[Kernel]: Cutlass 2:4 Sparsity + FP8/Int8 Quant Support (#10995)
Co-authored-by: Faraz Shahsavan <faraz.shahsavan@gmail.com> Co-authored-by: ilmarkov <markovilya197@gmail.com> Co-authored-by: Rahul Tuli <rahul@neuralmagic.com> Co-authored-by: rshaw@neuralmagic.com <rshaw@neuralmagic.com>
This commit is contained in:
Dipika Sikka
496
csrc/sparse/cutlass/sparse_scaled_mm_c3x.cuh
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496
csrc/sparse/cutlass/sparse_scaled_mm_c3x.cuh
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@@ -0,0 +1,496 @@
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// clang-format will break include orders
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// clang-format off
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#include <cudaTypedefs.h>
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#include <torch/all.h>
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#include <ATen/cuda/CUDAContext.h>
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#include "cutlass/cutlass.h"
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#include "cutlass/gemm/device/gemm_universal_adapter.h"
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#include "cutlass/epilogue/collective/collective_builder.hpp"
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#include "cutlass/gemm/collective/collective_builder.hpp"
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#include "core/math.hpp"
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#include "cutlass_extensions/cute_utils.cuh"
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#include "cutlass_extensions/epilogue/scaled_mm_epilogues_c3x.hpp"
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#include "cutlass_extensions/common.hpp"
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#include "cutlass_extensions/torch_utils.hpp"
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// clang-format on
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using namespace cute;
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/*
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This file defines sparse quantized GEMM operations using the CUTLASS 3.x API,
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for NVIDIA GPUs with sm90a (Hopper) or later.
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*/
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namespace {
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// A wrapper for the GEMM kernel that is used to guard against compilation on
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// architectures that will never use the kernel. The purpose of this is to
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// reduce the size of the compiled binary.
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// __CUDA_ARCH__ is not defined in host code, so this lets us smuggle the ifdef
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// into code that will be executed on the device where it is defined.
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template <typename Kernel>
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struct enable_sm90_or_later : Kernel {
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template <typename... Args>
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CUTLASS_DEVICE void operator()(Args&&... args) {
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#if defined __CUDA_ARCH__ && __CUDA_ARCH__ >= 900
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Kernel::operator()(std::forward<Args>(args)...);
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#endif
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}
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};
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using GemmUniversalMode = cutlass::gemm::GemmUniversalMode;
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template <typename ElementAB_, typename ElementD_,
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template <typename, typename, typename> typename Epilogue_,
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typename TileShape, typename ClusterShape, typename KernelSchedule,
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typename EpilogueSchedule, typename AccType,
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typename TileSchedule = cutlass::gemm::PersistentScheduler,
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GemmUniversalMode Mode_ = GemmUniversalMode::kGemm>
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struct cutlass_sparse_3x_gemm {
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static const GemmUniversalMode Mode = Mode_;
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using ElementAB = ElementAB_;
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using ElementD = ElementD_;
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using ElementAcc = AccType;
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using EpilogueDescriptor =
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cutlass::epilogue::collective::detail::EpilogueDescriptor<
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TileShape, cutlass::epilogue::collective::EpilogueTileAuto, ElementD,
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ElementD, EpilogueSchedule>;
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using Epilogue = Epilogue_<ElementAcc, ElementD, EpilogueDescriptor>;
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using ElementC = void;
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using LayoutC = cutlass::layout::RowMajor;
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using LayoutD = LayoutC;
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using StrideC = cutlass::detail::TagToStrideA_t<LayoutC>;
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using StrideD = cutlass::detail::TagToStrideA_t<LayoutD>;
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using LayoutC_Transpose =
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typename cutlass::layout::LayoutTranspose<LayoutC>::type;
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using LayoutD_Transpose =
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typename cutlass::layout::LayoutTranspose<LayoutD>::type;
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using EVTCompute = typename Epilogue::EVTCompute;
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static constexpr int AlignmentA =
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128 / cutlass::sizeof_bits<ElementAB>::value;
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static constexpr int AlignmentB =
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128 / cutlass::sizeof_bits<ElementAB>::value;
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static constexpr int AlignmentCD =
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128 / cutlass::sizeof_bits<ElementD>::value;
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using CollectiveEpilogue =
