53 lines
1.0 KiB
C++
53 lines
1.0 KiB
C++
#include "isaac/driver/event.h"
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#include "helpers/ocl/infos.hpp"
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namespace isaac
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{
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namespace driver
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{
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Event::Event(backend_type backend) : backend_(backend), h_(backend_, true)
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{
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switch(backend_)
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{
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#ifdef ISAAC_WITH_CUDA
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case CUDA:
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cuda::check(cuEventCreate(&h_.cu().first, CU_EVENT_DEFAULT));
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cuda::check(cuEventCreate(&h_.cu().second, CU_EVENT_DEFAULT));
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break;
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#endif
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case OPENCL: break;
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default: throw;
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}
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}
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Event::Event(cl_event const & event, bool take_ownership) : backend_(OPENCL), h_(backend_, take_ownership)
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{
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h_.cl() = event;
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}
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long Event::elapsed_time() const
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{
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switch(backend_)
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{
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#ifdef ISAAC_WITH_CUDA
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case CUDA:
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float time;
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cuda::check(cuEventElapsedTime(&time, h_.cu().first, h_.cu().second));
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return 1e6*time;
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#endif
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case OPENCL:
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return static_cast<long>(ocl::info<CL_PROFILING_COMMAND_END>(h_.cl()) - ocl::info<CL_PROFILING_COMMAND_START>(h_.cl()));
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default:
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throw;
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}
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}
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HANDLE_TYPE(cl_event, cu_event_t) & Event::handle()
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{ return h_; }
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}
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}
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