Danylo Lytovchenko
130 baris
4.3 KiB
C++
130 baris
4.3 KiB
C++
/*
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Copyright (c) 2024 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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#include "memcpy_performance_common.hh"
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#pragma clang diagnostic ignored "-Wvla-extension"
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/**
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* @addtogroup memcpy memcpy
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* @{
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* @ingroup PerformanceTest
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*/
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__device__ int devSymbol[1_MB];
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class MemcpyFromSymbolAsyncBenchmark : public Benchmark<MemcpyFromSymbolAsyncBenchmark> {
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public:
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void operator()(const void* source, void* result, size_t size, size_t offset,
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const hipStream_t& stream) {
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HIP_CHECK(hipMemcpyToSymbolAsync(HIP_SYMBOL(devSymbol), source, size, offset,
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hipMemcpyHostToDevice, stream));
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TIMED_SECTION_STREAM(kTimerTypeEvent, stream) {
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HIP_CHECK(hipMemcpyFromSymbolAsync(result, HIP_SYMBOL(devSymbol), size, offset,
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hipMemcpyDeviceToHost, stream));
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}
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HIP_CHECK(hipStreamSynchronize(stream));
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}
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};
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static void RunBenchmark(const void* source, void* result, size_t size = 1, size_t offset = 0) {
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MemcpyFromSymbolAsyncBenchmark benchmark;
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benchmark.AddSectionName(std::to_string(size));
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benchmark.AddSectionName(std::to_string(offset));
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const StreamGuard stream_guard(Streams::created);
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const hipStream_t stream = stream_guard.stream();
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benchmark.Run(source, result, size, offset, stream);
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}
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/**
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* Test Description
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* ------------------------
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* - Executes `hipMemcpyFromSymbolAsync` from Device to Host.
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* - Utilizes sigular integer values.
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* Test source
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* ------------------------
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* - performance/memcpy/hipMemcpyFromSymbolAsync.cc
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* Test requirements
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* ------------------------
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* - HIP_VERSION >= 5.2
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*/
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TEST_CASE("Performance_hipMemcpyFromSymbolAsync_SingularValue") {
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int set{42};
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int result{0};
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RunBenchmark(&set, &result);
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}
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/**
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* Test Description
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* ------------------------
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* - Executes `hipMemcpyFromSymbolAsync` from Device to Host.
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* - Utilizes array integers:
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* - Small: 1 KB
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* - Medium: 4 KB
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* - Large: 512 KB
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* Test source
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* ------------------------
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* - performance/memcpy/hipMemcpyFromSymbolAsync.cc
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* Test requirements
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* ------------------------
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* - HIP_VERSION >= 5.2
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*/
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TEST_CASE("Performance_hipMemcpyFromSymbolAsync_ArrayValue") {
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size_t size = GENERATE(1_KB, 4_KB, 512_KB);
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std::vector<int> array(size);
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std::fill_n(array.data(), size, 42);
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std::vector<int> result(size);
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std::fill_n(result.data(), size, 0);
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RunBenchmark(array.data(), result.data(), sizeof(int) * size);
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}
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/**
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* Test Description
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* ------------------------
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* - Executes `hipMemcpyFromSymbolAsync` from Device to Host.
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* - Utilizes array integers with offsets:
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* - Small: 1 KB
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* - Medium: 4 KB
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* - Large: 512 KB
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* - Offset: 0 and size/2
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* Test source
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* ------------------------
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* - performance/memcpy/hipMemcpyFromSymbolAsync.cc
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* Test requirements
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* ------------------------
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* - HIP_VERSION >= 5.2
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*/
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TEST_CASE("Performance_hipMemcpyFromSymbolAsync_WithOffset") {
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size_t size = GENERATE(1_KB, 4_KB, 512_KB);
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std::vector<int> array(size);
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std::fill_n(array.data(), size, 42);
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std::vector<int> result(size);
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std::fill_n(result.data(), size, 0);
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size_t offset = GENERATE_REF(0, size / 2);
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RunBenchmark(array.data() + offset, result.data() + offset, sizeof(int) * (size - offset),
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offset * sizeof(int));
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}
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/**
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* End doxygen group memcpy.
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* @}
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*/
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