diff --git a/test/nvrtc_jamfile b/test/nvrtc_jamfile index 9e59740e61..434ca002be 100644 --- a/test/nvrtc_jamfile +++ b/test/nvrtc_jamfile @@ -14,6 +14,8 @@ run test_cbrt_nvrtc_double.cpp ; run test_cbrt_nvrtc_float.cpp ; run test_cos_pi_nvrtc_double.cpp ; run test_cos_pi_nvrtc_float.cpp ; +run test_digamma_nvrtc_double.cpp ; +run test_digamma_nvrtc_float.cpp ; run test_erf_nvrtc_double.cpp ; run test_erf_nvrtc_float.cpp ; run test_erfc_nvrtc_double.cpp ; diff --git a/test/test_digamma_nvrtc_double.cpp b/test/test_digamma_nvrtc_double.cpp new file mode 100644 index 0000000000..d3da101881 --- /dev/null +++ b/test/test_digamma_nvrtc_double.cpp @@ -0,0 +1,190 @@ +// Copyright John Maddock 2016. +// Copyright Matt Borland 2024. +// Use, modification and distribution are subject to the +// Boost Software License, Version 1.0. (See accompanying file +// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error +#define BOOST_MATH_PROMOTE_DOUBLE_POLICY false + +// Must be included first +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +typedef double float_type; + +const char* cuda_kernel = R"( +typedef double float_type; +#include +#include +extern "C" __global__ +void test_digamma_kernel(const float_type *in1, const float_type*, float_type *out, int numElements) +{ + int i = blockDim.x * blockIdx.x + threadIdx.x; + if (i < numElements) + { + out[i] = boost::math::digamma(in1[i]); + } +} +)"; + +void checkCUDAError(cudaError_t result, const char* msg) +{ + if (result != cudaSuccess) + { + std::cerr << msg << ": " << cudaGetErrorString(result) << std::endl; + exit(EXIT_FAILURE); + } +} + +void checkCUError(CUresult result, const char* msg) +{ + if (result != CUDA_SUCCESS) + { + const char* errorStr; + cuGetErrorString(result, &errorStr); + std::cerr << msg << ": " << errorStr << std::endl; + exit(EXIT_FAILURE); + } +} + +void checkNVRTCError(nvrtcResult result, const char* msg) +{ + if (result != NVRTC_SUCCESS) + { + std::cerr << msg << ": " << nvrtcGetErrorString(result) << std::endl; + exit(EXIT_FAILURE); + } +} + +int main() +{ + try + { + // Initialize CUDA driver API + checkCUError(cuInit(0), "Failed to initialize CUDA"); + + // Create CUDA context + CUcontext context; + CUdevice device; + checkCUError(cuDeviceGet(&device, 0), "Failed to get CUDA device"); + checkCUError(cuCtxCreate(&context, 0, device), "Failed to create CUDA context"); + + nvrtcProgram prog; + nvrtcResult res; + + res = nvrtcCreateProgram(&prog, cuda_kernel, "test_digamma_kernel.cu", 0, nullptr, nullptr); + checkNVRTCError(res, "Failed to create NVRTC program"); + + nvrtcAddNameExpression(prog, "test_digamma_kernel"); + + #ifdef BOOST_MATH_NVRTC_CI_RUN + const char* opts[] = {"--std=c++14", "--gpu-architecture=compute_75", "--include-path=/home/runner/work/cuda-math/boost-root/libs/cuda-math/include/", "-I/usr/local/cuda/include"}; + #else + const char* opts[] = {"--std=c++14", "--include-path=/home/mborland/Documents/boost/libs/cuda-math/include/", "-I/usr/local/cuda/include"}; + #endif + + // Compile the program + res = nvrtcCompileProgram(prog, sizeof(opts) / sizeof(const char*), opts); + if (res != NVRTC_SUCCESS) + { + size_t log_size; + nvrtcGetProgramLogSize(prog, &log_size); + char* log = new char[log_size]; + nvrtcGetProgramLog(prog, log); + std::cerr << "Compilation failed:\n" << log << std::endl; + delete[] log; + exit(EXIT_FAILURE); + } + + // Get PTX from the program + size_t ptx_size; + nvrtcGetPTXSize(prog, &ptx_size); + char* ptx = new char[ptx_size]; + nvrtcGetPTX(prog, ptx); + + // Load PTX into CUDA module + CUmodule module; + CUfunction kernel; + checkCUError(cuModuleLoadDataEx(&module, ptx, 0, 0, 0), "Failed to load module"); + checkCUError(cuModuleGetFunction(&kernel, module, "test_digamma_kernel"), "Failed to get kernel function"); + + int numElements = 5000; + float_type *h_in1, *h_in2, *h_out; + float_type *d_in1, *d_in2, *d_out; + + // Allocate memory on the host + h_in1 = new float_type[numElements]; + h_in2 = new float_type[numElements]; + h_out = new float_type[numElements]; + + // Initialize input arrays + std::mt19937_64 rng(42); + std::uniform_real_distribution dist(0.0f, 1000.0f); + for (int i = 0; i < numElements; ++i) + { + h_in1[i] = static_cast(dist(rng)); + h_in2[i] = static_cast(dist(rng)); + } + + checkCUDAError(cudaMalloc(&d_in1, numElements * sizeof(float_type)), "Failed to allocate device memory for d_in1"); + checkCUDAError(cudaMalloc(&d_in2, numElements * sizeof(float_type)), "Failed to allocate device memory for d_in2"); + checkCUDAError(cudaMalloc(&d_out, numElements * sizeof(float_type)), "Failed to allocate device memory for d_out"); + + checkCUDAError(cudaMemcpy(d_in1, h_in1, numElements * sizeof(float_type), cudaMemcpyHostToDevice), "Failed to copy data to device for d_in1"); + checkCUDAError(cudaMemcpy(d_in2, h_in2, numElements * sizeof(float_type), cudaMemcpyHostToDevice), "Failed to copy data to device for d_in2"); + + int blockSize = 256; + int numBlocks = (numElements + blockSize - 1) / blockSize; + void* args[] = { &d_in1, &d_in2, &d_out, &numElements }; + checkCUError(cuLaunchKernel(kernel, numBlocks, 1, 1, blockSize, 1, 1, 0, 0, args, 0), "Kernel launch failed"); + + checkCUDAError(cudaMemcpy(h_out, d_out, numElements * sizeof(float_type), cudaMemcpyDeviceToHost), "Failed to copy data back to host for h_out"); + + // Verify Result + for (int i = 0; i < numElements; ++i) + { + const auto res = boost::math::digamma(h_in1[i]); + + if (std::isfinite(res)) + { + if (boost::math::epsilon_difference(res, h_out[i]) > 300) + { + std::cout << "error at line: " << i + << "\nParallel: " << h_out[i] + << "\n Serial: " << res + << "\n Dist: " << boost::math::epsilon_difference(res, h_out[i]) << std::endl; + } + } + } + + cudaFree(d_in1); + cudaFree(d_in2); + cudaFree(d_out); + delete[] h_in1; + delete[] h_in2; + delete[] h_out; + + nvrtcDestroyProgram(&prog); + delete[] ptx; + + cuCtxDestroy(context); + + std::cout << "Kernel executed successfully." << std::endl; + return 0; + } + catch(const std::exception& e) + { + std::cerr << "Stopped with exception: " << e.what() << std::endl; + return EXIT_FAILURE; + } +} diff --git a/test/test_digamma_nvrtc_float.cpp b/test/test_digamma_nvrtc_float.cpp new file mode 100644 index 0000000000..a698cbd56d --- /dev/null +++ b/test/test_digamma_nvrtc_float.cpp @@ -0,0 +1,190 @@ +// Copyright John Maddock 2016. +// Copyright Matt Borland 2024. +// Use, modification and distribution are subject to the +// Boost Software License, Version 1.0. (See accompanying file +// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error +#define BOOST_MATH_PROMOTE_DOUBLE_POLICY false + +// Must be included first +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +typedef float float_type; + +const char* cuda_kernel = R"( +typedef float float_type; +#include +#include +extern "C" __global__ +void test_digamma_kernel(const float_type *in1, const float_type*, float_type *out, int numElements) +{ + int i = blockDim.x * blockIdx.x + threadIdx.x; + if (i < numElements) + { + out[i] = boost::math::digamma(in1[i]); + } +} +)"; + +void checkCUDAError(cudaError_t result, const char* msg) +{ + if (result != cudaSuccess) + { + std::cerr << msg << ": " << cudaGetErrorString(result) << std::endl; + exit(EXIT_FAILURE); + } +} + +void checkCUError(CUresult result, const char* msg) +{ + if (result != CUDA_SUCCESS) + { + const char* errorStr; + cuGetErrorString(result, &errorStr); + std::cerr << msg << ": " << errorStr << std::endl; + exit(EXIT_FAILURE); + } +} + +void checkNVRTCError(nvrtcResult result, const char* msg) +{ + if (result != NVRTC_SUCCESS) + { + std::cerr << msg << ": " << nvrtcGetErrorString(result) << std::endl; + exit(EXIT_FAILURE); + } +} + +int main() +{ + try + { + // Initialize CUDA driver API + checkCUError(cuInit(0), "Failed to initialize CUDA"); + + // Create CUDA context + CUcontext