Danylo Lytovchenko
309 righe
11 KiB
C++
309 righe
11 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 "OCLPerfSampleRate.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 "CL/cl.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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#define NUM_TYPES 3
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static const char* types[NUM_TYPES] = {"float", "float2", "float4"};
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static const unsigned int typeSizes[NUM_TYPES] = {4, 8, 16};
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#define NUM_SIZES 12
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static const unsigned int sizes[NUM_SIZES] = {1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048};
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#define NUM_BUFS 6
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#define MAX_BUFS (1 << (NUM_BUFS - 1))
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OCLPerfSampleRate::OCLPerfSampleRate() {
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_numSubTests = NUM_TYPES * NUM_SIZES * NUM_BUFS;
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skip_ = false;
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}
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OCLPerfSampleRate::~OCLPerfSampleRate() {}
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void OCLPerfSampleRate::setKernel(void) {
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shader_.clear();
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shader_ +=
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"kernel void sampleRate(global DATATYPE* outBuffer, unsigned int "
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"inBufSize, unsigned int writeIt,\n";
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char buf[256];
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for (unsigned int i = 0; i < numBufs_; i++) {
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SNPRINTF(buf, sizeof(buf), "global DATATYPE* inBuffer%d", i);
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shader_ += buf;
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if (i < (numBufs_ - 1)) {
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shader_ += ",";
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}
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shader_ += "\n";
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}
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shader_ += ")\n";
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shader_ +=
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"{\n"
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" uint gid = get_global_id(0);\n"
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" uint inputIdx = gid % inBufSize;\n"
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" DATATYPE tmp = (DATATYPE)0.0f;\n";
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for (unsigned int i = 0; i < numBufs_; i++) {
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SNPRINTF(buf, sizeof(buf), " tmp += inBuffer%d[inputIdx];\n", i);
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shader_ += buf;
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}
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if (typeSizes[typeIdx_] > 4) {
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shader_ +=
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" if (writeIt*(unsigned int)tmp.x) outBuffer[gid] = tmp;\n"
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"}\n";
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} else {
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shader_ +=
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" if (writeIt*(unsigned int)tmp) outBuffer[gid] = tmp;\n"
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"}\n";
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}
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// printf("Shader -> %s\n", shader_.c_str());
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}
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void OCLPerfSampleRate::setData(cl_mem buffer, unsigned int val) {
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unsigned int* data = (unsigned int*)_wrapper->clEnqueueMapBuffer(
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cmd_queue_, buffer, true, CL_MAP_WRITE, 0, bufSize_, 0, NULL, NULL, &error_);
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if (data == NULL) {
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if ((error_ == CL_MEM_OBJECT_ALLOCATION_FAILURE) || (error_ == CL_OUT_OF_RESOURCES) ||
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(error_ == CL_OUT_OF_HOST_MEMORY)) {
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printf("WARNING: Not enough memory, skipped\n");
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error_ = CL_SUCCESS;
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skip_ = true;
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} else {
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CHECK_RESULT(error_ != CL_SUCCESS, "clEnqueueMapBuffer failed");
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}
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return;
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}
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for (unsigned int i = 0; i < bufSize_ / sizeof(unsigned int); i++) data[i] = val;
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error_ = _wrapper->clEnqueueUnmapMemObject(cmd_queue_, buffer, data, 0, NULL, NULL);
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}
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void OCLPerfSampleRate::checkData(cl_mem buffer) {
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float* data = (float*)_wrapper->clEnqueueMapBuffer(cmd_queue_, buffer, true, CL_MAP_READ, 0,
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outBufSize_, 0, NULL, NULL, &error_);
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for (unsigned int i = 0; i < outBufSize_ / sizeof(float); i++) {
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if (data[i] != (float)numBufs_) {
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printf("Data validation failed at %d! Got %f, expected %f\n", i, data[i], (float)numBufs_);
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break;
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}
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}
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error_ = _wrapper->clEnqueueUnmapMemObject(cmd_queue_, buffer, data, 0, NULL, NULL);
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}
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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 OCLPerfSampleRate::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;
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context_ = 0;
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cmd_queue_ = 0;
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program_ = 0;
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kernel_ = 0;
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inBuffer_ = 0;
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outBuffer_ = 0;
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// We compute a square domain
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width_ = sizes[test % NUM_SIZES];
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typeIdx_ = (test / NUM_SIZES) % NUM_TYPES;
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bufSize_ = width_ * width_ * typeSizes[typeIdx_];
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numBufs_ = (1 << (test / (NUM_SIZES * NUM_TYPES)));
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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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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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delete platforms;
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}
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/*
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* If we could find a platform, use it.
