collective {
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
template <
|
||||
class DispatchPolicy,
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||||
class TileShape,
|
||||
class ElementA,
|
||||
class StrideA,
|
||||
class ElementB,
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||||
class StrideB,
|
||||
class TiledMma,
|
||||
class GmemTiledCopyA,
|
||||
class SmemLayoutAtomA,
|
||||
class SmemCopyAtomA,
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||||
class TransformA,
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||||
class GmemTiledCopyB,
|
||||
class SmemLayoutAtomB,
|
||||
class SmemCopyAtomB,
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||||
class TransformB>
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struct CollectiveMmaArrayMixedInput {
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static_assert(cutlass::detail::dependent_false<ElementA>, "Could not find a mainloop specialization.");
|
||||
};
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||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
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||||
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||||
} // namespace cutlass::gemm::collective
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
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#include "cutlass_extensions/gemm/collective/sm90_mma_array_tma_gmma_rs_warpspecialized_mixed_input_.hpp"
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,62 @@
|
||||
// Adapted from
|
||||
// https://github.com/vllm-project/vllm/blob/main/csrc/quantization/cutlass_w8a8/c3x/cutlass_gemm_caller.cuh
|
||||
|
||||
#pragma once
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||||
|
||||
// clang-format will break include orders
|
||||
// clang-format off
|
||||
#include <torch/all.h>
|
||||
|
||||
#include <ATen/cuda/CUDAContext.h>
|
||||
#include <c10/cuda/CUDAGuard.h>
|
||||
|
||||
#include "cutlass/cutlass.h"
|
||||
|
||||
#include "cute/tensor.hpp"
|
||||
#include "cute/atom/mma_atom.hpp"
|
||||
#include "cutlass/numeric_types.h"
|
||||
|
||||
#include "cutlass/gemm/device/gemm_universal_adapter.h"
|
||||
#include "cutlass/gemm/kernel/gemm_universal.hpp"
|
||||
#include "cutlass/epilogue/collective/collective_builder.hpp"
|
||||
#include "cutlass/gemm/collective/collective_builder.hpp"
|
||||
#include "cutlass/util/packed_stride.hpp"
|
||||
|
||||
// clang-format on
|
||||
|
||||
/**
|
||||
* Helper function for checking CUTLASS errors
|
||||
*/
|
||||
#define CUTLASS_CHECK(status) \
|
||||
{ \
|
||||
cutlass::Status error = status; \
|
||||
TORCH_CHECK(error == cutlass::Status::kSuccess, cutlassGetStatusString(error)); \
|
||||
}
|
||||
|
||||
template <typename GemmKernel>
|
||||
void cutlass_gemm_caller(
|
||||
torch::Device device,
|
||||
cute::Shape<int, int, int, int> prob_shape,
|
||||
typename GemmKernel::MainloopArguments mainloop_args,
|
||||
typename GemmKernel::EpilogueArguments epilogue_args,
|
||||
typename GemmKernel::TileSchedulerArguments scheduler = {}) {
|
||||
cutlass::KernelHardwareInfo hw_info;
|
||||
hw_info.device_id = c10::cuda::current_device();
|
||||
hw_info.sm_count = at::cuda::getCurrentDeviceProperties()->multiProcessorCount;
|
||||
typename GemmKernel::Arguments args{
|
||||
cutlass::gemm::GemmUniversalMode::kGemm, prob_shape, mainloop_args, epilogue_args, hw_info, scheduler};
|
||||
|
||||
// Launch the CUTLASS GEMM kernel.
|
||||
using GemmOp = cutlass::gemm::device::GemmUniversalAdapter<GemmKernel>;
|
||||
GemmOp gemm_op;
|
||||
CUTLASS_CHECK(gemm_op.can_implement(args));
|
||||
|
||||
size_t workspace_size = gemm_op.get_workspace_size(args);
|
||||
auto const workspace_options = torch::TensorOptions().dtype(torch::kUInt8).device(device);
|
||||
auto workspace = torch::empty(workspace_size, workspace_options);
|
||||
|
||||
auto stream = at::cuda::getCurrentCUDAStream(device.index());
|
||||
|
||||
cutlass::Status status = gemm_op.run(args, workspace.data_ptr(), stream);
|
||||
CUTLASS_CHECK(status);
|
||||
}
|
||||
38
sgl-kernel/csrc/cutlass_extensions/gemm/dispatch_policy.hpp
Normal file
38
sgl-kernel/csrc/cutlass_extensions/gemm/dispatch_policy.hpp
Normal file
@@ -0,0 +1,38 @@
|
||||
// Adapted from https://github.com/vllm-project/vllm/blob/main/csrc/cutlass_extensions/gemm/dispatch_policy.hpp
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "cutlass/gemm/dispatch_policy.hpp"
|
||||
|
||||
namespace cutlass::gemm {
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// FP8 related policies (including Blocked Scaled Accumulation)
|
||||
// `ScaleGranularityM` specifies scaling granularity along M, while zero-value
|
||||
// `ScaleGranularityM` indicates that scaling granularity is
|
||||
// `size<0>(TileShape_MNK{})` along M.
|
||||
template <int ScaleGranularityM = 0>
|
||||
struct KernelTmaWarpSpecializedCooperativeFP8BlockScaledSubGroupMAccum : KernelTmaWarpSpecializedCooperative {};
|
||||
|
||||
// n-buffer in smem (Hopper TMA), pipelined with Hopper GMMA and TMA, Warp
|
||||
// specialized dynamic schedule For FP8 kernels with Block Scaling
|
||||
template <
|
||||
int Stages_,
|
||||
class ClusterShape_ = Shape<_1, _1, _1>,
|
||||
class KernelSchedule = KernelTmaWarpSpecialized,
|
||||
int ScaleGranularityM = 0 // `ScaleGranularityM` specifies scaling granularity along M,
|
||||
// while zero-value `ScaleGranularityM` indicates that scaling
|
||||
// granularity is `size<0>(TileShape_MNK{})` along M.