context; + CUdevice device; + checkCUError(cuDeviceGet(&device, 0), "Failed to get CUDA device"); + checkCUError(cuCtxCreate(&context, 0, device), "Failed to create CUDA context"); + + nvrtcProgram prog; + nvrtcResult res; + + res = nvrtcCreateProgram(&prog, cuda_kernel, "test_digamma_kernel.cu", 0, nullptr, nullptr); + checkNVRTCError(res, "Failed to create NVRTC program"); + + nvrtcAddNameExpression(prog, "test_digamma_kernel"); + + #ifdef BOOST_MATH_NVRTC_CI_RUN + const char* opts[] = {"--std=c++14", "--gpu-architecture=compute_75", "--include-path=/home/runner/work/cuda-math/boost-root/libs/cuda-math/include/", "-I/usr/local/cuda/include"}; + #else + const char* opts[] = {"--std=c++14", "--include-path=/home/mborland/Documents/boost/libs/cuda-math/include/", "-I/usr/local/cuda/include"}; + #endif + + // Compile the program + res = nvrtcCompileProgram(prog, sizeof(opts) / sizeof(const char*), opts); + if (res != NVRTC_SUCCESS) + { + size_t log_size; + nvrtcGetProgramLogSize(prog, &log_size); + char* log = new char[log_size]; + nvrtcGetProgramLog(prog, log); + std::cerr << "Compilation failed:\n" << log << std::endl; + delete[] log; + exit(EXIT_FAILURE); + } + + // Get PTX from the program + size_t ptx_size; + nvrtcGetPTXSize(prog, &ptx_size); + char* ptx = new char[ptx_size]; + nvrtcGetPTX(prog, ptx); + + // Load PTX into CUDA module + CUmodule module; + CUfunction kernel; + checkCUError(cuModuleLoadDataEx(&module, ptx, 0, 0, 0), "Failed to load module"); + checkCUError(cuModuleGetFunction(&kernel, module, "test_digamma_kernel"), "Failed to get kernel function"); + + int numElements = 5000; + float_type *h_in1, *h_in2, *h_out; + float_type *d_in1, *d_in2, *d_out; + + // Allocate memory on the host + h_in1 = new float_type[numElements]; + h_in2 = new float_type[numElements]; + h_out = new float_type[numElements]; + + // Initialize input arrays + std::mt19937_64 rng(42); + std::uniform_real_distribution dist(0.0f, 1000.0f); + for (int i = 0; i < numElements; ++i) + { + h_in1[i] = static_cast(dist(rng)); + h_in2[i] = static_cast(dist(rng)); + } + + checkCUDAError(cudaMalloc(&d_in1, numElements * sizeof(float_type)), "Failed to allocate device memory for d_in1"); + checkCUDAError(cudaMalloc(&d_in2, numElements * sizeof(float_type)), "Failed to allocate device memory for d_in2"); + checkCUDAError(cudaMalloc(&d_out, numElements * sizeof(float_type)), "Failed to allocate device memory for d_out"); + + checkCUDAError(cudaMemcpy(d_in1, h_in1, numElements * sizeof(float_type), cudaMemcpyHostToDevice), "Failed to copy data to device for d_in1"); + checkCUDAError(cudaMemcpy(d_in2, h_in2, numElements * sizeof(float_type), cudaMemcpyHostToDevice), "Failed to copy data to device for d_in2"); + + int blockSize = 256; + int numBlocks = (numElements + blockSize - 1) / blockSize; + void* args[] = { &d_in1, &d_in2, &d_out, &numElements }; + checkCUError(cuLaunchKernel(kernel, numBlocks, 1, 1, blockSize, 1, 1, 0, 0, args, 0), "Kernel launch failed"); + + checkCUDAError(cudaMemcpy(h_out, d_out, numElements * sizeof(float_type), cudaMemcpyDeviceToHost), "Failed to copy data back to host for h_out"); + + // Verify Result + for (int i = 0; i < numElements; ++i) + { + const auto res = boost::math::digamma(h_in1[i]); + + if (std::isfinite(res)) + { + if (boost::math::epsilon_difference(res, h_out[i]) > 300) + { + std::cout << "error at line: " << i + << "\nParallel: " << h_out[i] + << "\n Serial: " << res + << "\n Dist: " << boost::math::epsilon_difference(res, h_out[i]) << std::endl; + } + } + } + + cudaFree(d_in1); + cudaFree(d_in2); + cudaFree(d_out); + delete[] h_in1; + delete[] h_in2; + delete[] h_out; + + nvrtcDestroyProgram(&prog); + delete[] ptx; + + cuCtxDestroy(context); + + std::cout << "Kernel executed successfully." << std::endl; + return 0; + } + catch(const std::exception& e) + { + std::cerr << "Stopped with exception: " << e.what() << std::endl; + return EXIT_FAILURE; + } +}