opencv/modules/ocl/perf/perf_surf.cpp
2012-10-17 15:32:23 +04:00

103 lines
3.6 KiB
C++

/*M///////////////////////////////////////////////////////////////////////////////////////
//
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// License Agreement
// For Open Source Computer Vision Library
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// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
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// @Authors
// Peng Xiao, pengxiao@multicorewareinc.com
//
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#include "precomp.hpp"
#include <iomanip>
#ifdef HAVE_OPENCL
using namespace cv;
using namespace cv::ocl;
using namespace cvtest;
using namespace testing;
using namespace std;
#define FILTER_IMAGE "../../../samples/gpu/road.png"
TEST(SURF, Performance)
{
cv::Mat img = readImage(FILTER_IMAGE, cv::IMREAD_GRAYSCALE);
ASSERT_FALSE(img.empty());
ocl::SURF_OCL d_surf;
ocl::oclMat d_keypoints;
ocl::oclMat d_descriptors;
double totalgputick = 0;
double totalgputick_kernel = 0;
double t1 = 0;
double t2 = 0;
for(int j = 0; j < LOOP_TIMES + 1; j ++)
{
t1 = (double)cvGetTickCount();//gpu start1
ocl::oclMat d_src(img);//upload
t2 = (double)cvGetTickCount(); //kernel
d_surf(d_src, ocl::oclMat(), d_keypoints, d_descriptors);
t2 = (double)cvGetTickCount() - t2;//kernel
cv::Mat cpu_kp, cpu_dp;
d_keypoints.download (cpu_kp);//download
d_descriptors.download (cpu_dp);//download
t1 = (double)cvGetTickCount() - t1;//gpu end1
if(j == 0)
continue;
totalgputick = t1 + totalgputick;
totalgputick_kernel = t2 + totalgputick_kernel;
}
cout << "average gpu runtime is " << totalgputick / ((double)cvGetTickFrequency()* LOOP_TIMES * 1000.) << "ms" << endl;
cout << "average gpu runtime without data transfer is " << totalgputick_kernel / ((double)cvGetTickFrequency()* LOOP_TIMES * 1000.) << "ms" << endl;
}
#endif //Have opencl