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Avoid detecting dublicate CUDA archs

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This commit is contained in:
Hamdi Sahloul 2018-08-16 16:38:47 +09:00
parent 0e80f56e44
commit e136c11c7c
1 changed files with 16 additions and 5 deletions
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21
cmake/checks/OpenCVDetectCudaArch.cu
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@ -1,14 +1,25 @@
#include <stdio.h>
#include <iostream>
#include <sstream>
#include <list>
int main()
{
std::ostringstream arch;
std::list<std::string> archs;
int count = 0;
if (cudaSuccess != cudaGetDeviceCount(&count)){return -1;}
if (count == 0) {return -1;}
if (cudaSuccess != cudaGetDeviceCount(&count)){ return -1; }
if (count == 0) { return -1; }
for (int device = 0; device < count; ++device)
{
cudaDeviceProp prop;
if (cudaSuccess != cudaGetDeviceProperties(&prop, device)){ continue;}
printf("%d.%d ", prop.major, prop.minor);
if (cudaSuccess != cudaGetDeviceProperties(&prop, device)){ continue; }
arch << prop.major << "." << prop.minor;
archs.push_back(arch.str());
arch.str("");
}
archs.unique(); #Some devices might have the same arch
for (std::list<std::string>::iterator it=archs.begin(); it!=archs.end(); ++it)
std::cout << *it << " ";
return 0;
}