Brandon Potter
141 righe
4.0 KiB
C++
141 righe
4.0 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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#ifndef ROCSHMEM_ABQL_BLOCK_MUTEX_GTEST_HPP
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#define ROCSHMEM_ABQL_BLOCK_MUTEX_GTEST_HPP
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#include "gtest/gtest.h"
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#include "../src/memory/hip_allocator.hpp"
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#include "../src/sync/abql_block_mutex.hpp"
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#include "../src/util.hpp"
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namespace rocshmem {
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inline __device__
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void
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increment_counter(ABQLBlockMutex *mutex,
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size_t *counter) {
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auto ticket {mutex->lock()};
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(*counter)++;
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__threadfence();
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mutex->unlock(ticket);
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}
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__global__
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void
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all_threads_once(ABQLBlockMutex *mutex,
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size_t *counter) {
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increment_counter(mutex, counter);
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}
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__global__
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void
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block_leader_once(ABQLBlockMutex *mutex,
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size_t *counter) {
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if (is_thread_zero_in_block()) {
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increment_counter(mutex, counter);
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}
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}
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__global__
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void
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warp_leader_once(ABQLBlockMutex *mutex,
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size_t *counter) {
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if (is_thread_zero_in_wave()) {
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increment_counter(mutex, counter);
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}
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}
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class ABQLBlockMutexTestFixture : public ::testing::Test {
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public:
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ABQLBlockMutexTestFixture() {
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assert(mutex_ == nullptr);
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hip_allocator_.allocate((void**)&mutex_, sizeof(ABQLBlockMutex));
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assert(mutex_);
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new (mutex_) ABQLBlockMutex();
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assert(counter_ == nullptr);
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hip_allocator_.allocate((void**)&counter_, sizeof(int));
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assert(counter_);
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*counter_ = 0;
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}
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~ABQLBlockMutexTestFixture() {
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if (mutex_) {
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hip_allocator_.deallocate(mutex_);
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}
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if (counter_) {
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hip_allocator_.deallocate(counter_);
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}
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}
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void
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run_all_threads_once(uint32_t x_block_dim,
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uint32_t x_grid_dim) {
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const dim3 hip_blocksize(x_block_dim, 1, 1);
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const dim3 hip_gridsize(x_grid_dim, 1, 1);
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hipLaunchKernelGGL(all_threads_once,
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hip_gridsize,
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hip_blocksize,
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0,
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nullptr,
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mutex_,
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counter_);
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hipError_t return_code = hipStreamSynchronize(nullptr);
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if (return_code != hipSuccess) {
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printf("Failed in stream synchronize\n");
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assert(return_code == hipSuccess);
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}
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size_t number_threads {x_block_dim * x_grid_dim};
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ASSERT_EQ(*counter_, number_threads);
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}
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protected:
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/**
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* @brief An allocator to create objects in device memory.
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*/
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HIPAllocator hip_allocator_ {};
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/**
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* @brief A mutex to prevent data races.
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*/
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ABQLBlockMutex *mutex_ {nullptr};
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/**
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* @brief A monotonically increasing counter to track accesses.
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*/
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size_t *counter_ {nullptr};
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};
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} // namespace rocshmem
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#endif // ROCSHMEM_ABQL_BLOCK_MUTEX_GTEST_HPP
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