Danylo Lytovchenko
238 рядки
8.2 KiB
C++
238 рядки
8.2 KiB
C++
/* Copyright (c) 2010 - 2021 Advanced Micro Devices, Inc.
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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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#include "OCLPerfBufferCopyOverhead.h"
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <complex>
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#include "CL/opencl.h"
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#include "Timer.h"
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// Quiet pesky warnings
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#ifdef WIN_OS
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#define SNPRINTF sprintf_s
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#else
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#define SNPRINTF snprintf
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#endif
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typedef struct {
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unsigned int iterations;
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int flushEvery;
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} testStruct;
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static testStruct testList[] = {
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{1, -1}, {1, -1}, {10, 1}, {10, -1}, {100, 1}, {100, 10},
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{100, -1}, {1000, 1}, {1000, 10}, {1000, 100}, {1000, -1}, {10000, 1},
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{10000, 10}, {10000, 100}, {10000, 1000}, {10000, -1}, {100000, 1}, {100000, 10},
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{100000, 100}, {100000, 1000}, {100000, 10000}, {100000, -1},
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};
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OCLPerfBufferCopyOverhead::OCLPerfBufferCopyOverhead() {
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_numSubTests = 2 * 2 * sizeof(testList) / sizeof(testStruct);
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}
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OCLPerfBufferCopyOverhead::~OCLPerfBufferCopyOverhead() {}
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static void CL_CALLBACK notify_callback(const char* errinfo, const void* private_info, size_t cb,
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void* user_data) {}
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void OCLPerfBufferCopyOverhead::open(unsigned int test, char* units, double& conversion,
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unsigned int deviceId) {
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cl_uint numPlatforms;
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cl_platform_id platform = NULL;
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cl_uint num_devices = 0;
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cl_device_id* devices = NULL;
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cl_device_id device = NULL;
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_crcword = 0;
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conversion = 1.0f;
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_deviceId = deviceId;
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_openTest = test % (sizeof(testList) / sizeof(testStruct));
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context_ = 0;
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cmd_queue_ = 0;
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srcBuffer_ = 0;
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dstBuffer_ = 0;
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error_ = _wrapper->clGetPlatformIDs(0, NULL, &numPlatforms);
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CHECK_RESULT(error_ != CL_SUCCESS, "clGetPlatformIDs failed");
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if (0 < numPlatforms) {
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cl_platform_id* platforms = new cl_platform_id[numPlatforms];
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error_ = _wrapper->clGetPlatformIDs(numPlatforms, platforms, NULL);
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CHECK_RESULT(error_ != CL_SUCCESS, "clGetPlatformIDs failed");
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platform = platforms[_platformIndex];
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char pbuf[100];
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error_ = _wrapper->clGetPlatformInfo(platforms[_platformIndex], CL_PLATFORM_VENDOR,
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sizeof(pbuf), pbuf, NULL);
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num_devices = 0;
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/* Get the number of requested devices */
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error_ = _wrapper->clGetDeviceIDs(platforms[_platformIndex], type_, 0, NULL, &num_devices);
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// Runtime returns an error when no GPU devices are present instead of just
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// returning 0 devices
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// CHECK_RESULT(error_ != CL_SUCCESS, "clGetDeviceIDs failed");
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// Choose platform with GPU devices
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delete platforms;
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}
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bufSize_ = 4;
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/*
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* If we could find our platform, use it. If not, die as we need the AMD
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* platform for these extensions.
