Brandon Potter
90 línte
3.4 KiB
C++
90 línte
3.4 KiB
C++
/******************************************************************************
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* Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*****************************************************************************/
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#include "ping_pong_tester.hpp"
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#include <roc_shmem/roc_shmem.hpp>
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using namespace rocshmem;
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/******************************************************************************
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* DEVICE TEST KERNEL
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*****************************************************************************/
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__global__ void PingPongTest(int loop, int skip, uint64_t *timer, int *r_buf,
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ShmemContextType ctx_type) {
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__shared__ roc_shmem_ctx_t ctx;
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roc_shmem_wg_init();
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roc_shmem_wg_ctx_create(ctx_type, &ctx);
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int pe = roc_shmem_ctx_my_pe(ctx);
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if (hipThreadIdx_x == 0) {
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uint64_t start;
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for (int i = 0; i < loop + skip; i++) {
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if (i == skip) {
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start = roc_shmem_timer();
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}
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if (pe == 0) {
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roc_shmem_ctx_int_p(ctx, &r_buf[hipBlockIdx_x], i + 1, 1);
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roc_shmem_int_wait_until(&r_buf[hipBlockIdx_x], ROC_SHMEM_CMP_EQ,
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i + 1);
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} else {
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roc_shmem_int_wait_until(&r_buf[hipBlockIdx_x], ROC_SHMEM_CMP_EQ,
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i + 1);
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roc_shmem_ctx_int_p(ctx, &r_buf[hipBlockIdx_x], i + 1, 0);
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}
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}
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timer[hipBlockIdx_x] = roc_shmem_timer() - start;
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}
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roc_shmem_wg_ctx_destroy(&ctx);
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roc_shmem_wg_finalize();
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}
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/******************************************************************************
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* HOST TESTER CLASS METHODS
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*****************************************************************************/
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PingPongTester::PingPongTester(TesterArguments args) : Tester(args) {
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r_buf = (int *)roc_shmem_malloc(sizeof(int) * args.wg_size);
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}
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PingPongTester::~PingPongTester() { roc_shmem_free(r_buf); }
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void PingPongTester::resetBuffers(uint64_t size) {
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memset(r_buf, 0, sizeof(int) * args.wg_size);
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}
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void PingPongTester::launchKernel(dim3 gridSize, dim3 blockSize, int loop,
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uint64_t size) {
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size_t shared_bytes = 0;
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hipLaunchKernelGGL(PingPongTest, gridSize, blockSize, shared_bytes, stream,
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loop, args.skip, timer, r_buf, _shmem_context);
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num_msgs = (loop + args.skip) * gridSize.x;
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num_timed_msgs = loop;
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}
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void PingPongTester::verifyResults(uint64_t size) {}
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