opencv/modules/ocl/perf/perf_gemm.cpp

/*M///////////////////////////////////////////////////////////////////////////////////////
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//                           License Agreement
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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
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// Redistribution and use in source and binary forms, with or without modification,
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#include "precomp.hpp"

///////////// gemm ////////////////////////
PERFTEST(gemm)
{
    Mat src1, src2, src3, dst;
    ocl::oclMat d_src1, d_src2, d_src3, d_dst;

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

        gen(src1, size, size, CV_32FC1, Scalar::all(-10), Scalar::all(10));
        gen(src2, size, size, CV_32FC1, Scalar::all(-10), Scalar::all(10));
        gen(src3, size, size, CV_32FC1, Scalar::all(-10), Scalar::all(10));

        gemm(src1, src2, 1.0, src3, 1.0, dst);

        CPU_ON;
        gemm(src1, src2, 1.0, src3, 1.0, dst);
        CPU_OFF;

        d_src1.upload(src1);
        d_src2.upload(src2);
        d_src3.upload(src3);

        WARMUP_ON;
        ocl::gemm(d_src1, d_src2, 1.0, d_src3, 1.0, d_dst);
        WARMUP_OFF;
        TestSystem::instance().setAccurate(ExpectedMatNear(cv::Mat(d_dst), dst, src1.cols * src1.rows * 1e-4));

        GPU_ON;
        ocl::gemm(d_src1, d_src2, 1.0, d_src3, 1.0, d_dst);
        GPU_OFF;

        GPU_FULL_ON;
        d_src1.upload(src1);
        d_src2.upload(src2);
        d_src3.upload(src3);
        ocl::gemm(d_src1, d_src2, 1.0, d_src3, 1.0, d_dst);
        d_dst.download(dst);
        GPU_FULL_OFF;
    }
}