75 lines
3.1 KiB
C++
75 lines
3.1 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2024 - 2026 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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/*! \file
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\brief Device layer interface for Distributed GEMM barrier kernel.
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*/
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#pragma once
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#include "cutlass/cutlass.h"
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#include "cutlass/experimental/distributed/kernel/full_barrier.hpp"
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namespace cutlass::distributed::device {
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template <int NP, typename IntType, int Iterations, typename FlagType>
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void launch_full_barrier(
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cutlass::Array<IntType*, NP> device_arrival_ptrs,
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cutlass::Array<FlagType*, Iterations> iteration_flag_ptrs,
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IntType device_idx,
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cudaStream_t stream,
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bool launch_with_pdl) {
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#if (__CUDACC_VER_MAJOR__ > 12 || (__CUDACC_VER_MAJOR__ == 12 && __CUDACC_VER_MINOR__ >= 6))
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// Legacy (kernel) launch with PDL
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cudaLaunchAttribute attributes[1];
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attributes[0].id = cudaLaunchAttributeProgrammaticStreamSerialization;
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attributes[0].val.programmaticStreamSerializationAllowed = 1;
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cudaLaunchConfig_t launch_config;
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launch_config.gridDim = 1;
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launch_config.blockDim = 1;
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launch_config.dynamicSmemBytes = 0;
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launch_config.stream = stream;
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launch_config.attrs = attributes;
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launch_config.numAttrs = launch_with_pdl ? 1 : 0;
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cudaLaunchKernelEx(
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&launch_config,
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cutlass::distributed::kernel::full_barrier_kernel<NP, IntType, Iterations, FlagType>,
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device_arrival_ptrs,
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iteration_flag_ptrs,
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device_idx);
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#endif
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}
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} // namespace cutlass::distributed::device
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