130 lines
3.9 KiB
C++
130 lines
3.9 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2023 - 2023 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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/*! \file
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\brief Utilities for selecting default tile schedulers
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*/
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#include "cutlass/detail/dependent_false.hpp"
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#include "cutlass/gemm/kernel/sm90_tile_scheduler.hpp"
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#include "cutlass/gemm/kernel/sm90_tile_scheduler_stream_k.hpp"
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////////////////////////////////////////////////////////////////////////////////
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namespace cutlass::gemm {
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////////////////////////////////////////////////////////////////////////////////
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//
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// Tags for specifying tile schedulers
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//
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struct PersistentScheduler { };
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struct StreamKScheduler { };
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////////////////////////////////////////////////////////////////////////////////
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} // namespace cutlass::gemm
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////////////////////////////////////////////////////////////////////////////////
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namespace cutlass::gemm::kernel::detail {
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//
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// Selectors mapping tile scheduler tag and arch tag to a tile scheduler class
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//
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template <
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class TileSchedulerTag,
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class ArchTag,
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class TileShape,
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class ClusterShape
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>
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struct TileSchedulerSelector {
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static_assert(cutlass::detail::dependent_false<ArchTag>,
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"Could not select a tile scheduler for given parameters.");
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};
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template <
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class ArchTag,
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class TileShape,
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class ClusterShape
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>
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struct TileSchedulerSelector<
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PersistentScheduler,
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ArchTag,
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TileShape,
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ClusterShape
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> {
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using Scheduler = PersistentTileSchedulerSm90;
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};
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// Default (void) for Sm90 maps to PersistentTileSchedulerSm90
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template <
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class ArchTag,
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class TileShape,
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class ClusterShape
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>
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struct TileSchedulerSelector<
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void,
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ArchTag,
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TileShape,
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ClusterShape
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> {
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using Scheduler = typename TileSchedulerSelector<
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PersistentScheduler,
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ArchTag,
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TileShape,
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ClusterShape
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>::Scheduler;
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};
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template <
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class TileShape,
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class ClusterShape
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>
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struct TileSchedulerSelector<
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StreamKScheduler,
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arch::Sm90,
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TileShape,
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ClusterShape
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> {
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using Scheduler = PersistentTileSchedulerSm90StreamK<TileShape, ClusterShape>;
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};
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////////////////////////////////////////////////////////////////////////////////
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} // namespace cutlass::gemm::kernel::detail
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////////////////////////////////////////////////////////////////////////////////
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