|
||||
>
|
||||
struct MainloopSm90TmaGmmaWarpSpecializedBlockScalingSubGroupMFP8
|
||||
: MainloopSm90TmaGmmaWarpSpecialized<Stages_, ClusterShape_, KernelSchedule> {
|
||||
static_assert(
|
||||
cute::
|
||||
is_same_v<KernelSchedule, KernelTmaWarpSpecializedCooperativeFP8BlockScaledSubGroupMAccum<ScaleGranularityM>>,
|
||||
"KernelSchedule must be one of the warp specialized policies");
|
||||
};
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
} // namespace cutlass::gemm
|
||||
@@ -0,0 +1,197 @@
|
||||
// Adapted from
|
||||
// https://github.com/vllm-project/vllm/blob/main/csrc/quantization/cutlass_w8a8/c3x/scaled_mm_blockwise_sm90_fp8_dispatch.cuh
|
||||
#pragma once
|
||||
|
||||
#include "cute/tensor.hpp"
|
||||
#include "cutlass/cutlass.h"
|
||||
#include "cutlass/epilogue/collective/collective_builder.hpp"
|
||||
#include "cutlass/epilogue/dispatch_policy.hpp"
|
||||
#include "cutlass/gemm/collective/collective_builder.hpp"
|
||||
#include "cutlass/gemm/device/gemm_universal_adapter.h"
|
||||
#include "cutlass/gemm/dispatch_policy.hpp"
|
||||
#include "cutlass/gemm/kernel/gemm_universal.hpp"
|
||||
#include "cutlass/gemm/kernel/tile_scheduler_params.h"
|
||||
#include "cutlass/numeric_types.h"
|
||||
#include "cutlass/tensor_ref.h"
|
||||
#include "cutlass_extensions/common.hpp"
|
||||
#include "cutlass_extensions/gemm/cutlass_gemm_caller.cuh"
|
||||
#include "cutlass_extensions/gemm/dispatch_policy.hpp"
|
||||
|
||||
using namespace cute;
|
||||
|
||||
template <
|
||||
typename SchedulerType,
|
||||
typename OutType,
|
||||
int GroupSizeM_,
|
||||
int GroupSizeN_,
|
||||
int GroupSizeK_,
|
||||
int TileSizeM_ = 128,
|
||||
class ClusterShape = Shape<_1, _2, _1>>
|
||||
struct cutlass_3x_gemm_fp8_blockwise {
|
||||
using GroupSizeM = Int<GroupSizeM_>;
|
||||
using GroupSizeN = Int<GroupSizeN_>;
|
||||
using GroupSizeK = Int<GroupSizeK_>;
|
||||
using TileSizeM = Int<TileSizeM_>;
|
||||
|
||||
static_assert(TileSizeM_ % GroupSizeM_ == 0, "TileSizeM must be a multiple of GroupSizeM");
|
||||
|
||||
using ElementAB = cutlass::float_e4m3_t;
|
||||
|
||||
// A matrix configuration
|
||||
using ElementA = ElementAB;
|
||||
using LayoutA = cutlass::layout::RowMajor;
|
||||
static constexpr int AlignmentA = 128 / cutlass::sizeof_bits<ElementA>::value;
|
||||
|
||||
// B matrix configuration
|
||||
using ElementB = ElementAB;
|
||||
using LayoutB = cutlass::layout::ColumnMajor;
|
||||
static constexpr int AlignmentB = 128 / cutlass::sizeof_bits<ElementB>::value;
|
||||
|
||||
// C/D matrix configuration
|
||||
using ElementC = void;
|
||||
using LayoutC = cutlass::layout::RowMajor;
|
||||
static constexpr int AlignmentC = 128 / cutlass::sizeof_bits<OutType>::value;
|
||||
|
||||
using ElementD = OutType;
|
||||
using LayoutD = cutlass::layout::RowMajor;
|
||||
static constexpr int AlignmentD = AlignmentC;
|
||||
|
||||
using ScaleTileShape = Shape<_1, _128, _128>;
|
||||
using ScaleConfig = decltype(cutlass::detail::sm90_trivial_blockwise_scale_config(ScaleTileShape{}));
|
||||
using LayoutSFA = decltype(ScaleConfig::deduce_layoutSFA());
|
||||
using LayoutSFB = decltype(ScaleConfig::deduce_layoutSFB());
|
||||
|
||||
// Multiply-accumulate blocking/pipelining details
|
||||
using ElementAccumulator = float; // Element type for internal accumulation
|
||||
using ElementCompute = float; // Element type for compute
|
||||
using TileShape = Shape<TileSizeM, GroupSizeN, GroupSizeK>; // Threadblock-level tile size
|
||||
|
||||
using ArchTag = cutlass::arch::Sm90;
|
||||
using OperatorClass = cutlass::arch::OpClassTensorOp;
|
||||
using EpilogueSchedule = cutlass::epilogue::TmaWarpSpecializedCooperative;
|
||||
using EpilogueTileType = cutlass::epilogue::collective::EpilogueTileAuto;
|
||||
using StoreEpilogueCompute = typename cutlass::epilogue::fusion::Sm90EVT<cutlass::epilogue::fusion::Sm90AccFetch>;
|
||||
|
||||
using KernelSchedule = cutlass::gemm::KernelTmaWarpSpecializedCooperativeFP8BlockScaledAccum;
|
||||
using CollectiveEpilogue = typename cutlass::epilogue::collective::CollectiveBuilder<
|
||||
ArchTag,
|
||||
OperatorClass,
|
||||
TileShape,
|
||||
ClusterShape,
|
||||
EpilogueTileType,
|
||||
ElementAccumulator,
|
||||
ElementCompute,
|
||||
ElementC,
|
||||
LayoutC,
|
||||
AlignmentC,
|
||||
ElementD,
|
||||
LayoutD,
|
||||
AlignmentD,
|
||||
EpilogueSchedule,
|
||||
StoreEpilogueCompute>::CollectiveOp;
|
||||
|
||||
using CollectiveMainloop = typename cutlass::gemm::collective::CollectiveBuilder<
|
||||
ArchTag,
|
||||
OperatorClass,
|
||||
ElementA,
|
||||
cute::tuple<LayoutA, LayoutSFA>,
|
||||
AlignmentA,
|
||||
ElementB,
|
||||
cute::tuple<LayoutB, LayoutSFB>,
|
||||
AlignmentB,
|
||||
ElementAccumulator,
|
||||
TileShape,
|
||||
ClusterShape,
|
||||
cutlass::gemm::collective::StageCountAutoCarveout<static_cast<int>(
|
||||
sizeof(typename CollectiveEpilogue::SharedStorage))>,
|
||||
KernelSchedule>::CollectiveOp;
|
||||
|
||||
using GemmKernel = cutlass::gemm::kernel::GemmUniversal<
|
||||
Shape<int, int, int, int>, // Indicates ProblemShape
|
||||
CollectiveMainloop,
|
||||
CollectiveEpilogue,
|
||||
SchedulerType>;
|
||||
};
|
||||
|
||||
template <typename Gemm>
|
||||
void cutlass_gemm_caller_blockwise(
|
||||
torch::Tensor& out,
|
||||
torch::Tensor const& a,
|
||||
torch::Tensor const& b,
|
||||
torch::Tensor const& a_scales,
|
||||
torch::Tensor const& b_scales) {
|
||||
using GemmKernel = typename Gemm::GemmKernel;
|
||||
using ElementAB = typename Gemm::ElementAB;
|
||||
using ElementA = ElementAB;
|
||||
using ElementB = ElementAB;
|
||||
using ElementD = typename Gemm::ElementD;
|
||||
using ElementBlockScale = float;
|
||||
|
||||
using ScaleTileShape = Shape<_1, _128, _128>;
|
||||
using ScaleConfig = decltype(cutlass::detail::sm90_trivial_blockwise_scale_config(ScaleTileShape{}));
|
||||
using LayoutSFA = decltype(ScaleConfig::deduce_layoutSFA());
|
||||
using LayoutSFB = decltype(ScaleConfig::deduce_layoutSFB());
|
||||
|
||||
int m = a.size(0);
|
||||
int k = a.size(1);
|
||||
int n = b.size(1);
|
||||
|
||||
auto a_ptr = static_cast<ElementA*>(a.data_ptr());
|
||||
auto b_ptr = static_cast<ElementB*>(b.data_ptr());
|
||||
|
||||
auto a_s_ptr = static_cast<ElementBlockScale*>(a_scales.data_ptr());
|
||||
auto b_s_ptr = static_cast<ElementBlockScale*>(b_scales.data_ptr());
