more GPU perf. tests refactoring, added singular maps into remap test

samples/gpu/performance/performance.cpp

@@ -13,11 +13,7 @@ void TestSystem::run()
         (*it)->run();
     }
 
-    cout << setiosflags(ios_base::left);
-    cout << TAB << setw(10) << "CPU, ms" << setw(10) << "GPU, ms" 
-        << setw(10) << "SPEEDUP" 
-        << "DESCRIPTION\n";
-    cout << resetiosflags(ios_base::left);
+    printHeading();
 
     // Run tests
     it = tests_.begin();
@@ -35,11 +31,7 @@ void TestSystem::run()
         }
     }
 
-    cout << setiosflags(ios_base::fixed);
-    cout << "\naverage GPU speedup: x" 
-        << setprecision(3) << speedup_total_ / num_subtests_called_ 
-        << endl;
-    cout << resetiosflags(ios_base::fixed);
+    printSummary();
 }
 
 
@@ -54,8 +46,36 @@ void TestSystem::flushSubtestData()
     double speedup = static_cast<double>(cpu_time) / std::max(1, gpu_time);
     speedup_total_ += speedup;
 
-    cout << TAB << setiosflags(ios_base::left);
+    printItem(cpu_time, gpu_time, speedup);
+    
+    num_subtests_called_++;
+    resetSubtestData();
+}
 
+
+void TestSystem::printHeading()
+{
+    cout << setiosflags(ios_base::left);
+    cout << TAB << setw(10) << "CPU, ms" << setw(10) << "GPU, ms" 
+        << setw(10) << "SPEEDUP" 
+        << "DESCRIPTION\n";
+    cout << resetiosflags(ios_base::left);
+}
+
+
+void TestSystem::printSummary()
+{
+    cout << setiosflags(ios_base::fixed);
+    cout << "\naverage GPU speedup: x" 
+        << setprecision(3) << speedup_total_ / num_subtests_called_ 
+        << endl;
+    cout << resetiosflags(ios_base::fixed);
+}
+
+
+void TestSystem::printItem(double cpu_time, double gpu_time, double speedup)
+{
+    cout << TAB << setiosflags(ios_base::left);
     stringstream stream;
 
     stream << cpu_time;
@@ -71,9 +91,6 @@ void TestSystem::flushSubtestData()
 
     cout << description_.str();
     cout << resetiosflags(ios_base::left) << endl;
-    
-    num_subtests_called_++;
-    resetSubtestData();
 }
 
 

samples/gpu/performance/performance.h

@@ -77,6 +77,10 @@ private:
         can_flush_ = false;
     }
 
+    void printHeading();
+    void printSummary();
+    void printItem(double cpu_time, double gpu_time, double speedup);
+
     std::vector<Runnable*> inits_;
     std::vector<Runnable*> tests_;
 

samples/gpu/performance/tests.cpp

 #include <opencv2/imgproc/imgproc.hpp>
-#include <opencv2/highgui/highgui.hpp>
 #include <opencv2/gpu/gpu.hpp>
 #include "performance.h"
 
@@ -79,7 +78,7 @@ TEST(remap)
 
     for (int size = 1000; size <= 8000; size *= 2)
     {
-        SUBTEST << "src " << size << " and 8UC1, 32FC1 maps";
+        SUBTEST << "src " << size << " and 8U, 32F maps";
 
         gen(src, size, size, CV_8UC1, 0, 256);
         gen(xmap, size, size, CV_32F, 0, size);
@@ -98,6 +97,22 @@ TEST(remap)
         GPU_ON;
         gpu::remap(d_src, d_dst, d_xmap, d_ymap);
         GPU_OFF;
+
+        SUBTEST << "src " << size << " and 8U, 32F singular maps";
+
+        gen(xmap, size, size, CV_32F, 0, 0);
+        gen(ymap, size, size, CV_32F, 0, 0);
+
+        CPU_ON;
+        remap(src, dst, xmap, ymap, INTER_LINEAR);
+        CPU_OFF;
+
+        d_xmap = xmap;
+        d_ymap = ymap;
+
+        GPU_ON;
+        gpu::remap(d_src, d_dst, d_xmap, d_ymap);
+        GPU_OFF;
     }
 }
 
@@ -135,7 +150,7 @@ TEST(cornerHarris)
 
     for (int size = 2000; size <= 4000; size *= 2)
     {
-        SUBTEST << "size " << size << ", 32FC1";
+        SUBTEST << "size " << size << ", 32F";
 
         gen(src, size, size, CV_32F, 0, 1);
         dst.create(src.size(), src.type());
@@ -148,7 +163,7 @@ TEST(cornerHarris)
         d_dst.create(src.size(), src.type());
 
         GPU_ON;
-        gpu::cornerHarris(d_src, d_dst, 5, 7, 0.1);
+        gpu::cornerHarris(d_src, d_dst, 5, 7, 0.1, BORDER_REFLECT101);
         GPU_OFF;
     }
 }