diff options
Diffstat (limited to 'test/hip_common.h')
-rw-r--r-- | test/hip_common.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/test/hip_common.h b/test/hip_common.h new file mode 100644 index 000000000..251585c52 --- /dev/null +++ b/test/hip_common.h @@ -0,0 +1,103 @@ + +#ifndef EIGEN_TEST_HIP_COMMON_H +#define EIGEN_TEST_HIP_COMMON_H + +#include "hip/hip_runtime.h" +#include "hip/hip_runtime_api.h" +#include <iostream> + +#ifndef __HIPCC__ +dim3 threadIdx, blockDim, blockIdx; +#endif + +template<typename Kernel, typename Input, typename Output> +void run_on_cpu(const Kernel& ker, int n, const Input& in, Output& out) +{ + for(int i=0; i<n; i++) + ker(i, in.data(), out.data()); +} + + +template<typename Kernel, typename Input, typename Output> +__global__ __attribute__((used)) +void run_on_hip_meta_kernel(const Kernel ker, int n, const Input* in, Output* out) +{ + int i = hipThreadIdx_x + hipBlockIdx_x*hipBlockDim_x; + if(i<n) { + ker(i, in, out); + } +} + + +template<typename Kernel, typename Input, typename Output> +void run_on_hip(const Kernel& ker, int n, const Input& in, Output& out) +{ + typename Input::Scalar* d_in; + typename Output::Scalar* d_out; + std::ptrdiff_t in_bytes = in.size() * sizeof(typename Input::Scalar); + std::ptrdiff_t out_bytes = out.size() * sizeof(typename Output::Scalar); + + hipMalloc((void**)(&d_in), in_bytes); + hipMalloc((void**)(&d_out), out_bytes); + + hipMemcpy(d_in, in.data(), in_bytes, hipMemcpyHostToDevice); + hipMemcpy(d_out, out.data(), out_bytes, hipMemcpyHostToDevice); + + // Simple and non-optimal 1D mapping assuming n is not too large + // That's only for unit testing! + dim3 Blocks(128); + dim3 Grids( (n+int(Blocks.x)-1)/int(Blocks.x) ); + + hipDeviceSynchronize(); + hipLaunchKernelGGL(HIP_KERNEL_NAME(run_on_hip_meta_kernel<Kernel, + typename std::decay<decltype(*d_in)>::type, + typename std::decay<decltype(*d_out)>::type>), + dim3(Grids), dim3(Blocks), 0, 0, ker, n, d_in, d_out); + hipDeviceSynchronize(); + + // check inputs have not been modified + hipMemcpy(const_cast<typename Input::Scalar*>(in.data()), d_in, in_bytes, hipMemcpyDeviceToHost); + hipMemcpy(out.data(), d_out, out_bytes, hipMemcpyDeviceToHost); + + hipFree(d_in); + hipFree(d_out); +} + + +template<typename Kernel, typename Input, typename Output> +void run_and_compare_to_hip(const Kernel& ker, int n, const Input& in, Output& out) +{ + Input in_ref, in_hip; + Output out_ref, out_hip; + #ifndef __HIP_DEVICE_COMPILE__ + in_ref = in_hip = in; + out_ref = out_hip = out; + #endif + run_on_cpu (ker, n, in_ref, out_ref); + run_on_hip(ker, n, in_hip, out_hip); + #ifndef __HIP_DEVICE_COMPILE__ + VERIFY_IS_APPROX(in_ref, in_hip); + VERIFY_IS_APPROX(out_ref, out_hip); + #endif +} + + +void ei_test_init_hip() +{ + int device = 0; + hipDeviceProp_t deviceProp; + hipGetDeviceProperties(&deviceProp, device); + std::cout << "HIP device info:\n"; + std::cout << " name: " << deviceProp.name << "\n"; + std::cout << " capability: " << deviceProp.major << "." << deviceProp.minor << "\n"; + std::cout << " multiProcessorCount: " << deviceProp.multiProcessorCount << "\n"; + std::cout << " maxThreadsPerMultiProcessor: " << deviceProp.maxThreadsPerMultiProcessor << "\n"; + std::cout << " warpSize: " << deviceProp.warpSize << "\n"; + std::cout << " regsPerBlock: " << deviceProp.regsPerBlock << "\n"; + std::cout << " concurrentKernels: " << deviceProp.concurrentKernels << "\n"; + std::cout << " clockRate: " << deviceProp.clockRate << "\n"; + std::cout << " canMapHostMemory: " << deviceProp.canMapHostMemory << "\n"; + std::cout << " computeMode: " << deviceProp.computeMode << "\n"; +} + +#endif // EIGEN_TEST_HIP_COMMON_H |