|
||||
|
||||
using StrideA = typename GemmKernel::StrideA;
|
||||
using StrideB = typename GemmKernel::StrideB;
|
||||
using StrideD = typename GemmKernel::StrideD;
|
||||
using StrideC = typename GemmKernel::StrideC;
|
||||
|
||||
StrideA a_stride = cutlass::make_cute_packed_stride(StrideA{}, cute::make_shape(m, k, 1));
|
||||
StrideB b_stride = cutlass::make_cute_packed_stride(StrideB{}, cute::make_shape(n, k, 1));
|
||||
StrideC c_stride = cutlass::make_cute_packed_stride(StrideC{}, cute::make_shape(m, n, 1));
|
||||
LayoutSFA layout_sfa = ScaleConfig::tile_atom_to_shape_SFA(make_shape(m, n, k, 1));
|
||||
LayoutSFB layout_sfb = ScaleConfig::tile_atom_to_shape_SFB(make_shape(m, n, k, 1));
|
||||
|
||||
typename GemmKernel::MainloopArguments mainloop_args{
|
||||
a_ptr, a_stride, b_ptr, b_stride, a_s_ptr, layout_sfa, b_s_ptr, layout_sfb};
|
||||
auto c_ptr = static_cast<ElementD*>(out.data_ptr());
|
||||
typename GemmKernel::EpilogueArguments epilogue_args{{}, c_ptr, c_stride, c_ptr, c_stride};
|
||||
|
||||
typename GemmKernel::TileSchedulerArguments scheduler;
|
||||
|
||||
static constexpr bool UsesStreamKScheduler =
|
||||
cute::is_same_v<typename GemmKernel::TileSchedulerTag, cutlass::gemm::StreamKScheduler>;
|
||||
|
||||
if constexpr (UsesStreamKScheduler) {
|
||||
using DecompositionMode =
|
||||
typename cutlass::gemm::kernel::detail::PersistentTileSchedulerSm90StreamKParams::DecompositionMode;
|
||||
using ReductionMode =
|
||||
typename cutlass::gemm::kernel::detail::PersistentTileSchedulerSm90StreamKParams::ReductionMode;
|
||||
|
||||
scheduler.decomposition_mode = DecompositionMode::StreamK;
|
||||
scheduler.reduction_mode = ReductionMode::Nondeterministic;
|
||||
}
|
||||
|
||||
cutlass_gemm_caller<GemmKernel>(a.device(), {m, n, k, 1}, mainloop_args, epilogue_args, scheduler);
|
||||
}
|
||||
|
||||
template <typename OutType>
|
||||
void cutlass_gemm_blockwise_sm90_fp8_dispatch(
|
||||
torch::Tensor& out,
|
||||
torch::Tensor const& a,
|
||||
torch::Tensor const& b,
|
||||
torch::Tensor const& a_scales,
|
||||
torch::Tensor const& b_scales) {
|
||||
auto k = a.size(1);
|
||||
auto n = b.size(1);
|
||||
|
||||
if (k > 3 * n) {
|
||||
cutlass_gemm_caller_blockwise<cutlass_3x_gemm_fp8_blockwise<cutlass::gemm::StreamKScheduler, OutType, 1, 128, 128>>(
|
||||
out, a, b, a_scales, b_scales);
|
||||
} else {
|
||||
cutlass_gemm_caller_blockwise<
|
||||
cutlass_3x_gemm_fp8_blockwise<cutlass::gemm::PersistentScheduler, OutType, 1, 128, 128>>(
|
||||
out, a, b, a_scales, b_scales);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,356 @@
|
||||
/* Copyright 2025 SGLang Team. All Rights Reserved.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
==============================================================================*/
|
||||
|
||||
// Adapted from
|
||||
// https://github.com/NVIDIA/TensorRT-LLM/blob/be1788106245496872d18e702978e59b6bfd50e0/cpp/tensorrt_llm/cutlass_extensions/include/cutlass_extensions/gemm/device/gemm_universal_base_compat.h
|
||||
#pragma once
|
||||
|
||||
#include <cutlass/cutlass.h>
|
||||
#include <cutlass/device_kernel.h>
|
||||
#include <cutlass/trace.h>
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
namespace cutlass {
|
||||
namespace gemm {
|
||||
namespace device {
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/*
|
||||
This is the device layer from CUTLASS 2.10 (SHA - cc85b64cf676c45f98a17e3a47c0aafcf817f088)
|
||||
It is replicated here since we needed to duplicate kernel level APIs for mixed dtype GEMMs
|
||||
and SmoothQuant. The newer device layer is not compatible with these older kernel level APIs.
|
||||
|
||||
Note: While CUTLASS 3.x supports stream-k, none of the kernels in the extensions folder support
|
||||
that feature at the moment.
|
||||
*/
|
||||
|
||||
template <typename GemmKernel_>
|
||||
class GemmUniversalBaseCompat {
|
||||
public:
|
||||
using GemmKernel = GemmKernel_;
|
||||
using ThreadblockShape = typename GemmKernel::Mma::Shape;
|
||||
|
||||
using ElementA = typename GemmKernel::ElementA;
|
||||
using LayoutA = typename GemmKernel::LayoutA;
|
||||
using TensorRefA = TensorRef<ElementA const, LayoutA>;
|
||||
static ComplexTransform const kTransformA = GemmKernel::kTransformA;
|
||||
|
||||
using ElementB = typename GemmKernel::ElementB;
|
||||
using LayoutB = typename GemmKernel::LayoutB;
|
||||
using TensorRefB = TensorRef<ElementB const, LayoutB>;
|
||||
static ComplexTransform const kTransformB = GemmKernel::kTransformB;
|
||||
|
||||
using ElementC = typename GemmKernel::ElementC;
|
||||
using LayoutC = typename GemmKernel::LayoutC;
|
||||
using TensorRefC = TensorRef<ElementC const, LayoutC>;
|
||||
using TensorRefD = TensorRef<ElementC, LayoutC>;
|
||||
|
||||
using ElementAccumulator = typename GemmKernel::Mma::Policy::Operator::ElementC;
|
||||
|
||||
using EpilogueOutputOp = typename GemmKernel::EpilogueOutputOp;
|
||||
using ThreadblockSwizzle = typename GemmKernel::ThreadblockSwizzle;
|
||||
using Operator = typename GemmKernel::Operator;
|
||||
|
||||
/// Argument structure
|
||||
using Arguments = typename GemmKernel::Arguments;
|
||||
|
||||
protected:
|
||||
/// Kernel parameters object
|
||||
typename GemmKernel::Params params_;
|
||||
|
||||
protected:
|
||||
/// Private helper to obtain the grid dimensions with fix-up for split-K
|
||||
static void get_grid_shape_(gemm::GemmCoord& grid_tiled_shape, int& gemm_k_size, Arguments const& args) {
|
||||
// Determine grid shape
|
||||
ThreadblockSwizzle threadblock_swizzle;
|
||||
|
||||
grid_tiled_shape = threadblock_swizzle.get_tiled_shape(
|
||||
args.problem_size, {ThreadblockShape::kM, ThreadblockShape::kN, ThreadblockShape::kK}, args.batch_count);
|
||||
|
||||
gemm_k_size = args.problem_size.k();
|
||||
|
||||
if (args.mode == GemmUniversalMode::kGemm || args.mode == GemmUniversalMode::kGemmSplitKParallel) {
|
||||
int const kAlignK =
|
||||
const_max(const_max(128 / sizeof_bits<ElementA>::value, 128 / sizeof_bits<ElementB>::value), 1);
|
||||
|
||||
gemm_k_size = round_up(ceil_div(args.problem_size.k(), args.batch_count), kAlignK);
|
||||
|
||||
if (gemm_k_size) {
|
||||
grid_tiled_shape.k() = ceil_div(args.problem_size.k(), gemm_k_size);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
/// Constructs the GEMM.
