35 lines
1.0 KiB
Plaintext
35 lines
1.0 KiB
Plaintext
// Basic hip functions callable from C/C++ code
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#include "hip/hip_runtime.h"
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extern "C" void dvc_AllocateDeviceMemory(void** address, size_t size){
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hipMalloc(address,size);
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hipMemset(*address,0,size);
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}
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extern "C" void dvc_CopyToDevice(void* dest, void* source, size_t size){
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hipMemcpy(dest,source,size,hipMemcpyHostToDevice);
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}
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extern "C" void dvc_CopyToHost(void* dest, void* source, size_t size){
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hipMemcpy(dest,source,size,hipMemcpyDeviceToHost);
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}
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extern "C" void dvc_Barrier(){
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hipDeviceSynchronize();
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}
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/*
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#if __CUDA_ARCH__ < 600
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__device__ double atomicAdd(double* address, double val) {
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unsigned long long int* address_as_ull = (unsigned long long int*)address; unsigned long long int old = *address_as_ull, assumed;
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do {
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assumed = old;
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old = atomicCAS(address_as_ull, assumed, __double_as_longlong(val + __longlong_as_double(assumed)));
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// Note: uses integer comparison to avoid hang in case of NaN (since NaN != NaN)
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}
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while (assumed != old); return __longlong_as_double(old);
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}
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#endif
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*/
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