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typename cutlass::epilogue::collective::CollectiveBuilder<
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cutlass::arch::Sm90, cutlass::arch::OpClassTensorOp, TileShape,
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ClusterShape, cutlass::epilogue::collective::EpilogueTileAuto,
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ElementAcc, ElementAcc, ElementC, LayoutC_Transpose, AlignmentCD,
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ElementD, LayoutD_Transpose, AlignmentCD, EpilogueSchedule,
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EVTCompute>::CollectiveOp;
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static constexpr size_t CEStorageSize =
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sizeof(typename CollectiveEpilogue::SharedStorage);
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using Stages = typename cutlass::gemm::collective::StageCountAutoCarveout<
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static_cast<int>(CEStorageSize)>;
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// clang-format off
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using CollectiveMainloop =
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typename cutlass::gemm::collective::CollectiveBuilder<
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cutlass::arch::Sm90, cutlass::arch::OpClassSparseTensorOp,
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ElementAB, cutlass::layout::RowMajor, AlignmentA,
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ElementAB, cutlass::layout::ColumnMajor, AlignmentB,
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ElementAcc, TileShape, ClusterShape,
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Stages,
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KernelSchedule>::CollectiveOp;
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// clang-format on
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using KernelType = enable_sm90_or_later<cutlass::gemm::kernel::GemmUniversal<
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cute::Shape<int, int, int, int>, CollectiveMainloop, CollectiveEpilogue,
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TileSchedule>>;
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struct GemmKernel : public KernelType {};
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};
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template <typename Gemm, typename... EpilogueArgs>
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void cutlass_sparse_gemm_caller(torch::Tensor& out, torch::Tensor const& a,
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torch::Tensor const& bt_nzs,
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torch::Tensor const& bt_meta,
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EpilogueArgs&&... epilogue_params) {
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using ElementAB = typename Gemm::ElementAB;
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using ElementD = typename Gemm::ElementD;
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// Interface stride expected from the argument a (will get transposed)
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// We compute C^T = B^T * A^T, but we assume B is transposed before
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// compression and hence the bt_* naming
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using LayoutA = cutlass::layout::RowMajor;
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using LayoutB = typename Gemm::GemmKernel::CollectiveMainloop::LayoutA;
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using LayoutE = typename Gemm::GemmKernel::CollectiveMainloop::LayoutE;
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using LayoutD = cutlass::layout::RowMajor;
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using StrideA = cutlass::detail::TagToStrideA_t<LayoutA>;
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using StrideD = cutlass::detail::TagToStrideA_t<LayoutD>;
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auto layout_A = make_cute_layout<StrideA>(a, "A");
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auto layout_D = make_cute_layout<StrideD>(out, "D");
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// Transpose A and D
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// A doesn't need to be transposed since cutlass expects a NxK matrix
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// for B (which is At)
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auto stride_At = layout_A.stride();
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auto stride_Dt = permute_layout<1, 0, 2>(layout_D).stride();
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using GemmKernel = typename Gemm::GemmKernel;
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typename GemmKernel::ProblemShape prob_shape{
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static_cast<int>(bt_nzs.size(0)), static_cast<int>(size<0>(layout_A)),
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static_cast<int>(size<1>(layout_A)), 1};
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using ElementE = typename GemmKernel::CollectiveMainloop::ElementE;
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using SparseConfig = typename GemmKernel::CollectiveMainloop::SparseConfig;
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LayoutB b_layout = SparseConfig::fill_layoutA(prob_shape);
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LayoutE e_layout = SparseConfig::fill_layoutE(prob_shape);
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auto a_ptr = static_cast<ElementAB*>(a.data_ptr());
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auto b_ptr = static_cast<ElementAB*>(bt_nzs.data_ptr());
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auto e_ptr = static_cast<ElementE*>(bt_meta.data_ptr());
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typename GemmKernel::MainloopArguments mainloop_args{
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b_ptr, b_layout, a_ptr, stride_At, e_ptr, e_layout};
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auto c_ptr = static_cast<ElementD*>(out.data_ptr());
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typename GemmKernel::EpilogueArguments epilogue_args{
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Gemm::Epilogue::prepare_args(
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std::forward<EpilogueArgs>(epilogue_params)...),
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c_ptr, stride_Dt, c_ptr, stride_Dt};
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typename GemmKernel::Arguments args{cutlass::gemm::GemmUniversalMode::kGemm,
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prob_shape, mainloop_args, epilogue_args};
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// Launch the CUTLASS GEMM kernel.