|
||||
GemmUniversalBaseCompat() {}
|
||||
|
||||
/// Determines whether the GEMM can execute the given problem.
|
||||
static Status can_implement(Arguments const& args) {
|
||||
// Determine grid shape
|
||||
cutlass::gemm::GemmCoord grid_tiled_shape;
|
||||
int gemm_k_size = 0;
|
||||
|
||||
get_grid_shape_(grid_tiled_shape, gemm_k_size, args);
|
||||
|
||||
ThreadblockSwizzle threadblock_swizzle;
|
||||
dim3 grid = threadblock_swizzle.get_grid_shape(grid_tiled_shape);
|
||||
|
||||
uint32_t const kGridYZMax = ((1 << (sizeof(uint16_t) * 8)) - 1);
|
||||
|
||||
if (!(grid.y <= kGridYZMax && grid.z <= kGridYZMax)) {
|
||||
return Status::kErrorInvalidProblem;
|
||||
}
|
||||
|
||||
return GemmKernel::can_implement(args);
|
||||
}
|
||||
|
||||
/// Gets the workspace size
|
||||
static size_t get_workspace_size(Arguments const& args) {
|
||||
CUTLASS_TRACE_HOST("GemmUniversalBaseCompat::get_workspace_size()");
|
||||
|
||||
size_t workspace_bytes = 0;
|
||||
|
||||
// Determine grid shape
|
||||
cutlass::gemm::GemmCoord grid_tiled_shape;
|
||||
int gemm_k_size = 0;
|
||||
|
||||
get_grid_shape_(grid_tiled_shape, gemm_k_size, args);
|
||||
|
||||
if (args.mode == GemmUniversalMode::kGemmSplitKParallel) {
|
||||
// Split-K parallel always requires a temporary workspace
|
||||
workspace_bytes = sizeof(ElementC) * size_t(args.batch_stride_D) * size_t(grid_tiled_shape.k());
|
||||
} else if (args.mode == GemmUniversalMode::kGemm && grid_tiled_shape.k() > 1) {
|
||||
// Serial split-K only requires a temporary workspace if the number of partitions along the
|
||||
// GEMM K dimension is greater than one.
|
||||
workspace_bytes = sizeof(int) * size_t(grid_tiled_shape.m()) * size_t(grid_tiled_shape.n());
|
||||
}
|
||||
|
||||
CUTLASS_TRACE_HOST(" workspace_bytes: " << workspace_bytes);
|
||||
|
||||
workspace_bytes += GemmKernel::get_extra_workspace_size(args, grid_tiled_shape);
|
||||
|
||||
return workspace_bytes;
|
||||
}
|
||||
|
||||
/// Computes the grid shape
|
||||
static dim3 get_grid_shape(Arguments const& args) {
|
||||
CUTLASS_TRACE_HOST("GemmUniversalBaseCompat::get_grid_shape()");
|
||||
|
||||
ThreadblockSwizzle threadblock_swizzle;
|
||||
|
||||
cutlass::gemm::GemmCoord grid_tiled_shape;
|
||||
int gemm_k_size = 0;
|
||||
|
||||
get_grid_shape_(grid_tiled_shape, gemm_k_size, args);
|
||||
dim3 result = threadblock_swizzle.get_grid_shape(grid_tiled_shape);
|
||||
|
||||
CUTLASS_TRACE_HOST(
|
||||
" grid_tiled_shape: " << grid_tiled_shape << "\n"
|
||||
<< " result = {" << result << "}");
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/// Computes the maximum number of active blocks per multiprocessor
|
||||
static int maximum_active_blocks(int smem_capacity = -1) {
|
||||
CUTLASS_TRACE_HOST("GemmUniversalBaseCompat::maximum_active_blocks()");
|
||||
|
||||
int max_active_blocks = -1;
|
||||
int smem_size = int(sizeof(typename GemmKernel::SharedStorage));
|
||||
|
||||
CUTLASS_TRACE_HOST(" smem_size: " << smem_size << " bytes");
|
||||
|
||||
if (smem_size <= (48 << 10)) {
|
||||
cudaError_t result = cudaOccupancyMaxActiveBlocksPerMultiprocessor(
|
||||
&max_active_blocks, Kernel<GemmKernel>, GemmKernel::kThreadCount, smem_size);
|
||||
|
||||
if (result == cudaSuccess) {
|
||||
CUTLASS_TRACE_HOST(" max_active_blocks: " << max_active_blocks);
|
||||
return max_active_blocks;
|
||||
}
|
||||
} else {
|
||||
// Query assuming zero shared memory then compute occupancy limit based on SMEM
|
||||
cudaError_t result = cudaOccupancyMaxActiveBlocksPerMultiprocessor(
|
||||
&max_active_blocks, Kernel<GemmKernel>, GemmKernel::kThreadCount, 0);
|
||||
|
||||
if (result != cudaSuccess) {
|
||||
CUTLASS_TRACE_HOST(
|
||||
" cudaOccupancyMaxActiveBlocksPerMultiprocessor() returned error " << cudaGetErrorString(result));
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (smem_capacity < 0) {
|
||||
int device_idx = 0;
|
||||
result = cudaGetDevice(&device_idx);
|
||||
|
||||
if (result != cudaSuccess) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
cudaDeviceProp properties;
|
||||
result = cudaGetDeviceProperties(&properties, device_idx);
|
||||
|
||||
if (result != cudaSuccess) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
smem_capacity = static_cast<int>(properties.sharedMemPerMultiprocessor);
|
||||
}
|
||||
|
||||
int occupancy = std::min(max_active_blocks, smem_capacity / smem_size);
|
||||
|
||||
CUTLASS_TRACE_HOST(" occupancy: " << occupancy);
|
||||
|
||||
return occupancy;
|
||||
}
|
||||
|
||||
CUTLASS_TRACE_HOST(" returning internal error");
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/// Initializes GEMM state from arguments.
