44 lines
808 B
C++
44 lines
808 B
C++
|
#include "isaac/driver/event.h"
|
||
|
|
|
||
|
|
namespace isaac
|
||
|
|
{
|
||
|
|
|
||
|
|
namespace driver
|
||
|
|
{
|
||
|
|
|
||
|
|
Event::Event(backend_type backend) : backend_(backend), h_(backend_)
|
||
|
|
{
|
||
|
|
switch(backend_)
|
||
|
|
{
|
||
|
|
#ifdef ISAAC_WITH_CUDA
|
||
|
|
case CUDA:
|
||
|
|
cuda::check(cuEventCreate(&h_.cu->first, CU_EVENT_DEFAULT));
|
||
|
|
cuda::check(cuEventCreate(&h_.cu->second, CU_EVENT_DEFAULT));
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
case OPENCL: break;
|
||
|
|
default: throw;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
long Event::elapsed_time() const
|
||
|
|
{
|
||
|
|
switch(backend_)
|
||
|
|
{
|
||
|
|
#ifdef ISAAC_WITH_CUDA
|
||
|
|
case CUDA:
|
||
|
|
float time;
|
||
|
|
cuda::check(cuEventElapsedTime(&time, h_.cu->first, h_.cu->second));
|
||
|
|
return 1e6*time;
|
||
|
|
#endif
|
||
|
|
case OPENCL:
|
||
|
|
return (h_.cl->getProfilingInfo<CL_PROFILING_COMMAND_END>() - h_.cl->getProfilingInfo<CL_PROFILING_COMMAND_START>());
|
||
|
|
default:
|
||
|
|
throw;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|