From: Ilya Lysenkov <no@email>
Date: Thu, 1 Jul 2010 07:22:16 +0000 (+0000)
Subject: Added timing test for BruteForceMatcher
X-Git-Tag: accepted/tizen/6.0/unified/20201030.111113~9011
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e9596deebb48de230b3eb52dfa3f68d53765575d;p=platform%2Fupstream%2Fopencv.git

Added timing test for BruteForceMatcher
---

diff --git a/tests/cv/src/abruteforcematcher.cpp b/tests/cv/src/abruteforcematcher.cpp
deleted file mode 100644
index ff850ec..0000000
--- a/tests/cv/src/abruteforcematcher.cpp
+++ /dev/null
@@ -1,58 +0,0 @@
-#include "cvtest.h"
-
-using namespace cv;
-
-class BruteForceMatcherTest : public CvTest
-{
-public:
-    BruteForceMatcherTest();
-protected:
-    void run( int );
-};
-
-BruteForceMatcherTest::BruteForceMatcherTest() : CvTest( "BruteForceMatcher", "BruteForceMatcher")
-{
-}
-
-void BruteForceMatcherTest::run( int )
-{
-    const int dimensions = 64;
-    const int descriptorsNumber = 1024;
-
-    Mat train = Mat( descriptorsNumber, dimensions, CV_32FC1);
-    Mat query = Mat( descriptorsNumber, dimensions, CV_32FC1);
-
-    Mat permutation( 1, descriptorsNumber, CV_32SC1 );
-    for( int i=0;i<descriptorsNumber;i++ )
-        permutation.at<int>( 0, i ) = i;
-
-    RNG rng (cvGetTickCount());
-    randShuffle( permutation, 1, &rng );
-
-    float boundary =  500.f;
-    for( int row=0;row<descriptorsNumber;row++ )
-    {
-        for( int col=0;col<dimensions;col++ )
-        {
-            int bit = rng( 2 );
-            train.at<float>( permutation.at<int>( 0, row ), col ) = bit*boundary + rng.uniform( 0.f, boundary );
-            query.at<float>( row, col ) = bit*boundary + rng.uniform( 0.f, boundary );
-        }
-    }
-
-    vector<int> matches;
-    BruteForceMatcher<L2<float> > matcher;
-    matcher.add( train );
-    matcher.match( query, matches );
-
-    for( int i=0;i<descriptorsNumber;i++ )
-    {
-        if( matches[i] != permutation.at<int>( 0, i ) )
-        {
-            ts->set_failed_test_info( CvTS::FAIL_MISMATCH );
-            break;
-        }
-    }
-}
-
-BruteForceMatcherTest bruteForceMatcherTest;
diff --git a/tests/cv/src/tabruteforcematcher.cpp b/tests/cv/src/tabruteforcematcher.cpp
new file mode 100644
index 0000000..5bb42a3
--- /dev/null
+++ b/tests/cv/src/tabruteforcematcher.cpp
@@ -0,0 +1,81 @@
+#include "cvtest.h"
+
+using namespace cv;
+
+class BruteForceMatcherTest : public CvTest
+{
+public:
+    BruteForceMatcherTest();
+protected:
+    void run( int );
+};
+
+struct CV_EXPORTS L2Fake : public L2<float>
+{
+};
+
+BruteForceMatcherTest::BruteForceMatcherTest() : CvTest( "BruteForceMatcher", "BruteForceMatcher::matchImpl")
+{
+    support_testing_modes = CvTS::TIMING_MODE;
+}
+
+void BruteForceMatcherTest::run( int )
+{
+    const int dimensions = 64;
+    const int descriptorsNumber = 5000;
+
+    Mat train = Mat( descriptorsNumber, dimensions, CV_32FC1);
+    Mat query = Mat( descriptorsNumber, dimensions, CV_32FC1);
+
+    Mat permutation( 1, descriptorsNumber, CV_32SC1 );
+    for( int i=0;i<descriptorsNumber;i++ )
+        permutation.at<int>( 0, i ) = i;
+
+    RNG rng (cvGetTickCount());
+    randShuffle( permutation, 1, &rng );
+
+    float boundary =  500.f;
+    for( int row=0;row<descriptorsNumber;row++ )
+    {
+        for( int col=0;col<dimensions;col++ )
+        {
+            int bit = rng( 2 );
+            train.at<float>( permutation.at<int>( 0, row ), col ) = bit*boundary + rng.uniform( 0.f, boundary );
+            query.at<float>( row, col ) = bit*boundary + rng.uniform( 0.f, boundary );
+        }
+    }
+
+    vector<int> specMatches, genericMatches;
+    BruteForceMatcher<L2<float> > specMatcher;
+    BruteForceMatcher<L2Fake > genericMatcher;
+    specMatcher.add( train );
+    genericMatcher.add( train );
+
+
+    int64 time0 = cvGetTickCount();
+    specMatcher.match( query, specMatches );
+    int64 time1 = cvGetTickCount();
+    genericMatcher.match( query, genericMatches );
+    int64 time2 = cvGetTickCount();
+
+    float specMatcherTime = float(time1 - time0)/(float)cvGetTickFrequency();
+    ts->printf( CvTS::LOG, "Matching by matrix multiplication time s: %f, us per pair: %f\n",
+               specMatcherTime*1e-6, specMatcherTime/( descriptorsNumber*descriptorsNumber ) );
+
+    float genericMatcherTime = float(time2 - time1)/(float)cvGetTickFrequency();
+    ts->printf( CvTS::LOG, "Matching without matrix multiplication time s: %f, us per pair: %f\n",
+               genericMatcherTime*1e-6, genericMatcherTime/( descriptorsNumber*descriptorsNumber ) );
+
+    if( specMatches.size() != descriptorsNumber || genericMatches.size() != descriptorsNumber )
+        ts->set_failed_test_info( CvTS::FAIL_INVALID_OUTPUT );
+    for( int i=0;i<descriptorsNumber;i++ )
+    {
+        if( specMatches[i] != permutation.at<int>( 0, i ) || genericMatches[i] != permutation.at<int>( 0, i ) )
+        {
+            ts->set_failed_test_info( CvTS::FAIL_MISMATCH );
+            break;
+        }
+    }
+}
+
+BruteForceMatcherTest bruteForceMatcherTest;