|
||||
Status initialize(Arguments const& args, void* workspace = nullptr, cudaStream_t stream = nullptr) {
|
||||
CUTLASS_TRACE_HOST(
|
||||
"GemmUniversalBaseCompat::initialize() - workspace " << workspace
|
||||
<< ", stream: " << (stream ? "non-null" : "null"));
|
||||
|
||||
size_t workspace_bytes = get_workspace_size(args);
|
||||
|
||||
CUTLASS_TRACE_HOST(" workspace_bytes: " << workspace_bytes);
|
||||
|
||||
if (workspace_bytes) {
|
||||
if (!workspace) {
|
||||
CUTLASS_TRACE_HOST(" error: device workspace must not be null");
|
||||
|
||||
return Status::kErrorWorkspaceNull;
|
||||
}
|
||||
|
||||
if (args.mode == GemmUniversalMode::kGemm) {
|
||||
CUTLASS_TRACE_HOST(" clearing device workspace");
|
||||
cudaError_t result = cudaMemsetAsync(workspace, 0, workspace_bytes, stream);
|
||||
|
||||
if (result != cudaSuccess) {
|
||||
CUTLASS_TRACE_HOST(" cudaMemsetAsync() returned error " << cudaGetErrorString(result));
|
||||
|
||||
return Status::kErrorInternal;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Get CUDA grid shape
|
||||
cutlass::gemm::GemmCoord grid_tiled_shape;
|
||||
int gemm_k_size = 0;
|
||||
|
||||
get_grid_shape_(grid_tiled_shape, gemm_k_size, args);
|
||||
|
||||
// Initialize the Params structure
|
||||
params_ = typename GemmKernel::Params(args, grid_tiled_shape, gemm_k_size, static_cast<int*>(workspace));
|
||||
|
||||
// Specify shared memory capacity for kernel.
|
||||
int smem_size = int(sizeof(typename GemmKernel::SharedStorage));
|
||||
|
||||
if (smem_size >= (48 << 10)) {
|
||||
cudaError_t result =
|
||||
cudaFuncSetAttribute(Kernel<GemmKernel>, cudaFuncAttributeMaxDynamicSharedMemorySize, smem_size);
|
||||
|
||||
if (result != cudaSuccess) {
|
||||
return Status::kErrorInternal;
|
||||
}
|
||||
}
|
||||
|
||||
return Status::kSuccess;
|
||||
}
|
||||
|
||||
/// Lightweight update given a subset of arguments
|
||||
Status update(Arguments const& args, void* workspace = nullptr) {
|
||||
CUTLASS_TRACE_HOST("GemmUniversalBaseCompat()::update() - workspace: " << workspace);
|
||||
|
||||
size_t workspace_bytes = get_workspace_size(args);
|
||||
|
||||
if (workspace_bytes && !workspace) {
|
||||
return Status::kErrorWorkspaceNull;
|
||||
}
|
||||
|
||||
params_.update(args, workspace);
|
||||
|
||||
return Status::kSuccess;
|
||||
}
|
||||
|
||||
/// Runs the kernel using initialized state.
|
||||
Status run(cudaStream_t stream = nullptr) {
|
||||
CUTLASS_TRACE_HOST("GemmUniversalBaseCompat::run()");
|
||||
|
||||
//
|
||||
// Configure grid and block dimensions
|
||||
//
|
||||
|
||||
ThreadblockSwizzle threadblock_swizzle;
|
||||
|
||||
dim3 grid = threadblock_swizzle.get_grid_shape(params_.grid_tiled_shape);
|
||||
dim3 block(GemmKernel::kThreadCount, 1, 1);
|
||||
|
||||
int smem_size = int(sizeof(typename GemmKernel::SharedStorage));
|
||||
|
||||
//
|
||||
// Launch kernel
|
||||
//
|
||||
|
||||
CUTLASS_TRACE_HOST(" grid: (" << grid << "), block: (" << block << "), SMEM: " << smem_size << " bytes");
|
||||
|
||||
// Launch
|
||||
cutlass::Kernel<GemmKernel><<<grid, block, smem_size, stream>>>(params_);
|
||||
|
||||
//
|
||||
// Query for errors
|
||||
//
|
||||
cudaError_t result = cudaGetLastError();
|
||||
|
||||
if (result != cudaSuccess) {
|
||||
CUTLASS_TRACE_HOST(" grid launch failed with error " << cudaGetErrorString(result));
|
||||
return Status::kErrorInternal;
|
||||
}
|
||||
|
||||
return Status::kSuccess;
|
||||
}
|
||||
|
||||
/// Runs the kernel using initialized state.
|
||||
Status operator()(cudaStream_t stream = nullptr) {
|
||||
return run(stream);
|
||||
}
|
||||
|
||||
/// Runs the kernel using initialized state.
|
||||
Status operator()(Arguments const& args, void* workspace = nullptr, cudaStream_t stream = nullptr) {
|
||||
Status status = initialize(args, workspace, stream);
|
||||
|
||||
if (status == Status::kSuccess) {
|
||||
status = run(stream);
|
||||
}
|
||||
|
||||
return status;
|
||||
}
|
||||
};
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
} // namespace device
|
||||
} // namespace gemm
|
||||
} // namespace cutlass
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
@@ -0,0 +1,492 @@
|
||||
/* Copyright 2025 SGLang Team. All Rights Reserved.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
==============================================================================*/
|
||||
|
||||
// Adapted from
|
||||
// https://github.com/NVIDIA/TensorRT-LLM/blob/be1788106245496872d18e702978e59b6bfd50e0/cpp/tensorrt_llm/cutlass_extensions/include/cutlass_extensions/gemm/kernel/gemm_with_epilogue_visitor.h
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <cutlass/complex.h>
|
||||
#include <cutlass/cutlass.h>
|
||||
#include <cutlass/fast_math.h>
|
||||
#include <cutlass/matrix_coord.h>
|
||||
#include <cutlass/trace.h>
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
namespace cutlass {
|
||||
namespace gemm {
|
||||
namespace kernel {
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
template <
|
||||
typename Mma_, ///! Threadblock-scoped matrix multiply-accumulate
|
||||
typename Epilogue_, ///! Epilogue
|
||||
typename ThreadblockSwizzle_ ///! Threadblock swizzling function
|
||||
>
|
||||
struct GemmWithEpilogueVisitor {
|
||||
public:
|
||||
using Mma = Mma_;
|
||||
using Epilogue = Epilogue_;
|
||||
using EpilogueVisitor = typename Epilogue::Visitor;
|
||||
using ThreadblockSwizzle = ThreadblockSwizzle_;
|
||||
|
||||
using ElementA = typename Mma::IteratorA::Element;
|
||||
using LayoutA = typename Mma::IteratorA::Layout;
|
||||
using TensorRefA = TensorRef<ElementA, LayoutA>;
|
||||
