opencv/modules/ocl/perf/perf_norm.cpp

/*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
//    Fangfang Bai, fangfang@multicorewareinc.com
//    Jin Ma,       jin@multicorewareinc.com
//
// Redistribution and use in source and binary forms, with or without modification,
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#include "precomp.hpp"

///////////// norm////////////////////////
PERFTEST(norm)
{
    Mat src1, src2, ocl_src1;
    ocl::oclMat d_src1, d_src2;

    for (int size = Min_Size; size <= Max_Size; size *= Multiple)
    {
        SUBTEST << size << 'x' << size << "; CV_8UC1; NORM_INF";

        gen(src1, size, size, CV_8UC1, Scalar::all(0), Scalar::all(1));
        gen(src2, size, size, CV_8UC1, Scalar::all(0), Scalar::all(1));

        norm(src1, src2, NORM_INF);

        CPU_ON;
        norm(src1, src2, NORM_INF);
        CPU_OFF;

        d_src1.upload(src1);
        d_src2.upload(src2);

        WARMUP_ON;
        ocl::norm(d_src1, d_src2, NORM_INF);
        WARMUP_OFF;

        d_src1.download(ocl_src1);
        TestSystem::instance().ExpectedMatNear(src1, ocl_src1, .5);                        

        GPU_ON;
        ocl::norm(d_src1, d_src2, NORM_INF);
        GPU_OFF;

        GPU_FULL_ON;
        d_src1.upload(src1);
        d_src2.upload(src2);
        ocl::norm(d_src1, d_src2, NORM_INF);
        GPU_FULL_OFF;
    }
}