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using GemmOp = cutlass::gemm::device::GemmUniversalAdapter<GemmKernel>;
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GemmOp gemm_op;
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CUTLASS_CHECK(gemm_op.can_implement(args));
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size_t workspace_size = gemm_op.get_workspace_size(args);
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auto const workspace_options =
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torch::TensorOptions().dtype(torch::kUInt8).device(a.device());
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auto workspace = torch::empty(workspace_size, workspace_options);
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auto stream = at::cuda::getCurrentCUDAStream(a.get_device());
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cutlass::Status status = gemm_op.run(args, workspace.data_ptr(), stream);
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CUTLASS_CHECK(status);
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}
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_config_default {};
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template <typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_config_default<half_t, OutType, Epilogue> {
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// M in (128, inf)
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using KernelSchedule = cutlass::gemm::KernelTmaWarpSpecializedPingpong;
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using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
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using TileShape = Shape<_128, _128, _128>;
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using ClusterShape = Shape<_2, _1, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<half_t, OutType, Epilogue, TileShape, ClusterShape,
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KernelSchedule, EpilogueSchedule, float>;
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};
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template <typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_config_default<cutlass::bfloat16_t, OutType, Epilogue> {
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// M in (128, inf)
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using KernelSchedule = cutlass::gemm::KernelTmaWarpSpecializedPingpong;
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using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
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using TileShape = Shape<_128, _128, _128>;
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using ClusterShape = Shape<_2, _1, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<cutlass::bfloat16_t, OutType, Epilogue, TileShape,
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ClusterShape, KernelSchedule, EpilogueSchedule,
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float>;
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};
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//////////////////////// Cherry-Picking Kernels ////////////////////////
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_1 {
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule = cutlass::gemm::KernelTmaWarpSpecializedFP8FastAccum;
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using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
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using TileShape = Shape<_64, _64, _256>;
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using ClusterShape = Shape<_8, _1, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
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KernelSchedule, EpilogueSchedule, float>;
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};
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_2 {
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule =
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cutlass::gemm::KernelTmaWarpSpecializedCooperativeFP8FastAccum;
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using EpilogueSchedule =
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typename cutlass::epilogue::TmaWarpSpecializedCooperative;
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using TileShape = Shape<_128, _64, _256>;
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using ClusterShape = Shape<_8, _1, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
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KernelSchedule, EpilogueSchedule, float>;
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};
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_3 {
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule = cutlass::gemm::KernelTmaWarpSpecializedFP8FastAccum;
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using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
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using TileShape = Shape<_64, _64, _256>;
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using ClusterShape = Shape<_1, _2, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
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KernelSchedule, EpilogueSchedule, float>;
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};
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_4 {
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule = cutlass::gemm::KernelTmaWarpSpecializedFP8FastAccum;
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using EpilogueSchedule =
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typename cutlass::epilogue::TmaWarpSpecializedCooperative;
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using TileShape = Shape<_64, _128, _256>;
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using ClusterShape = Shape<_8, _1, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