|
||||
using ElementB = typename Mma::IteratorB::Element;
|
||||
using LayoutB = typename Mma::IteratorB::Layout;
|
||||
using TensorRefB = TensorRef<ElementB, LayoutB>;
|
||||
|
||||
using ElementCompute = typename EpilogueVisitor::ElementCompute;
|
||||
using LayoutAlphaCol = cutlass::layout::RowMajor;
|
||||
using LayoutAlphaRow = cutlass::layout::ColumnMajor;
|
||||
using TensorRefAlphaCol = TensorRef<ElementCompute, LayoutAlphaCol>;
|
||||
using TensorRefAlphaRow = TensorRef<ElementCompute, LayoutAlphaRow>;
|
||||
|
||||
using ElementC = typename EpilogueVisitor::ElementOutput;
|
||||
using LayoutC = typename Epilogue::Layout;
|
||||
using TensorRefC = TensorRef<ElementC, LayoutC>;
|
||||
|
||||
static ComplexTransform const kTransformA = Mma::kTransformA;
|
||||
static ComplexTransform const kTransformB = Mma::kTransformB;
|
||||
using Operator = typename Mma::Operator;
|
||||
|
||||
using OperatorClass = typename Mma::Operator::OperatorClass;
|
||||
using ThreadblockShape = typename Mma::Shape;
|
||||
using WarpShape = typename Mma::Operator::Shape;
|
||||
using InstructionShape = typename Mma::Policy::Operator::InstructionShape;
|
||||
using ArchTag = typename Mma::ArchTag;
|
||||
using EpilogueOutputOp =
|
||||
typename Epilogue::Visitor::ElementwiseFunctor; // Define type so GemmUniversalBase doesn't complain
|
||||
|
||||
static int const kStages = Mma::kStages;
|
||||
static int const kAlignmentA = Mma::IteratorA::AccessType::kElements;
|
||||
static int const kAlignmentB = Mma::IteratorB::AccessType::kElements;
|
||||
static int const kAlignmentC = EpilogueVisitor::kElementsPerAccess;
|
||||
|
||||
/// Warp count (concept: GemmShape)
|
||||
using WarpCount = typename Mma::WarpCount;
|
||||
static int const kThreadCount = 32 * WarpCount::kCount;
|
||||
|
||||
/// Split-K preserves splits that are 128b aligned
|
||||
static int const kSplitKAlignment = const_max(128 / sizeof_bits<ElementA>::value, 128 / sizeof_bits<ElementB>::value);
|
||||
|
||||
//
|
||||
// Structures
|
||||
//
|
||||
|
||||
/// Argument structure
|
||||
struct Arguments {
|
||||
//
|
||||
// Data members
|
||||
//
|
||||
|
||||
GemmUniversalMode mode;
|
||||
GemmCoord problem_size;
|
||||
int batch_count;
|
||||
|
||||
TensorRefA ref_A;
|
||||
TensorRefB ref_B;
|
||||
TensorRefAlphaCol ref_alpha_col;
|
||||
TensorRefAlphaRow ref_alpha_row;
|
||||
TensorRefC ref_C;
|
||||
TensorRefC ref_D;
|
||||
|
||||
int64_t batch_stride_A;
|
||||
int64_t batch_stride_B;
|
||||
int64_t batch_stride_D;
|
||||
|
||||
typename EpilogueVisitor::Arguments epilogue_visitor;
|
||||
|
||||
//
|
||||
// Methods
|
||||
//
|
||||
|
||||
Arguments() : mode(GemmUniversalMode::kGemm), batch_count(1) {}
|
||||
|
||||
/// constructs an arguments structure
|
||||
Arguments(
|
||||
GemmCoord problem_size_,
|
||||
TensorRefA ref_A_,
|
||||
TensorRefB ref_B_,
|
||||
TensorRefAlphaCol ref_alpha_col_,
|
||||
TensorRefAlphaRow ref_alpha_row_,
|
||||
TensorRefC ref_C_,
|
||||
TensorRefC ref_D_,
|
||||
typename EpilogueVisitor::Arguments epilogue_visitor_)
|
||||
: mode(GemmUniversalMode::kGemm),
|
||||
problem_size(problem_size_),
|
||||
batch_count(1),
|
||||
ref_A(ref_A_),
|
||||
ref_B(ref_B_),
|
||||
ref_alpha_col(ref_alpha_col_),
|
||||
ref_alpha_row(ref_alpha_row_),
|
||||
ref_C(ref_C_),
|
||||
ref_D(ref_D_),
|
||||
batch_stride_A(0),
|
||||
batch_stride_B(0),
|
||||
batch_stride_D(0),
|
||||
epilogue_visitor(epilogue_visitor_) {}
|
||||
};
|
||||
|
||||
//
|
||||
// Structure for precomputing values in host memory and passing to kernels
|
||||
//
|
||||
|
||||
/// Parameters structure
|
||||
struct Params {
|
||||
cutlass::gemm::GemmCoord problem_size;
|
||||
cutlass::gemm::GemmCoord grid_tiled_shape;
|
||||
int swizzle_log_tile;
|
||||
|
||||
typename Mma::IteratorA::Params params_A;
|
||||
typename Mma::IteratorB::Params params_B;
|
||||
typename EpilogueVisitor::ScaleTileIterator::Params params_alpha_col;
|
||||
typename EpilogueVisitor::ScaleTileIterator::Params params_alpha_row;
|
||||
typename EpilogueVisitor::OutputTileIterator::Params params_C;
|
||||
typename EpilogueVisitor::OutputTileIterator::Params params_D;
|
||||
|
||||
GemmUniversalMode mode;
|
||||
int batch_count;
|
||||
int gemm_k_size;
|
||||
|
||||
void* ptr_A;
|
||||
void* ptr_B;
|
||||
typename EpilogueVisitor::ScaleTileIterator::Element* ptr_alpha_col;
|
||||
typename EpilogueVisitor::ScaleTileIterator::Element* ptr_alpha_row;
|
||||
ElementC* ptr_C;
|
||||
ElementC* ptr_D;
|
||||
|
||||
int64_t batch_stride_A;
|
||||
int64_t batch_stride_B;
|
||||
|
||||
typename EpilogueVisitor::Params epilogue_visitor;
|
||||
|
||||
//
|
||||
// Methods
|
||||
//
|
||||
|
||||
CUTLASS_HOST_DEVICE
|
||||
Params()
|
||||
: swizzle_log_tile(0),
|
||||
params_A(0),
|
||||
params_B(0),
|
||||
params_alpha_col(0),
|
||||
params_C(0),
|
||||
params_D(0),
|
||||
batch_count(0),
|
||||
gemm_k_size(0),
|
||||
mode(cutlass::gemm::GemmUniversalMode::kGemm),
|
||||
ptr_A(nullptr),
|
||||
ptr_B(nullptr),
|
||||
ptr_alpha_col(nullptr),
|
||||
ptr_alpha_row(nullptr),
|
||||
ptr_C(nullptr),
|
||||
ptr_D(nullptr),
|
||||
batch_stride_A(0),
|
||||
batch_stride_B(0) {}
|
||||
|
||||
Params(Arguments const& args, cutlass::gemm::GemmCoord const& grid_tiled_shape_, int gemm_k_size_, int* workspace_)
|
||||
: problem_size(args.problem_size),
|
||||
swizzle_log_tile(0),
|
||||
params_A(args.ref_A.layout()),
|
||||
params_B(args.ref_B.layout()),
|
||||
params_alpha_col(args.ref_alpha_col.layout()),
|
||||
params_alpha_row(args.ref_alpha_col.layout()),
|
||||
params_C(args.ref_C.layout()),
|
||||
