SWDEV-344342 - Add sample using hiprtc target (#2946)
Change-Id: Ie2a0b308862ac8db2e72a0170499139c7b46605b
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# Copyright (C) 2022 Advanced Micro Devices, Inc. All Rights Reserved.
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#
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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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#
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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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#
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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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project(cmake_hiprtc_test)
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cmake_minimum_required(VERSION 3.10.2)
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# Find hiprtc
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find_package(hiprtc REQUIRED)
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# Find hip
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find_package(hip REQUIRED)
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# Create the excutable
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add_executable(test saxpy.cpp)
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# Link with HIPRTC
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target_link_libraries(test hiprtc::hiprtc)
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# Link with HIP
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target_link_libraries(test hip::device)
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### This will test linking hiprtc::hiprtc interface in cmake
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I. Build
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mkdir -p build; cd build
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rm -rf *; CXX=amdclang++ cmake -DCMAKE_PREFIX_PATH=/opt/rocm/hip ..
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make
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II. Test
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$ ./test
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SAXPY test completed
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/*
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Copyright (c) 2022 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
|
||||
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 <hip/hiprtc.h>
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#include <hip/hip_runtime.h>
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#include <cassert>
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#include <cstddef>
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#include <memory>
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#include <iostream>
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#include <iterator>
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#include <vector>
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static constexpr auto NUM_THREADS{128};
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static constexpr auto NUM_BLOCKS{32};
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static constexpr auto saxpy{
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R"(
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#include "test_header.h"
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#include "test_header1.h"
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extern "C"
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__global__
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void saxpy(real a, realptr x, realptr y, realptr out, size_t n)
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{
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size_t tid = blockIdx.x * blockDim.x + threadIdx.x;
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if (tid < n) {
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out[tid] = a * x[tid] + y[tid] ;
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}
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}
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)"};
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int main()
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{
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using namespace std;
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hiprtcProgram prog;
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int num_headers = 2;
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vector<const char*> header_names;
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vector<const char*> header_sources;
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header_names.push_back("test_header.h");
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header_names.push_back("test_header1.h");
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header_sources.push_back("#ifndef HIPRTC_TEST_HEADER_H\n#define HIPRTC_TEST_HEADER_H\ntypedef float real;\n#endif //HIPRTC_TEST_HEADER_H\n");
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header_sources.push_back("#ifndef HIPRTC_TEST_HEADER1_H\n#define HIPRTC_TEST_HEADER1_H\ntypedef float* realptr;\n#endif //HIPRTC_TEST_HEADER1_H\n");
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hiprtcCreateProgram(&prog, // prog
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saxpy, // buffer
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"saxpy.cu", // name
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num_headers, // numHeaders
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&header_sources[0], // headers
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&header_names[0]); // includeNames
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hipDeviceProp_t props;
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int device = 0;
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hipGetDeviceProperties(&props, device);
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const char* options[] = {};
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hiprtcResult compileResult{hiprtcCompileProgram(prog, 0, options)};
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size_t logSize;
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hiprtcGetProgramLogSize(prog, &logSize);
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if (logSize) {
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string log(logSize, '\0');
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hiprtcGetProgramLog(prog, &log[0]);
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cout << log << '\n';
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}
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if (compileResult != HIPRTC_SUCCESS) {
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cout << "Compilation failed." << endl;
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}
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size_t codeSize;
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hiprtcGetCodeSize(prog, &codeSize);
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vector<char> code(codeSize);
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hiprtcGetCode(prog, code.data());
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hiprtcDestroyProgram(&prog);
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hipModule_t module;
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hipFunction_t kernel;
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hipModuleLoadData(&module, code.data());
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hipModuleGetFunction(&kernel, module, "saxpy");
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size_t n = NUM_THREADS * NUM_BLOCKS;
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size_t bufferSize = n * sizeof(float);
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float a = 5.1f;
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unique_ptr<float[]> hX{new float[n]};
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unique_ptr<float[]> hY{new float[n]};
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unique_ptr<float[]> hOut{new float[n]};
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for (size_t i = 0; i < n; ++i) {
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hX[i] = static_cast<float>(i);
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hY[i] = static_cast<float>(i * 2);
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}
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hipDeviceptr_t dX, dY, dOut;
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hipMalloc((void **)&dX, bufferSize);
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hipMalloc((void **)&dY, bufferSize);
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hipMalloc((void **)&dOut, bufferSize);
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hipMemcpyHtoD(dX, hX.get(), bufferSize);
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hipMemcpyHtoD(dY, hY.get(), bufferSize);
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struct {
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float a_;
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hipDeviceptr_t b_;
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hipDeviceptr_t c_;
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hipDeviceptr_t d_;
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size_t e_;
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} args{a, dX, dY, dOut, n};
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auto size = sizeof(args);
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void* config[] = {HIP_LAUNCH_PARAM_BUFFER_POINTER, &args,
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HIP_LAUNCH_PARAM_BUFFER_SIZE, &size,
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HIP_LAUNCH_PARAM_END};
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hipModuleLaunchKernel(kernel, NUM_BLOCKS, 1, 1, NUM_THREADS, 1, 1,
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0, nullptr, nullptr, config);
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hipMemcpyDtoH(hOut.get(), dOut, bufferSize);
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for (size_t i = 0; i < n; ++i) {
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if (fabs(a * hX[i] + hY[i] - hOut[i]) > fabs(hOut[i])* 1e-6) {
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cout << "Validation failed." << endl;
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}
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}
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hipFree((void *)dX);
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hipFree((void *)dY);
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hipFree((void *)dOut);
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hipModuleUnload(module);
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cout << "SAXPY test completed" << endl;
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}
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