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*/
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CHECK_RESULT(platform == 0, "Couldn't find AMD platform, cannot proceed");
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devices = (cl_device_id*)malloc(num_devices * sizeof(cl_device_id));
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CHECK_RESULT(devices == 0, "no devices");
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/* Get the requested device */
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error_ = _wrapper->clGetDeviceIDs(platform, type_, num_devices, devices, NULL);
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CHECK_RESULT(error_ != CL_SUCCESS, "clGetDeviceIDs failed");
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CHECK_RESULT(_deviceId >= num_devices, "Requested deviceID not available");
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device = devices[_deviceId];
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context_ = _wrapper->clCreateContext(NULL, 1, &device, notify_callback, NULL, &error_);
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CHECK_RESULT(context_ == 0, "clCreateContext failed");
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cmd_queue_ = _wrapper->clCreateCommandQueue(context_, device, 0, NULL);
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CHECK_RESULT(cmd_queue_ == 0, "clCreateCommandQueue failed");
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cl_mem_flags flags = CL_MEM_READ_ONLY;
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sleep = ((test / (sizeof(testList) / sizeof(testStruct))) % 2) > 0;
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if (test >= ((sizeof(testList) / sizeof(testStruct)) * 2)) {
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srcHost = true;
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flags |= CL_MEM_ALLOC_HOST_PTR;
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} else {
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srcHost = false;
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}
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srcBuffer_ = _wrapper->clCreateBuffer(context_, flags, bufSize_, NULL, &error_);
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CHECK_RESULT(srcBuffer_ == 0, "clCreateBuffer(srcBuffer) failed");
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flags = CL_MEM_WRITE_ONLY;
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if (!srcHost) {
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flags |= CL_MEM_ALLOC_HOST_PTR;
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}
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dstBuffer_ = _wrapper->clCreateBuffer(context_, flags, bufSize_, NULL, &error_);
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CHECK_RESULT(dstBuffer_ == 0, "clCreateBuffer(dstBuffer) failed");
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}
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void OCLPerfBufferCopyOverhead::run(void) {
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CPerfCounter timer;
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cl_event event;
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cl_int eventStatus;
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unsigned int iter = testList[_openTest].iterations;
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// Warm up
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error_ = _wrapper->clEnqueueCopyBuffer(cmd_queue_, srcBuffer_, dstBuffer_, 0, 0, bufSize_, 0,
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NULL, NULL);
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CHECK_RESULT(error_, "clEnqueueCopyBuffer failed");
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error_ = _wrapper->clFinish(cmd_queue_);
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CHECK_RESULT(error_, "clFinish failed");
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timer.Reset();
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timer.Start();
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for (unsigned int i = 0; i < iter; i++) {
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error_ = _wrapper->clEnqueueCopyBuffer(cmd_queue_, srcBuffer_, dstBuffer_, 0, 0, bufSize_, 0,
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NULL, &event);
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CHECK_RESULT(error_, "clEnqueueCopyBuffer failed");
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if ((testList[_openTest].flushEvery > 0) && (((i + 1) % testList[_openTest].flushEvery) == 0)) {
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if (sleep) {
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_wrapper->clFinish(cmd_queue_);
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} else {
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_wrapper->clFlush(cmd_queue_);
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error_ = _wrapper->clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS, sizeof(cl_int),
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&eventStatus, NULL);
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while (eventStatus > 0) {
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error_ = _wrapper->clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS,
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sizeof(cl_int), &eventStatus, NULL);
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}
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}
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}
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if (i != (iter - 1)) {
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_wrapper->clReleaseEvent(event);
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}
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}
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if (sleep) {
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_wrapper->clFinish(cmd_queue_);
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} else {
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_wrapper->clFlush(cmd_queue_);
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error_ = _wrapper->clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS, sizeof(cl_int),
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&eventStatus, NULL);
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while (eventStatus > 0) {
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error_ = _wrapper->clGetEventInfo(event, CL_EVENT_COMMAND_EXECUTION_STATUS, sizeof(cl_int),
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&eventStatus, NULL);
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}
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}
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_wrapper->clReleaseEvent(event);
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timer.Stop();
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double sec = timer.GetElapsedTime();
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// Buffer copy time in us
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double perf = sec * 1000. * 1000. / iter;
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const char* strSrc = NULL;
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const char* strDst = NULL;
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const char* strWait = NULL;
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if (srcHost) {
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strSrc = "host";
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strDst = "dev";
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} else {
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strSrc = "dev";
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strDst = "host";
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}
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if (sleep) {
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strWait = "sleep";
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} else {
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strWait = "spin";
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}
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_perfInfo = (float)perf;
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char buf[256];
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SNPRINTF(buf, sizeof(buf), " %5s, s:%4s d:%4s i:%6d (us) ", strWait, strSrc, strDst, iter);
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testDescString = buf;
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}
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unsigned int OCLPerfBufferCopyOverhead::close(void) {
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if (srcBuffer_) {
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error_ = _wrapper->clReleaseMemObject(srcBuffer_);
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CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseMemObject(srcBuffer_) failed");
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}
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if (dstBuffer_) {
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error_ = _wrapper->clReleaseMemObject(dstBuffer_);
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CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseMemObject(dstBuffer_) failed");
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}
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if (cmd_queue_) {
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error_ = _wrapper->clReleaseCommandQueue(cmd_queue_);
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CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseCommandQueue failed");
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}
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if (context_) {
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error_ = _wrapper->clReleaseContext(context_);
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CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseContext failed");
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}
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return _crcword;
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}
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