159 lines
5.2 KiB
C++
159 lines
5.2 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2024 - 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************************/
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#pragma once
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#include "../collective/fmha_collective_tma.hpp"
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#include "../collective/fmha_collective_tma_warpspecialized.hpp"
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#include "../collective/fmha_epilogue.hpp"
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#include "../kernel/fmha_kernel_tma.hpp"
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#include "../kernel/fmha_kernel_tma_warpspecialized.hpp"
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#include "../kernel/fmha_options.hpp"
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namespace cutlass::fmha::kernel {
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template<
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class Element_,
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class ElementAccumulatorQK_,
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class ElementAccumulatorPV_,
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class TileShape_, // BlockQO, BlockKV, BlockHead
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class LayoutQ_,
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class LayoutK_,
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class LayoutV_,
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class Fusion,
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class DispatchPolicy,
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class... Options
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>
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struct FmhaBuilder;
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template<
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class Element,
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class ElementAccumulator,
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class TileShape, // BlockQO, BlockKV, BlockHead
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class Fusion,
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class... Options
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>
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struct FmhaBuilder<
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Element,
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ElementAccumulator,
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ElementAccumulator,
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TileShape,
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cute::tuple<int, _1, cute::tuple<int, int>>,
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cute::tuple<int, _1, cute::tuple<int, int>>,
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cute::tuple<int, _1, cute::tuple<int, int>>,
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Fusion,
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cutlass::gemm::KernelTma,
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Options...
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> {
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using CollectiveMainloop = cutlass::fmha::collective::FmhaMainloopTma<Element, ElementAccumulator, TileShape, Fusion, Options...>;
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using CollectiveEpilogue = cutlass::fmha::collective::FmhaFwdEpilogue<
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Element, ElementAccumulator, typename CollectiveMainloop::TileShapePV>;
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using Kernel = cutlass::fmha::kernel::FmhaKernelTma<CollectiveMainloop, CollectiveEpilogue, Options...>;
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};
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template<
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class Element,
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class ElementAccumulatorQK,
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class ElementAccumulatorPV,
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class TileShape, // BlockQO, BlockKV, BlockHead
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class LayoutQ,
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class LayoutK,
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class LayoutV,
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class Fusion,
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class... Options
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>
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struct FmhaBuilder<
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Element,
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ElementAccumulatorQK,
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ElementAccumulatorPV,
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TileShape,
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LayoutQ,
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LayoutK,
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LayoutV,
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Fusion,
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cutlass::gemm::KernelTmaWarpSpecializedCooperative,
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Options...
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> {
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using CollectiveMainloop = cutlass::fmha::collective::FmhaMainloopTmaWarpSpecialized<
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Element, ElementAccumulatorQK, ElementAccumulatorPV,
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TileShape, LayoutQ, LayoutK, LayoutV,
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Fusion, Options...>;
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using CollectiveEpilogue = cutlass::fmha::collective::FmhaFwdEpilogue<
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Element, ElementAccumulatorPV, typename CollectiveMainloop::TileShapePV>;
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static constexpr bool kIsPersistent = find_option_t<Tag::kIsPersistent, false_type, Options...>::value;
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using TileScheduler = std::conditional_t<kIsPersistent, cutlass::fmha::kernel::PersistentTileScheduler, cutlass::fmha::kernel::IndividualTileScheduler>;
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using Kernel = cutlass::fmha::kernel::FmhaKernelTmaWarpSpecialized<CollectiveMainloop, CollectiveEpilogue, TileScheduler, Options...>;
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};
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template<
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class Element,
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class ElementAccumulatorQK,
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class ElementAccumulatorPV,
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class TileShape, // BlockQO, BlockKV, BlockHead
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class LayoutQ,
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class LayoutK,
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class LayoutV,
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class Fusion,
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class... Options
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>
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struct FmhaBuilder<
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Element,
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ElementAccumulatorQK,
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ElementAccumulatorPV,
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TileShape,
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LayoutQ,
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LayoutK,
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LayoutV,
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Fusion,
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cutlass::gemm::KernelTmaWarpSpecializedPingpong,
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Options...
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> {
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using Kernel = typename FmhaBuilder<
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Element, ElementAccumulatorQK, ElementAccumulatorPV,
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TileShape,
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LayoutQ, LayoutK, LayoutV,
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Fusion,
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cutlass::gemm::KernelTmaWarpSpecializedCooperative,
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Options...,
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Option<Tag::kIsPersistent, true_type>,
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Option<Tag::kLoadsQSeparately, true_type>
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>::Kernel;
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};
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} // namespace cutlass::fmha::kernel
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