modules/ocl/perf/perf_brute_force_matcher.cpp

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  10 //                           License Agreement
  11 //                For Open Source Computer Vision Library
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  13 // Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
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  16 //
  17 // @Authors
  18 //    Fangfang Bai, fangfang@multicorewareinc.com
  19 //    Jin Ma,       jin@multicorewareinc.com
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  45 //M*/
  46 #include "precomp.hpp"
  47
  48 //////////////////// BruteForceMatch /////////////////
  49 PERFTEST(BruteForceMatcher)
  50 {
  51     Mat trainIdx_cpu;
  52     Mat distance_cpu;
  53     Mat allDist_cpu;
  54     Mat nMatches_cpu;
  55
  56     for (int size = Min_Size; size <= Max_Size; size *= Multiple)
  57     {
  58         // Init CPU matcher
  59         int desc_len = 64;
  60
  61         BFMatcher matcher(NORM_L2);
  62
  63         Mat query;
  64         gen(query, size, desc_len, CV_32F, 0, 1);
  65
  66         Mat train;
  67         gen(train, size, desc_len, CV_32F, 0, 1);
  68         // Output
  69         vector< vector<DMatch> > matches(2);
  70         vector< vector<DMatch> > d_matches(2);
  71         // Init GPU matcher
  72         ocl::BruteForceMatcher_OCL_base d_matcher(ocl::BruteForceMatcher_OCL_base::L2Dist);
  73
  74         ocl::oclMat d_query(query);
  75         ocl::oclMat d_train(train);
  76
  77         ocl::oclMat d_trainIdx, d_distance, d_allDist, d_nMatches;
  78
  79         SUBTEST << size << "; match";
  80
  81         matcher.match(query, train, matches[0]);
  82
  83         CPU_ON;
  84         matcher.match(query, train, matches[0]);
  85         CPU_OFF;
  86
  87         WARMUP_ON;
  88         d_matcher.matchSingle(d_query, d_train, d_trainIdx, d_distance);
  89         WARMUP_OFF;
  90
  91         GPU_ON;
  92         d_matcher.matchSingle(d_query, d_train, d_trainIdx, d_distance);
  93         GPU_OFF;
  94
  95         GPU_FULL_ON;
  96         d_query.upload(query);
  97         d_train.upload(train);
  98         d_matcher.match(d_query, d_train, d_matches[0]);
  99         GPU_FULL_OFF;
 100
 101         int diff = abs((int)d_matches[0].size() - (int)matches[0].size());
 102         if(diff == 0)
 103             TestSystem::instance().setAccurate(1, 0);
 104         else
 105             TestSystem::instance().setAccurate(0, diff);
 106
 107         SUBTEST << size << "; knnMatch";
 108
 109         matcher.knnMatch(query, train, matches, 2);
 110
 111         CPU_ON;
 112         matcher.knnMatch(query, train, matches, 2);
 113         CPU_OFF;
 114
 115         WARMUP_ON;
 116         d_matcher.knnMatchSingle(d_query, d_train, d_trainIdx, d_distance, d_allDist, 2);
 117         WARMUP_OFF;
 118
 119         GPU_ON;
 120         d_matcher.knnMatchSingle(d_query, d_train, d_trainIdx, d_distance, d_allDist, 2);
 121         GPU_OFF;
 122
 123         GPU_FULL_ON;
 124         d_query.upload(query);
 125         d_train.upload(train);
 126         d_matcher.knnMatch(d_query, d_train, d_matches, 2);
 127         GPU_FULL_OFF;
 128
 129         diff = abs((int)d_matches[0].size() - (int)matches[0].size());
 130         if(diff == 0)
 131             TestSystem::instance().setAccurate(1, 0);
 132         else
 133             TestSystem::instance().setAccurate(0, diff);
 134
 135         SUBTEST << size << "; radiusMatch";
 136
 137         float max_distance = 2.0f;
 138
 139         matcher.radiusMatch(query, train, matches, max_distance);
 140
 141         CPU_ON;
 142         matcher.radiusMatch(query, train, matches, max_distance);
 143         CPU_OFF;
 144
 145         d_trainIdx.release();
 146
 147         WARMUP_ON;
 148         d_matcher.radiusMatchSingle(d_query, d_train, d_trainIdx, d_distance, d_nMatches, max_distance);
 149         WARMUP_OFF;
 150
 151         GPU_ON;
 152         d_matcher.radiusMatchSingle(d_query, d_train, d_trainIdx, d_distance, d_nMatches, max_distance);
 153         GPU_OFF;
 154
 155         GPU_FULL_ON;
 156         d_query.upload(query);
 157         d_train.upload(train);
 158         d_matcher.radiusMatch(d_query, d_train, d_matches, max_distance);
 159         GPU_FULL_OFF;
 160
 161         diff = abs((int)d_matches[0].size() - (int)matches[0].size());
 162         if(diff == 0)
 163             TestSystem::instance().setAccurate(1, 0);
 164         else
 165             TestSystem::instance().setAccurate(0, diff);
 166     }
 167 }