Danylo Lytovchenko
289 linhas
10 KiB
C++
289 linhas
10 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 "OCLPerfGenericBandwidth.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_SIZES 4
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// 256KB, 1 MB, 4MB, 16 MB
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static const unsigned int Sizes[NUM_SIZES] = {262144, 1048576, 4194304, 16777216};
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void OCLPerfGenericBandwidth::genShader(unsigned int idx) {
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shader_.clear();
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if (idx == 0) {
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shader_ +=
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"__kernel __attribute__((reqd_work_group_size(64,1,1))) void "
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"_genericReadSpeed(global float *outBuf, global float *inBuf, local "
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"float *inLocal, float c, char useLocal)\n"
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"{\n"
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" int gid = (int) get_global_id(0);\n"
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" int lid = (int) get_local_id(0);\n"
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" float val0 = 0.0f;\n"
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" float val1 = 0.0f;\n"
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" float *localLocal;\n"
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" int hacklid = gid % 64;\n"
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" if (useLocal)\n"
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" localLocal = inLocal;\n"
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" else\n"
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" localLocal = inBuf;\n"
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" for (int i = 0; i < (768/64); i++) {\n"
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" localLocal[hacklid + i*64] = lid;\n"
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" }\n"
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" barrier(CLK_LOCAL_MEM_FENCE);\n"
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"#pragma nounroll\n"
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" for (uint i = 0; i < 32;i++)\n"
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" {\n"
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" val0 += localLocal[lid+0];\n"
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" val1 += localLocal[lid+64];\n"
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" val0 += localLocal[lid+128];\n"
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" val1 += localLocal[lid+192];\n"
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" val0 += localLocal[lid+256];\n"
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" val1 += localLocal[lid+320];\n"
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" val0 += localLocal[lid+384];\n"
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" val1 += localLocal[lid+448];\n"
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" lid += 1;\n"
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" }\n"
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" val0 += val1;\n"
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" val1 = min(val0,1.0f);\n"
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" if ((lid + val1) < 0){\n"
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" outBuf[gid] = val0;\n"
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" }\n"
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"}\n";
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dataSizeBytes_ = 768 * 4;
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} else {
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shader_ +=
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"__kernel __attribute__((reqd_work_group_size(64,1,1))) void "
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"_genericReadSpeed(global float *outBuf, global float *inBuf, local "
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"float *inLocal, float c, char useLocal)\n"
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"{\n"
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" uint gid = (uint) get_global_id(0);\n"
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" int lid = (int) get_local_id(0);\n"
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" float val0 = 0.0f;\n"
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" float val1 = 0.0f;\n"
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" float *localLocal;\n"
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" uint hacklid = gid % 64;\n"
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" if (useLocal)\n"
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" localLocal = inLocal;\n"
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" else\n"
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" localLocal = inBuf;\n"
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" for (int i = 0; i < (256/64); i++) {\n"
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" localLocal[hacklid + i*64] = lid;\n"
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" }\n"
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" barrier(CLK_LOCAL_MEM_FENCE);\n"
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" #pragma nounroll\n"
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" for (uint i = 0; i < 32;i++)\n"
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" {\n"
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" val0 += localLocal[8*i+0];\n"
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" val1 += localLocal[8*i+1];\n"
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" val0 += localLocal[8*i+2];\n"
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" val1 += localLocal[8*i+3];\n"
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" val0 += localLocal[8*i+4];\n"
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" val1 += localLocal[8*i+5];\n"
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" val0 += localLocal[8*i+6];\n"
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" val1 += localLocal[8*i+7];\n"
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" }\n"
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" val0 += val1;\n"
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" val1 = min(val0,1.0f);\n"
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" if ((lid + val1) < 0){\n"
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" outBuf[gid] = val0;\n"
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" }\n"
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"}\n";
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dataSizeBytes_ = 256 * 4;
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}
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}
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OCLPerfGenericBandwidth::OCLPerfGenericBandwidth() { _numSubTests = NUM_SIZES * 4; }
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OCLPerfGenericBandwidth::~OCLPerfGenericBandwidth() {}
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void OCLPerfGenericBandwidth::setData(cl_mem buffer, float val) {
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float* data = (float*)_wrapper->clEnqueueMapBuffer(
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cmdQueues_[_deviceId], buffer, true, CL_MAP_WRITE, 0, bufSize_, 0, NULL, NULL, &error_);
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for (unsigned int i = 0; i < (bufSize_ >> 2); i++) data[i] = val;
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error_ = _wrapper->clEnqueueUnmapMemObject(cmdQueues_[_deviceId], buffer, data, 0, NULL, NULL);
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_wrapper->clFinish(cmdQueues_[_deviceId]);
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}
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void OCLPerfGenericBandwidth::checkData(cl_mem buffer) {
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float* data = (float*)_wrapper->clEnqueueMapBuffer(
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cmdQueues_[_deviceId], buffer, true, CL_MAP_READ, 0, bufSize_, 0, NULL, NULL, &error_);
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for (unsigned int i = 0; i < (bufSize_ >> 2); i++) {
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if (data[i] != (float)numReads_) {
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printf("Data validation failed at index %d!\n", i);
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printf("Expected %d %d %d %d\nGot %d %d %d %d\n", numReads_, numReads_, numReads_, numReads_,
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(unsigned int)data[i], (unsigned int)data[i + 1], (unsigned int)data[i + 2],
