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adding timing for multi-threaded case

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This commit is contained in:
Andrey Pavlenko 2013-12-18 17:02:39 +04:00
parent e719bee2b8
commit 8c60498673
1 changed files with 35 additions and 22 deletions
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57
samples/ocl/facedetect.cpp
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@ -30,7 +30,7 @@ const static Scalar colors[] = { CV_RGB(0,0,255),
int64 work_begin[MAX_THREADS] = {0};
int64 work_end[MAX_THREADS] = {0};
int64 work_total[MAX_THREADS] = {0};
string inputName, outputName, cascadeName;
static void workBegin(int i = 0)
@ -40,12 +40,12 @@ static void workBegin(int i = 0)
static void workEnd(int i = 0)
{
work_end[i] += (getTickCount() - work_begin[i]);
work_total[i] += (getTickCount() - work_begin[i]);
}
static double getTime(int i = 0)
static double getTotalTime(int i = 0)
{
return work_end[i] /getTickFrequency() * 1000.;
return work_total[i] /getTickFrequency() * 1000.;
}
@ -152,7 +152,7 @@ static int facedetect_one_thread(bool useCPU, double scale )
cout << "average CPU time (noCamera) : ";
else
cout << "average GPU time (noCamera) : ";
cout << getTime() / LOOP_NUM << " ms" << endl;
cout << getTotalTime() / LOOP_NUM << " ms" << endl;
cout << "accuracy value: " << accuracy <<endl;
Draw(image, faces, scale);
@ -167,7 +167,7 @@ static int facedetect_one_thread(bool useCPU, double scale )
///////////////////////////////////////detectfaces with multithreading////////////////////////////////////////////
#if defined(_MSC_VER) && (_MSC_VER >= 1700)
static void detectFaces(std::string fileName)
static void detectFaces(std::string fileName, int threadNum)
{
ocl::OclCascadeClassifier cascade;
if(!cascade.load(cascadeName))
@ -179,7 +179,7 @@ static void detectFaces(std::string fileName)
Mat img = imread(fileName, CV_LOAD_IMAGE_COLOR);
if (img.empty())
{
std::cout << "cann't open file " + fileName <<std::endl;
std::cout << '[' << threadNum << "] " << "can't open file " + fileName <<std::endl;
return;
}
@ -187,23 +187,37 @@ static void detectFaces(std::string fileName)
d_img.upload(img);
std::vector<Rect> oclfaces;
cascade.detectMultiScale(d_img, oclfaces, 1.1, 3, 0|CV_HAAR_SCALE_IMAGE, Size(30, 30), Size(0, 0));
std::thread::id tid = std::this_thread::get_id();
std::cout << '[' << threadNum << "] "
<< "ThreadID = " << tid
<< ", CommandQueue = " << *(void**)ocl::getClCommandQueuePtr()
<< endl;
for(int i = 0; i <= LOOP_NUM; i++)
{
if(i>0) workBegin(threadNum);
cascade.detectMultiScale(d_img, oclfaces, 1.1, 3, 0|CV_HAAR_SCALE_IMAGE, Size(30, 30), Size(0, 0));
if(i>0) workEnd(threadNum);
}
std::cout << '[' << threadNum << "] " << "Average time = " << getTotalTime(threadNum) / LOOP_NUM << " ms" << endl;
for(unsigned int i = 0; i<oclfaces.size(); i++)
rectangle(img, Point(oclfaces[i].x, oclfaces[i].y), Point(oclfaces[i].x + oclfaces[i].width, oclfaces[i].y + oclfaces[i].height), colors[i%8], 3);
std::string::size_type pos = outputName.rfind('.');
std::string outputNameTid = outputName + '-' + std::to_string(_threadid);
if(pos == std::string::npos)
std::string strTid = std::to_string(_threadid);
if( !outputName.empty() )
{
std::cout << "Invalid output file name: " << outputName << std::endl;
if(pos == std::string::npos)
{
std::cout << "Invalid output file name: " << outputName << std::endl;
}
else
{
std::string outputNameTid = outputName.substr(0, pos) + "_" + strTid + outputName.substr(pos);
imwrite(outputNameTid, img);
}
}
else
{
outputNameTid = outputName.substr(0, pos) + "_" + std::to_string(_threadid) + outputName.substr(pos);
imwrite(outputNameTid, img);
}
imshow(outputNameTid, img);
imshow(strTid, img);
waitKey(0);
}
@ -212,7 +226,7 @@ static void facedetect_multithreading(int nthreads)
int thread_number = MAX_THREADS < nthreads ? MAX_THREADS : nthreads;
std::vector<std::thread> threads;
for(int i = 0; i<thread_number; i++)
threads.push_back(std::thread(detectFaces, inputName));
threads.push_back(std::thread(detectFaces, inputName, i));
for(int i = 0; i<thread_number; i++)
threads[i].join();
}
@ -228,8 +242,7 @@ int main( int argc, const char** argv )
" specify template file path }"
"{ c | scale | 1.0 | scale image }"
"{ s | use_cpu | false | use cpu or gpu to process the image }"
"{ o | output | facedetect_output.jpg |"
" specify output image save path(only works when input is images) }"
"{ o | output | | specify output image save path(only works when input is images) }"
"{ n | thread_num | 1 | set number of threads >= 1 }";
CommandLineParser cmd(argc, argv, keys);
@ -314,8 +327,8 @@ void Draw(Mat& img, vector<Rect>& faces, double scale)
radius = cvRound((r->width + r->height)*0.25*scale);
circle( img, center, radius, color, 3, 8, 0 );
}
imwrite( outputName, img );
if(abs(scale-1.0)>.001)
if( !outputName.empty() ) imwrite( outputName, img );
if( abs(scale-1.0)>.001 )
{
resize(img, img, Size((int)(img.cols/scale), (int)(img.rows/scale)));
}