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KernelSchedule, EpilogueSchedule, float>;
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};
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_5 {
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule =
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cutlass::gemm::KernelTmaWarpSpecializedPingpongFP8FastAccum;
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using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
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using TileShape = Shape<_128, _128, _256>;
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using ClusterShape = Shape<_8, _1, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
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KernelSchedule, EpilogueSchedule, float>;
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};
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_6 {
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule = cutlass::gemm::KernelTmaWarpSpecializedFP8FastAccum;
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using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
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using TileShape = Shape<_64, _128, _256>;
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using ClusterShape = Shape<_1, _2, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
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KernelSchedule, EpilogueSchedule, float>;
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};
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_7 {
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule =
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cutlass::gemm::KernelTmaWarpSpecializedCooperativeFP8FastAccum;
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using EpilogueSchedule =
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typename cutlass::epilogue::TmaWarpSpecializedCooperative;
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using TileShape = Shape<_128, _128, _256>;
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using ClusterShape = Shape<_1, _1, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
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KernelSchedule, EpilogueSchedule, float>;
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};
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_8 {
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule =
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cutlass::gemm::KernelTmaWarpSpecializedCooperativeFP8FastAccum;
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using EpilogueSchedule =
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typename cutlass::epilogue::TmaWarpSpecializedCooperative;
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using TileShape = Shape<_128, _256, _128>;
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using ClusterShape = Shape<_8, _1, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
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KernelSchedule, EpilogueSchedule, float>;
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};
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////////////////////////////////////////////////////////////////////////
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template <typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_config_default<cutlass::float_e4m3_t, OutType, Epilogue> {
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// M in (128, inf)
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using KernelSchedule = cutlass::gemm::KernelTmaWarpSpecializedFP8FastAccum;
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using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
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using TileShape = Shape<_128, _128, _128>;
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using ClusterShape = Shape<_1, _2, _1>;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<cutlass::float_e4m3_t, OutType, Epilogue,
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TileShape, ClusterShape, KernelSchedule,
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EpilogueSchedule, float>;
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};
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_M64 {
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// M in [1, 64]
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule = cutlass::gemm::KernelTmaWarpSpecializedFP8FastAccum;
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using EpilogueSchedule =
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typename cutlass::epilogue::TmaWarpSpecializedCooperative;
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using TileShape = Shape<_64, _64, _256>;
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using ClusterShape = Shape<_1, _1, _1>;
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using TileSchedule = cutlass::gemm::PersistentScheduler;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
|
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KernelSchedule, EpilogueSchedule, float,
|
||||
TileSchedule>;
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||||
};
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template <typename InType, typename OutType,
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template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_M128 {
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// M in (64, 128]
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static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
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using KernelSchedule =
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cutlass::gemm::KernelTmaWarpSpecializedPingpongFP8FastAccum;
