Point Cloud Library (PCL)
1.15.0
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utils
include
pcl
gpu
utils
timers_cuda.hpp
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/*
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* Software License Agreement (BSD License)
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*
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* Copyright (c) 2011, Willow Garage, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Willow Garage, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Author: Anatoly Baskeheev, Itseez Ltd, (myname.mysurname@mycompany.com)
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*/
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#ifndef _PCL_CUDA_TIMERS_HPP_
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#define _PCL_CUDA_TIMERS_HPP_
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#include <cuda_runtime_api.h>
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#include <cstdio>
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namespace
pcl
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{
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namespace
gpu
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{
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struct
Timer
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{
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cudaEvent_t
start_
,
stop_
;
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Timer
(
bool
runTimer =
false
)
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{
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cudaEventCreate(&
start_
);
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cudaEventCreate(&
stop_
);
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if
(runTimer)
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start
();
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}
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~Timer
()
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{
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cudaEventDestroy(
start_
);
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cudaEventDestroy(
stop_
);
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}
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void
start
()
const
{ cudaEventRecord(
start_
, 0); }
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Timer
&
stop
() { cudaEventRecord(
stop_
, 0); cudaEventSynchronize(
stop_
);
return
*
this
; }
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float
time
()
const
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{
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float
elapsed_time;
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cudaEventElapsedTime(&elapsed_time,
start_
,
stop_
);
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return
elapsed_time;
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}
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};
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struct
ScopeTimer
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{
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const
char
*
name
;
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cudaEvent_t
start
,
stop
;
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ScopeTimer
(
const
char
* name_) :
name
(name_)
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{
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cudaEventCreate(&
start
);
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cudaEventCreate(&
stop
);
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cudaEventRecord(
start
);
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}
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~ScopeTimer
()
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{
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float
elapsed_time;
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cudaEventRecord(
stop
);
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cudaEventSynchronize(
stop
);
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cudaEventElapsedTime(&elapsed_time,
start
,
stop
);
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printf(
"Time(%s) = %fms\n"
,
name
, elapsed_time);
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cudaEventDestroy(
start
);
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cudaEventDestroy(
stop
);
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}
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};
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}
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}
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#endif
/* _PCL_CUDA_TIMERS_HPP_ */
pcl
Definition
convolution.h:46
pcl::gpu::ScopeTimer
Definition
timers_cuda.hpp:75
pcl::gpu::ScopeTimer::~ScopeTimer
~ScopeTimer()
Definition
timers_cuda.hpp:84
pcl::gpu::ScopeTimer::start
cudaEvent_t start
Definition
timers_cuda.hpp:77
pcl::gpu::ScopeTimer::name
const char * name
Definition
timers_cuda.hpp:76
pcl::gpu::ScopeTimer::stop
cudaEvent_t stop
Definition
timers_cuda.hpp:77
pcl::gpu::ScopeTimer::ScopeTimer
ScopeTimer(const char *name_)
Definition
timers_cuda.hpp:78
pcl::gpu::Timer
Definition
timers_cuda.hpp:48
pcl::gpu::Timer::Timer
Timer(bool runTimer=false)
Definition
timers_cuda.hpp:50
pcl::gpu::Timer::stop
Timer & stop()
Definition
timers_cuda.hpp:64
pcl::gpu::Timer::start
void start() const
Definition
timers_cuda.hpp:63
pcl::gpu::Timer::start_
cudaEvent_t start_
Definition
timers_cuda.hpp:49
pcl::gpu::Timer::~Timer
~Timer()
Definition
timers_cuda.hpp:57
pcl::gpu::Timer::stop_
cudaEvent_t stop_
Definition
timers_cuda.hpp:49
pcl::gpu::Timer::time
float time() const
Definition
timers_cuda.hpp:66