agunashe
a4ff63a29b
Change-Id: I2cb7bbd9a6d9da28116ba9dd9cec4e60525444e2
[ROCm/hip commit: d529637fbc]
116 строки
3.6 KiB
C++
116 строки
3.6 KiB
C++
/*
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Copyright (c) 2020 - 2021 Advanced Micro Devices, Inc. All rights reserved.
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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 deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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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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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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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 FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/* HIT_START
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* BUILD_CMD: empty_kernel.code %hc --genco %S/empty_kernel.cpp -o empty_kernel.code
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* BUILD: %t %s ../../test_common.cpp NVCC_OPTIONS -std=c++11
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* TEST: %t
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* HIT_END
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*/
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#include <stdio.h>
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#include "hip/hip_runtime.h"
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#ifdef __HIP_PLATFORM_AMD__
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#include "hip/hip_ext.h"
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#endif
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#include <iostream>
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#include <fstream>
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#include <chrono>
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#include <algorithm>
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#include <atomic>
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#include <thread>
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#include <future>
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#include <functional>
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#include <vector>
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#define THREADS 8
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#define MAX_NUM_THREADS 512
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#include "test_common.h"
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#define NUM_GROUPS 1
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#define GROUP_SIZE 1
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#define WARMUP_RUN_COUNT 10
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#define TIMING_RUN_COUNT 100
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#define TOTAL_RUN_COUNT WARMUP_RUN_COUNT + TIMING_RUN_COUNT
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#define FILENAME "empty_kernel.code"
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#define kernel_name "EmptyKernel"
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void hipModuleLaunchKernel_enqueue(std::atomic_int* shared, int max_threads)
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{
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//resources necessary for this thread
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hipStream_t stream;
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HIPCHECK(hipStreamCreate(&stream));
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hipModule_t module;
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hipFunction_t function;
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HIPCHECK(hipModuleLoad(&module, FILENAME));
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HIPCHECK(hipModuleGetFunction(&function, module, kernel_name));
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void* kernel_params = nullptr;
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std::array<float, TOTAL_RUN_COUNT> results;
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//synchronize all threads, before running
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int tid = shared->fetch_add(1, std::memory_order_release);
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while (max_threads != shared->load(std::memory_order_acquire)) {}
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for (auto i = 0; i < TOTAL_RUN_COUNT; ++i) {
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HIPCHECK(hipModuleLaunchKernel(function, 1, 1, 1, 1, 1, 1, 0, stream, &kernel_params, nullptr));
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}
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HIPCHECK(hipModuleUnload(module));
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HIPCHECK(hipStreamDestroy(stream));
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}
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// thread pool
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struct thread_pool {
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thread_pool(int total_threads) : max_threads(total_threads) {
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}
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void start(std::function<void(std::atomic_int*, int)> f) {
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for (int i = 0; i < max_threads; ++i) {
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threads.push_back(std::async(std::launch::async, f, &shared, max_threads));
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}
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}
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void finish() {
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for (auto&&thread : threads) {
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thread.get();
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}
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threads.clear();
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shared = 0;
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}
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~thread_pool() {
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finish();
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}
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private:
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std::atomic_int shared {0};
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std::vector<char> buffer;
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std::vector<std::future<void>> threads;
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int max_threads = 1;
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};
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int main(int argc, char* argv[])
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{
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int max_threads = min(THREADS * std::thread::hardware_concurrency(), MAX_NUM_THREADS);
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thread_pool task(max_threads);
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task.start(hipModuleLaunchKernel_enqueue);
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task.finish();
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passed();
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}
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