params_D(args.ref_D.layout()),
|
||||
mode(args.mode),
|
||||
batch_count(args.batch_count),
|
||||
gemm_k_size(args.problem_size.k()),
|
||||
ptr_A(args.ref_A.data()),
|
||||
ptr_B(args.ref_B.data()),
|
||||
ptr_alpha_col(args.ref_alpha_col.data()),
|
||||
ptr_alpha_row(args.ref_alpha_row.data()),
|
||||
ptr_C(args.ref_C.data()),
|
||||
ptr_D(args.ref_D.data()),
|
||||
batch_stride_A(args.batch_stride_A),
|
||||
batch_stride_B(args.batch_stride_B),
|
||||
epilogue_visitor(args.epilogue_visitor) {
|
||||
ThreadblockSwizzle threadblock_swizzle;
|
||||
|
||||
grid_tiled_shape = threadblock_swizzle.get_tiled_shape(
|
||||
args.problem_size, {ThreadblockShape::kM, ThreadblockShape::kN, ThreadblockShape::kK}, args.batch_count);
|
||||
|
||||
if (args.mode == GemmUniversalMode::kGemm || args.mode == GemmUniversalMode::kGemmSplitKParallel) {
|
||||
int const kAlignK =
|
||||
const_max(const_max(128 / sizeof_bits<ElementA>::value, 128 / sizeof_bits<ElementB>::value), 1);
|
||||
|
||||
gemm_k_size = round_up(ceil_div(args.problem_size.k(), args.batch_count), kAlignK);
|
||||
|
||||
if (gemm_k_size) {
|
||||
grid_tiled_shape.k() = ceil_div(args.problem_size.k(), gemm_k_size);
|
||||
}
|
||||
}
|
||||
|
||||
swizzle_log_tile = threadblock_swizzle.get_log_tile(grid_tiled_shape);
|
||||
}
|
||||
};
|
||||
|
||||
/// Shared memory storage structure
|
||||
union SharedStorage {
|
||||
typename Mma::SharedStorage main_loop;
|
||||
|
||||
struct {
|
||||
typename Epilogue::SharedStorage epilogue;
|
||||
typename EpilogueVisitor::SharedStorage visitor;
|
||||
} epilogue;
|
||||
};
|
||||
|
||||
public:
|
||||
//
|
||||
// Methods
|
||||
//
|
||||
|
||||
CUTLASS_DEVICE
|
||||
GemmWithEpilogueVisitor() {}
|
||||
|
||||
/// Determines whether kernel satisfies alignment
|
||||
static Status can_implement(cutlass::gemm::GemmCoord const& problem_size) {
|
||||
CUTLASS_TRACE_HOST("GemmWithEpilogueVisitor::can_implement()");
|
||||
|
||||
static int const kAlignmentA = Mma::IteratorA::AccessType::kElements;
|
||||
static int const kAlignmentB = Mma::IteratorB::AccessType::kElements;
|
||||
static int const kAlignmentC = EpilogueVisitor::OutputTileIterator::kElementsPerAccess;
|
||||
|
||||
bool isAMisaligned = false;
|
||||
bool isBMisaligned = false;
|
||||
bool isCMisaligned = false;
|
||||
|
||||
if (platform::is_same<LayoutA, layout::RowMajor>::value) {
|
||||
isAMisaligned = problem_size.k() % kAlignmentA;
|
||||
} else if (platform::is_same<LayoutA, layout::ColumnMajor>::value) {
|
||||
isAMisaligned = problem_size.m() % kAlignmentA;
|
||||
} else if (
|
||||
platform::is_same<LayoutA, layout::ColumnMajorInterleaved<32>>::value ||
|
||||
platform::is_same<LayoutA, layout::ColumnMajorInterleaved<64>>::value) {
|
||||
isAMisaligned = problem_size.k() % kAlignmentA;
|
||||
}
|
||||
|
||||
if (platform::is_same<LayoutB, layout::RowMajor>::value) {
|
||||
isBMisaligned = problem_size.n() % kAlignmentB;
|
||||
} else if (platform::is_same<LayoutB, layout::ColumnMajor>::value) {
|
||||
isBMisaligned = problem_size.k() % kAlignmentB;
|
||||
} else if (
|
||||
platform::is_same<LayoutB, layout::RowMajorInterleaved<32>>::value ||
|
||||
platform::is_same<LayoutB, layout::RowMajorInterleaved<64>>::value) {
|
||||
isBMisaligned = problem_size.k() % kAlignmentB;
|
||||
}
|
||||
|
||||
if (platform::is_same<LayoutC, layout::RowMajor>::value) {
|
||||
isCMisaligned = problem_size.n() % kAlignmentC;
|
||||
} else if (platform::is_same<LayoutC, layout::ColumnMajor>::value) {
|
||||
isCMisaligned = problem_size.m() % kAlignmentC;
|
||||
} else if (
|
||||
platform::is_same<LayoutC, layout::ColumnMajorInterleaved<32>>::value ||
|
||||
platform::is_same<LayoutC, layout::ColumnMajorInterleaved<64>>::value) {
|
||||
isCMisaligned = problem_size.n() % kAlignmentC;
|
||||
}
|
||||
|
||||
if (isAMisaligned) {
|
||||
CUTLASS_TRACE_HOST(" returning kErrorMisalignedOperand for A operand");
|
||||
return Status::kErrorMisalignedOperand;
|
||||
}
|
||||
|
||||
if (isBMisaligned) {
|
||||
CUTLASS_TRACE_HOST(" returning kErrorMisalignedOperand for B operand");
|
||||
return Status::kErrorMisalignedOperand;
|
||||
}
|
||||
|
||||
if (isCMisaligned) {
|
||||
CUTLASS_TRACE_HOST(" returning kErrorMisalignedOperand for C operand");
|
||||
return Status::kErrorMisalignedOperand;
|
||||
}
|
||||
|
||||
CUTLASS_TRACE_HOST(" returning kSuccess");
|
||||
|
||||
return Status::kSuccess;
|
||||
}
|
||||
|
||||
static Status can_implement(Arguments const& args) {
|
||||
return can_implement(args.problem_size);
|
||||
}
|
||||
|
||||
static size_t get_extra_workspace_size(Arguments const& args, cutlass::gemm::GemmCoord const& grid_tiled_shape) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define SPLIT_K_ENABLED 1
|
||||
|
||||
/// Executes one GEMM
|
||||
CUTLASS_DEVICE
|
||||
void run_kernel_(Params const& params, SharedStorage& shared_storage) {
|
||||
// Compute threadblock location
|
||||
ThreadblockSwizzle threadblock_swizzle;
|
||||
|
||||
cutlass::gemm::GemmCoord threadblock_tile_offset = threadblock_swizzle.get_tile_offset(params.swizzle_log_tile);
|
||||
|
||||
// Early exit if CTA is out of range
|
||||
if (params.grid_tiled_shape.m() <= threadblock_tile_offset.m() ||
|
||||
params.grid_tiled_shape.n() <= threadblock_tile_offset.n()) {
|
||||
return;
|
||||
}
|
||||
|
||||
int offset_k = 0;
|
||||
int problem_size_k = params.problem_size.k();
|
||||
|
||||
ElementA* ptr_A = static_cast<ElementA*>(params.ptr_A);
|
||||
ElementB* ptr_B = static_cast<ElementB*>(params.ptr_B);
|
||||
|
||||
#if SPLIT_K_ENABLED
|
||||
//
|
||||
// Fetch pointers based on mode.