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*/
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CHECK_RESULT(platform == 0, "Couldn't find platform with GPU devices, 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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char charbuf[1024];
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size_t retsize;
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error_ = _wrapper->clGetDeviceInfo(device, CL_DEVICE_EXTENSIONS, 1024, charbuf, &retsize);
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CHECK_RESULT(error_ != CL_SUCCESS, "clGetDeviceInfo 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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inBuffer_ = (cl_mem*)malloc(sizeof(cl_mem) * numBufs_);
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memset(inBuffer_, 0, sizeof(cl_mem) * numBufs_);
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for (unsigned int i = 0; i < numBufs_; i++) {
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inBuffer_[i] = _wrapper->clCreateBuffer(context_, CL_MEM_READ_ONLY, bufSize_, NULL, &error_);
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CHECK_RESULT(inBuffer_[i] == 0, "clCreateBuffer(inBuffer) failed");
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}
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outBufSize_ = sizes[NUM_SIZES - 1] * sizes[NUM_SIZES - 1] * typeSizes[NUM_TYPES - 1];
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outBuffer_ = _wrapper->clCreateBuffer(context_, CL_MEM_WRITE_ONLY, outBufSize_, NULL, &error_);
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CHECK_RESULT(outBuffer_ == 0, "clCreateBuffer(outBuffer) failed");
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setKernel();
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char* tmp = (char*)shader_.c_str();
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program_ = _wrapper->clCreateProgramWithSource(context_, 1, (const char**)&tmp, NULL, &error_);
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CHECK_RESULT(program_ == 0, "clCreateProgramWithSource failed");
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const char* buildOps = NULL;
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SNPRINTF(charbuf, sizeof(charbuf), "-D DATATYPE=%s", types[typeIdx_]);
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buildOps = charbuf;
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error_ = _wrapper->clBuildProgram(program_, 1, &device, buildOps, NULL, NULL);
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if (error_ != CL_SUCCESS) {
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cl_int intError;
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char log[16384];
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intError = _wrapper->clGetProgramBuildInfo(program_, device, CL_PROGRAM_BUILD_LOG,
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16384 * sizeof(char), log, NULL);
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printf("Build error -> %s\n", log);
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CHECK_RESULT(0, "clBuildProgram failed");
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}
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kernel_ = _wrapper->clCreateKernel(program_, "sampleRate", &error_);
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CHECK_RESULT(kernel_ == 0, "clCreateKernel failed");
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error_ = _wrapper->clSetKernelArg(kernel_, 0, sizeof(cl_mem), (void*)&outBuffer_);
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CHECK_RESULT(error_ != CL_SUCCESS, "clSetKernelArg(outBuffer) failed");
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unsigned int sizeDW = width_ * width_;
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error_ = _wrapper->clSetKernelArg(kernel_, 1, sizeof(unsigned int), (void*)&sizeDW);
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CHECK_RESULT(error_ != CL_SUCCESS, "clSetKernelArg(sizeDW) failed");
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unsigned int writeIt = 0;
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error_ = _wrapper->clSetKernelArg(kernel_, 2, sizeof(unsigned int), (void*)&writeIt);
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CHECK_RESULT(error_ != CL_SUCCESS, "clSetKernelArg(writeIt) failed");
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for (unsigned int i = 0; i < numBufs_; i++) {
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error_ = _wrapper->clSetKernelArg(kernel_, i + 3, sizeof(cl_mem), (void*)&inBuffer_[i]);
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CHECK_RESULT(error_ != CL_SUCCESS, "clSetKernelArg(inBuffer) failed");
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setData(inBuffer_[i], 0x3f800000);
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if (skip_) return;
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}
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setData(outBuffer_, 0xdeadbeef);
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}
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void OCLPerfSampleRate::run(void) {
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int global = outBufSize_ / typeSizes[typeIdx_];
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int local = 64;
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size_t global_work_size[1] = {(size_t)global};
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size_t local_work_size[1] = {(size_t)local};
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unsigned int maxIter = MAX_ITERATIONS * (MAX_BUFS / numBufs_);
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if (skip_) return;
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CPerfCounter timer;
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timer.Reset();
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timer.Start();
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for (unsigned int i = 0; i < maxIter; i++) {
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error_ = _wrapper->clEnqueueNDRangeKernel(cmd_queue_, kernel_, 1, NULL,
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(const size_t*)global_work_size,
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(const size_t*)local_work_size, 0, NULL, NULL);
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}
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CHECK_RESULT(error_, "clEnqueueNDRangeKernel failed");
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_wrapper->clFinish(cmd_queue_);
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timer.Stop();
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double sec = timer.GetElapsedTime();
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// checkData(outBuffer_);
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// Compute GB/s
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double perf = ((double)outBufSize_ * numBufs_ * (double)maxIter * (double)(1e-09)) / sec;
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char buf[256];
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SNPRINTF(buf, sizeof(buf), "Domain %dx%d, %2d bufs, %6s, %4dx%4d (GB/s)", sizes[NUM_SIZES - 1],
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sizes[NUM_SIZES - 1], numBufs_, types[typeIdx_], width_, width_);
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_perfInfo = (float)perf;
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testDescString = buf;
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}
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unsigned int OCLPerfSampleRate::close(void) {
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_wrapper->clFinish(cmd_queue_);
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if (inBuffer_) {
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for (unsigned int i = 0; i < numBufs_; i++) {
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if (inBuffer_[i]) {
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error_ = _wrapper->clReleaseMemObject(inBuffer_[i]);
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CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseMemObject(inBuffer_) failed");
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}
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}
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free(inBuffer_);
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}
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if (outBuffer_) {
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error_ = _wrapper->clReleaseMemObject(outBuffer_);
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CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseMemObject(outBuffer_) failed");
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}
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if (kernel_) {
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error_ = _wrapper->clReleaseKernel(kernel_);
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CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseKernel failed");
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}
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if (program_) {
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error_ = _wrapper->clReleaseProgram(program_);
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CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseProgram 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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