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(unsigned int)data[i + 3]);
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CHECK_RESULT_NO_RETURN(0, "Data validation failed!\n");
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break;
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}
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}
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error_ = _wrapper->clEnqueueUnmapMemObject(cmdQueues_[_deviceId], buffer, data, 0, NULL, NULL);
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_wrapper->clFinish(cmdQueues_[_deviceId]);
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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 OCLPerfGenericBandwidth::open(unsigned int test, char* units, double& conversion,
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unsigned int deviceId) {
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OCLTestImp::open(test, units, conversion, deviceId);
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CHECK_RESULT((error_ != CL_SUCCESS), "Error opening test");
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_crcword = 0;
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conversion = 1.0f;
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failed = false;
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kernel_ = 0;
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inBuffer_ = 0;
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outBuffer_ = 0;
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useLDS_ = ((test / NUM_SIZES) % 2) == 0 ? 1 : 0;
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size_t param_size = 0;
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char* strVersion = 0;
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error_ =
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_wrapper->clGetDeviceInfo(devices_[_deviceId], CL_DEVICE_OPENCL_C_VERSION, 0, 0, ¶m_size);
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CHECK_RESULT(error_ != CL_SUCCESS, "clGetDeviceInfo failed");
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strVersion = new char[param_size];
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error_ = _wrapper->clGetDeviceInfo(devices_[_deviceId], CL_DEVICE_OPENCL_C_VERSION, param_size,
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strVersion, 0);
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CHECK_RESULT(error_ != CL_SUCCESS, "clGetDeviceInfo failed");
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if (strVersion[9] < '2') {
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failed = true;
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return;
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}
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delete strVersion;
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numReads_ = 32;
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width_ = Sizes[test % NUM_SIZES];
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shaderIdx_ = test / (NUM_SIZES * 2);
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bufSize_ = width_;
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inBuffer_ = _wrapper->clCreateBuffer(context_, 0, bufSize_, NULL, &error_);
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CHECK_RESULT(inBuffer_ == 0, "clCreateBuffer(inBuffer) failed");
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outBuffer_ = _wrapper->clCreateBuffer(context_, 0, bufSize_, NULL, &error_);
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CHECK_RESULT(outBuffer_ == 0, "clCreateBuffer(outBuffer) failed");
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genShader(shaderIdx_);
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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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error_ = _wrapper->clBuildProgram(program_, 1, &devices_[deviceId], "-cl-std=CL2.0", 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_, devices_[deviceId], 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_, "_genericReadSpeed", &error_);
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CHECK_RESULT(kernel_ == 0, "clCreateKernel failed");
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float foo = 0;
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error_ = _wrapper->clSetKernelArg(kernel_, 0, sizeof(cl_mem), (void*)&outBuffer_);
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error_ = _wrapper->clSetKernelArg(kernel_, 1, sizeof(cl_mem), (void*)&inBuffer_);
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error_ = _wrapper->clSetKernelArg(kernel_, 2, 1024 * sizeof(cl_float), (void*)NULL);
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error_ = _wrapper->clSetKernelArg(kernel_, 3, sizeof(cl_float), (void*)&foo);
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error_ = _wrapper->clSetKernelArg(kernel_, 4, sizeof(cl_char), (void*)&useLDS_);
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setData(outBuffer_, 1.2345678f);
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}
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void OCLPerfGenericBandwidth::run(void) {
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if (failed) return;
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int global = bufSize_ / sizeof(cl_float);
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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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CPerfCounter timer;
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timer.Reset();
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timer.Start();
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for (unsigned int i = 0; i < NUM_ITER; i++) {
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error_ = _wrapper->clEnqueueNDRangeKernel(cmdQueues_[_deviceId], 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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CHECK_RESULT(error_, "clEnqueueNDRangeKernel failed");
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}
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_wrapper->clFinish(cmdQueues_[_deviceId]);
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timer.Stop();
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double sec = timer.GetElapsedTime();
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char buf[256];
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const char* buf2;
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if (useLDS_)
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buf2 = "LDS";
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else
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buf2 = "global";
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const char* buf3;
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if (shaderIdx_ == 0) {
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buf3 = "reads";
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numReads_ *= 8;
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} else {
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buf3 = "broadcast";
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numReads_ *= 8;
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}
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// LDS bandwidth in GB/s
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// We have one extra write per LDS location to initialize LDS
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double perf = ((double)global * (numReads_ * sizeof(cl_float) + dataSizeBytes_ / 64) * NUM_ITER *
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(double)(1e-09)) /
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sec;
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_perfInfo = (float)perf;
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SNPRINTF(buf, sizeof(buf), " %6s %9s %8d threads, %3d reads (GB/s) ", buf2, buf3, global,
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numReads_);
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testDescString = buf;
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// checkData(outBuffer_);
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}
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unsigned int OCLPerfGenericBandwidth::close(void) {
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if (inBuffer_) {
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error_ = _wrapper->clReleaseMemObject(inBuffer_);
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CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseMemObject(inBuffer_) failed");
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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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return OCLTestImp::close();
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}
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