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using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
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using TileShape = Shape<_64, _128, _256>;
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using ClusterShape = Shape<_1, _1, _1>;
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||||
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using TileSchedule = cutlass::gemm::PersistentScheduler;
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using Cutlass3xGemm =
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cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
|
||||
KernelSchedule, EpilogueSchedule, float,
|
||||
TileSchedule>;
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||||
};
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||||
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template <typename InType, typename OutType,
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||||
template <typename, typename, typename> typename Epilogue>
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struct sm90_fp8_config_M256 {
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// M in (128, 256]
|
||||
static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
|
||||
using KernelSchedule =
|
||||
cutlass::gemm::KernelTmaWarpSpecializedCooperativeFP8FastAccum;
|
||||
using EpilogueSchedule =
|
||||
typename cutlass::epilogue::TmaWarpSpecializedCooperative;
|
||||
using TileShape = Shape<_128, _128, _256>;
|
||||
using ClusterShape = Shape<_1, _1, _1>;
|
||||
|
||||
using TileSchedule = cutlass::gemm::PersistentScheduler;
|
||||
|
||||
using Cutlass3xGemm =
|
||||
cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
|
||||
KernelSchedule, EpilogueSchedule, float,
|
||||
TileSchedule>;
|
||||
};
|
||||
|
||||
template <typename InType, typename OutType,
|
||||
template <typename, typename, typename> typename Epilogue>
|
||||
struct sm90_fp8_config_M512 {
|
||||
// M in (256, ]
|
||||
static_assert(std::is_same<InType, cutlass::float_e4m3_t>());
|
||||
using KernelSchedule =
|
||||
cutlass::gemm::KernelTmaWarpSpecializedCooperativeFP8FastAccum;
|
||||
using EpilogueSchedule =
|
||||
typename cutlass::epilogue::TmaWarpSpecializedCooperative;
|
||||
using TileShape = Shape<_128, _128, _256>;
|
||||
using ClusterShape = Shape<_1, _1, _1>;
|
||||
|
||||
using TileSchedule = cutlass::gemm::PersistentScheduler;
|
||||
|
||||
using Cutlass3xGemm =
|
||||
cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
|
||||
KernelSchedule, EpilogueSchedule, float,
|
||||
TileSchedule>;
|
||||
};
|
||||
|
||||
template <typename OutType,
|
||||
template <typename, typename, typename> typename Epilogue>
|
||||
struct sm90_config_default<int8_t, OutType, Epilogue> {
|
||||
// For M > 128 and any N
|
||||
using KernelSchedule =
|
||||
typename cutlass::gemm::KernelTmaWarpSpecializedPingpong;
|
||||
using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
|
||||
using TileShape = Shape<_128, _128, _128>;
|
||||
using ClusterShape = Shape<_2, _1, _1>;
|
||||
using Cutlass3xGemm =
|
||||
cutlass_sparse_3x_gemm<int8_t, OutType, Epilogue, TileShape, ClusterShape,
|
||||
KernelSchedule, EpilogueSchedule, int32_t>;
|
||||
};
|
||||
|
||||
template <typename InType, typename OutType,
|
||||
template <typename, typename, typename> typename Epilogue>
|
||||
struct sm90_int8_config_M128 {
|
||||
// For M in (64, 128] and any N
|
||||
static_assert(std::is_same<InType, int8_t>());
|
||||
using KernelSchedule =
|
||||
typename cutlass::gemm::KernelTmaWarpSpecializedPingpong;
|
||||
using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
|
||||
using TileShape = Shape<_64, _128, _128>;
|
||||
using ClusterShape = Shape<_2, _1, _1>;
|
||||
using Cutlass3xGemm =
|
||||
cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
|
||||
KernelSchedule, EpilogueSchedule, int32_t>;
|
||||
};
|
||||
|
||||
template <typename InType, typename OutType,
|
||||
template <typename, typename, typename> typename Epilogue>
|
||||
struct sm90_int8_config_M64 {
|
||||
// For M in (32, 64] and any N
|
||||
static_assert(std::is_same<InType, int8_t>());
|
||||
using KernelSchedule = typename cutlass::gemm::KernelTmaWarpSpecialized;
|
||||
using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
|
||||
using TileShape = Shape<_64, _64, _256>;
|
||||
using ClusterShape = Shape<_1, _1, _1>;
|
||||
using Cutlass3xGemm =
|
||||
cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
|
||||
KernelSchedule, EpilogueSchedule, int32_t>;
|
||||
};
|
||||
|
||||
template <typename InType, typename OutType,
|
||||
template <typename, typename, typename> typename Epilogue>
|
||||
struct sm90_int8_config_M32_NBig {
|
||||
// For M in [1, 32] and N >= 8192
|
||||
static_assert(std::is_same<InType, int8_t>());
|
||||
using KernelSchedule = typename cutlass::gemm::KernelTmaWarpSpecialized;
|
||||
using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
|
||||
using TileShape = Shape<_64, _128, _256>;
|
||||
using ClusterShape = Shape<_1, _4, _1>;
|
||||
using Cutlass3xGemm =
|
||||
cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
|
||||
KernelSchedule, EpilogueSchedule, int32_t>;
|
||||
};
|
||||
|
||||
template <typename InType, typename OutType,
|
||||
template <typename, typename, typename> typename Epilogue>
|
||||
struct sm90_int8_config_M32_NSmall {
|
||||
// For M in [1, 32] and N < 8192
|
||||
static_assert(std::is_same<InType, int8_t>());
|
||||
using KernelSchedule = typename cutlass::gemm::KernelTmaWarpSpecialized;
|
||||
using EpilogueSchedule = typename cutlass::epilogue::TmaWarpSpecialized;
|
||||
using TileShape = Shape<_64, _64, _256>;
|
||||
using ClusterShape = Shape<_1, _8, _1>;
|
||||
using Cutlass3xGemm =
|
||||
cutlass_sparse_3x_gemm<InType, OutType, Epilogue, TileShape, ClusterShape,
|
||||
KernelSchedule, EpilogueSchedule, int32_t>;
|
||||
};
|
||||
|
||||
} // namespace
|
||||
Reference in New Issue
Block a user