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time_cpu.h
/*
* Software License Agreement (BSD License)
*
* Copyright (c) 2010, Willow Garage, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Willow Garage, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#pragma once
#include <iostream>
#include <cmath>
#include <string>
#ifdef _WIN32
# define NOMINMAX
# define WIN32_LEAN_AND_MEAN
# include <Windows.h>
# include <time.h>
#else
# include <sys/time.h>
#endif
/////////////////////////////////////////////////////////////////////
// Note: this file is here because NVCC can't deal with all boost
// things, e.g. the new pcl::ScopeTime implementation
/////////////////////////////////////////////////////////////////////
namespace pcl
{
namespace cuda
{
/**
* \brief Class to measure the time spent in a scope
*
* To use this class, e.g. to measure the time spent in a function,
* just create an instance at the beginning of the function.
* \ingroup common
*/
class ScopeTimeCPU
{
public:
inline ScopeTimeCPU (const char* title);
inline ~ScopeTimeCPU ();
private:
std::string title_;
double start_time_;
};
#ifndef MEASURE_FUNCTION_TIME
#define MEASURE_FUNCTION_TIME \
ScopeTimeCPU scopeTime(__func__)
#endif
inline double getTime ();
/// Executes code, only if secs are gone since last exec.
#ifndef DO_EVERY_TS
#define DO_EVERY_TS(secs, currentTime, code) \
if (1) {\
static double s_lastDone_ = 0.0; \
double s_now_ = (currentTime); \
if (s_lastDone_ > s_now_) \
s_lastDone_ = s_now_; \
if (s_now_ - s_lastDone_ > (secs)) { \
code; \
s_lastDone_ = s_now_; \
}\
} else \
(void)0
#endif
/// Executes code, only if secs are gone since last exec.
#ifndef DO_EVERY
#define DO_EVERY(secs, code) \
DO_EVERY_TS(secs, pcl::cuda::getTime(), code)
#endif
} // end namespace
} // end namespace
inline double
pcl::cuda::getTime ()
{
#ifdef _WIN32
LARGE_INTEGER frequency;
LARGE_INTEGER timer_tick;
QueryPerformanceFrequency(&frequency);
QueryPerformanceCounter(&timer_tick);
return (double)(timer_tick.QuadPart)/(double)frequency.QuadPart;
#else
timeval current_time;
gettimeofday (&current_time, nullptr);
return (current_time.tv_sec + 1e-6 * current_time.tv_usec);
#endif
}
inline pcl::cuda::ScopeTimeCPU::ScopeTimeCPU (const char* title) : title_ (title)
{
start_time_ = pcl::cuda::getTime ();
}
inline pcl::cuda::ScopeTimeCPU::~ScopeTimeCPU ()
{
double end_time = pcl::cuda::getTime ();
double duration = end_time - start_time_;
std::cerr << title_ << " took " << 1000 * duration << "ms. " << std::endl;
}
pcl::cuda::ScopeTimeCPU
Class to measure the time spent in a scope.
Definition time_cpu.h:68
pcl::cuda::ScopeTimeCPU::ScopeTimeCPU
ScopeTimeCPU(const char *title)
Definition time_cpu.h:127
pcl::cuda::ScopeTimeCPU::~ScopeTimeCPU
~ScopeTimeCPU()
Definition time_cpu.h:132
pcl::cuda::getTime
double getTime()
Definition time_cpu.h:112
pcl
Definition convolution.h:46