timers_cuda.hpp
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* Author: Anatoly Baskeheev, Itseez Ltd, (myname.mysurname@mycompany.com)
*/
#ifndef _PCL_CUDA_TIMERS_HPP_
#define _PCL_CUDA_TIMERS_HPP_
#include <cuda_runtime_api.h>
#include <cstdio>
namespace pcl
{
namespace gpu
{
struct Timer
{
cudaEvent_t start_, stop_;
Timer(bool runTimer = false)
{
cudaEventCreate(&start_);
cudaEventCreate(&stop_);
if (runTimer)
start();
}
~Timer()
{
cudaEventDestroy(start_);
cudaEventDestroy(stop_);
}
void start() { cudaEventRecord(start_, 0); }
Timer& stop() { cudaEventRecord(stop_, 0); cudaEventSynchronize(stop_); return *this; }
float time()
{
float elapsed_time;
cudaEventElapsedTime(&elapsed_time, start_, stop_);
return elapsed_time;
}
};
struct ScopeTimer
{
const char* name;
cudaEvent_t start, stop;
ScopeTimer(const char* name_) : name(name_)
{
cudaEventCreate(&start);
cudaEventCreate(&stop);
cudaEventRecord(start);
}
~ScopeTimer()
{
float elapsed_time;
cudaEventRecord(stop);
cudaEventSynchronize(stop);
cudaEventElapsedTime(&elapsed_time, start, stop);
printf("Time(%s) = %fms\n", name, elapsed_time);
cudaEventDestroy(start);
cudaEventDestroy(stop);
}
};
}
}
#endif /* _PCL_CUDA_TIMERS_HPP_ */
pcl
This file defines compatibility wrappers for low level I/O functions.
Definition: convolution.h:45
pcl::gpu::ScopeTimer::name
const char * name
Definition: timers_cuda.hpp:76
pcl::gpu::Timer
Definition: timers_cuda.hpp:47
pcl::gpu::ScopeTimer::ScopeTimer
ScopeTimer(const char *name_)
Definition: timers_cuda.hpp:78
pcl::gpu::Timer::time
float time()
Definition: timers_cuda.hpp:66
pcl::gpu::Timer::~Timer
~Timer()
Definition: timers_cuda.hpp:57
pcl::gpu::Timer::start_
cudaEvent_t start_
Definition: timers_cuda.hpp:49
pcl::gpu::Timer::stop
Timer & stop()
Definition: timers_cuda.hpp:64
pcl::gpu::ScopeTimer::start
cudaEvent_t start
Definition: timers_cuda.hpp:77
pcl::gpu::ScopeTimer::stop
cudaEvent_t stop
Definition: timers_cuda.hpp:77
pcl::gpu::Timer::stop_
cudaEvent_t stop_
Definition: timers_cuda.hpp:49
pcl::gpu::ScopeTimer::~ScopeTimer
~ScopeTimer()
Definition: timers_cuda.hpp:84
pcl::gpu::Timer::Timer
Timer(bool runTimer=false)
Definition: timers_cuda.hpp:50
pcl::gpu::Timer::start
void start()
Definition: timers_cuda.hpp:63
pcl::gpu::ScopeTimer
Definition: timers_cuda.hpp:74