|
||||
//
|
||||
if (params.mode == GemmUniversalMode::kGemm || params.mode == GemmUniversalMode::kGemmSplitKParallel) {
|
||||
if (threadblock_tile_offset.k() + 1 < params.grid_tiled_shape.k()) {
|
||||
problem_size_k = (threadblock_tile_offset.k() + 1) * params.gemm_k_size;
|
||||
}
|
||||
|
||||
offset_k = threadblock_tile_offset.k() * params.gemm_k_size;
|
||||
} else if (params.mode == GemmUniversalMode::kBatched) {
|
||||
ptr_A += threadblock_tile_offset.k() * params.batch_stride_A;
|
||||
ptr_B += threadblock_tile_offset.k() * params.batch_stride_B;
|
||||
} else if (params.mode == GemmUniversalMode::kArray) {
|
||||
ptr_A = static_cast<ElementA* const*>(params.ptr_A)[threadblock_tile_offset.k()];
|
||||
ptr_B = static_cast<ElementB* const*>(params.ptr_B)[threadblock_tile_offset.k()];
|
||||
}
|
||||
#endif
|
||||
|
||||
// Compute initial location in logical coordinates
|
||||
cutlass::MatrixCoord tb_offset_A{
|
||||
threadblock_tile_offset.m() * Mma::Shape::kM,
|
||||
offset_k,
|
||||
};
|
||||
|
||||
cutlass::MatrixCoord tb_offset_B{offset_k, threadblock_tile_offset.n() * Mma::Shape::kN};
|
||||
|
||||
// Compute position within threadblock
|
||||
int thread_idx = threadIdx.x;
|
||||
|
||||
// Construct iterators to A and B operands
|
||||
typename Mma::IteratorA iterator_A(
|
||||
params.params_A, ptr_A, {params.problem_size.m(), problem_size_k}, thread_idx, tb_offset_A);
|
||||
|
||||
typename Mma::IteratorB iterator_B(
|
||||
params.params_B, ptr_B, {problem_size_k, params.problem_size.n()}, thread_idx, tb_offset_B);
|
||||
|
||||
// Broadcast the warp_id computed by lane 0 to ensure dependent code
|
||||
// is compiled as warp-uniform.
|
||||
int warp_idx = __shfl_sync(0xffffffff, threadIdx.x / 32, 0);
|
||||
|
||||
int lane_idx = threadIdx.x % 32;
|
||||
|
||||
//
|
||||
// Main loop
|
||||
//
|
||||
|
||||
// Construct thread-scoped matrix multiply
|
||||
Mma mma(shared_storage.main_loop, thread_idx, warp_idx, lane_idx);
|
||||
|
||||
typename Mma::FragmentC accumulators;
|
||||
|
||||
accumulators.clear();
|
||||
|
||||
// Compute threadblock-scoped matrix multiply-add
|
||||
int gemm_k_iterations = (problem_size_k - offset_k + Mma::Shape::kK - 1) / Mma::Shape::kK;
|
||||
|
||||
// Compute threadblock-scoped matrix multiply-add
|
||||
mma(gemm_k_iterations, accumulators, iterator_A, iterator_B, accumulators);
|
||||
|
||||
//
|
||||
// Masked tile iterators constructed from members
|
||||
//
|
||||
|
||||
threadblock_tile_offset = threadblock_swizzle.get_tile_offset(params.swizzle_log_tile);
|
||||
|
||||
// assume identity swizzle
|
||||
MatrixCoord threadblock_offset(
|
||||
threadblock_tile_offset.m() * Mma::Shape::kM, threadblock_tile_offset.n() * Mma::Shape::kN);
|
||||
|
||||
int block_idx = threadblock_tile_offset.m() + threadblock_tile_offset.n() * params.grid_tiled_shape.m();
|
||||
|
||||
//
|
||||
// Construct the epilogue visitor
|
||||
//
|
||||
|
||||
bool with_bias = true;
|
||||
if (params.ptr_C == nullptr) {
|
||||
with_bias = false;
|
||||
}
|
||||
|
||||
EpilogueVisitor epilogue_visitor(
|
||||
params.epilogue_visitor,
|
||||
shared_storage.epilogue.visitor,
|
||||
params.problem_size.mn(),
|
||||
thread_idx,
|
||||
warp_idx,
|
||||
lane_idx,
|
||||
params.params_alpha_col,
|
||||
params.params_C,
|
||||
params.params_D,
|
||||
with_bias,
|
||||
true,
|
||||
true,
|
||||
params.ptr_alpha_row,
|
||||
params.ptr_alpha_col,
|
||||
params.ptr_C,
|
||||
params.ptr_D,
|
||||
threadblock_offset,
|
||||
blockIdx.y * params.problem_size.m());
|
||||
|
||||
if (params.mode == GemmUniversalMode::kGemm) {
|
||||
// Indicate which position in a serial reduction the output operator is currently updating
|
||||
epilogue_visitor.set_k_partition(threadblock_tile_offset.k(), params.grid_tiled_shape.k());
|
||||
} else if (params.mode == GemmUniversalMode::kBatched || params.mode == GemmUniversalMode::kArray) {
|
||||
epilogue_visitor.set_batch_index(threadblock_tile_offset.k());
|
||||
}
|
||||
|
||||
// Construct the epilogue
|
||||
Epilogue epilogue(shared_storage.epilogue.epilogue, thread_idx, warp_idx, lane_idx);
|
||||
|
||||
// Execute the epilogue operator to update the destination tensor.
|
||||
epilogue(epilogue_visitor, accumulators);
|
||||
}
|
||||
|
||||
template <typename CompilationArch>
|
||||
CUTLASS_DEVICE void run_kernel(Params const& params, SharedStorage& shared_storage) {
|
||||
if constexpr (platform::is_same<ArchTag, CompilationArch>::value) {
|
||||
run_kernel_(params, shared_storage);
|
||||
} else {
|
||||
CUTLASS_NOT_IMPLEMENTED();
|
||||
}
|
||||
}
|
||||
|
||||
/// Executes one GEMM
|
||||
CUTLASS_DEVICE
|
||||
void operator()(Params const& params, SharedStorage& shared_storage) {
|
||||
run_kernel<ArchTag>(params, shared_storage);
|
||||
}
|
||||
};
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
} // namespace kernel
|
||||
} // namespace gemm
|
||||
} // namespace cutlass
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
Reference in New Issue
Block a user