예제 #1
0
파일: join.cpp 프로젝트: 9prady9/arrayfire
TEST(Join, JoinLargeDim) {
    using af::constant;
    using af::deviceGC;
    using af::span;

    // const int nx = 32;
    const int nx = 1;
    const int ny = 4 * 1024 * 1024;
    const int nw = 4 * 1024 * 1024;

    deviceGC();
    {
        array in         = randu(nx, ny, u8);
        array joined     = join(0, in, in);
        dim4 in_dims     = in.dims();
        dim4 joined_dims = joined.dims();

        ASSERT_EQ(2 * in_dims[0], joined_dims[0]);
        ASSERT_EQ(0.f, sum<float>((joined(0, span) - joined(1, span)).as(f32)));

        array in2 = constant(1, (dim_t)nx, (dim_t)ny, (dim_t)2, (dim_t)nw, u8);
        joined    = join(3, in, in);
        in_dims   = in.dims();
        joined_dims = joined.dims();
        ASSERT_EQ(2 * in_dims[3], joined_dims[3]);
    }
}
예제 #2
0
TEST(JIT, CPP_JIT_HASH)
{
    const int num = 20;
    const float valA = 3;
    const float valB = 5;
    const float valC = 2;
    const float valD = valA + valB;
    const float valE = valA + valC;
    const float valF1 = valD * valE - valE;
    const float valF2 = valD * valE - valD;

    array a = constant(valA, num);
    array b = constant(valB, num);
    array c = constant(valC, num);
    eval(a);
    eval(b);
    eval(c);


    // Creating a kernel
    {
        array d = a + b;
        array e = a + c;
        array f1 = d * e - e;
        float *hF1 = f1.host<float>();

        for (int i = 0; i < num; i++) {
            ASSERT_EQ(hF1[i], valF1);
        }

        freeHost(hF1);
    }

    // Making sure a different kernel is generated
    {
        array d = a + b;
        array e = a + c;
        array f2 = d * e - d;
        float *hF2 = f2.host<float>();

        for (int i = 0; i < num; i++) {
            ASSERT_EQ(hF2[i], valF2);
        }

        freeHost(hF2);
    }
}
예제 #3
0
TEST(JIT, LinearLarge)
{
    // Needs to be larger than 65535 * 256 (or 1 << 24)
    float v1 = std::rand() % 100;
    float v2 = std::rand() % 100;

    array a = constant(v1, 1 << 25);
    array b = constant(v2, 1 << 25);
    array c = (a + b) * (a - b);
    eval(c);

    float v3 = (v1 + v2) * (v1 - v2);

    vector<float> hc(c.elements());
    c.host(hc.data());

    for (size_t i = 0; i < hc.size(); i++) {
        ASSERT_EQ(hc[i], v3);
    }
}
예제 #4
0
TEST(JIT, CPP_JIT_Reset_Unary)
{
    array a = constant(2, 5,5);
    array b = constant(1, 5,5);
    array c = sin(a);
    array d = cos(b);
    array e = c * d;
    e.eval();
    array f = c - d;
    f.eval();
    array g = d - c;
    g.eval();

    vector<float> hf(f.elements());
    vector<float> hg(g.elements());
    f.host(&hf[0]);
    g.host(&hg[0]);

    for (int i = 0; i < (int)f.elements(); i++) {
        ASSERT_EQ(hf[i], -hg[i]);
    }
}
예제 #5
0
TEST(Accum, MaxDim)
{
    const size_t largeDim = 65535 * 32 + 1;

    //first dimension kernel tests
    array input = constant(0, 2, largeDim, 2, 2);
    input(span, seq(0, 9999), span, span) = 1;

    array gold_first = constant(0, 2, largeDim, 2, 2);
    gold_first(span, seq(0, 9999), span, span) = range(2, 10000, 2, 2) + 1;

    array output_first = accum(input, 0);
    ASSERT_ARRAYS_EQ(gold_first, output_first);


    input = constant(0, 2, 2, 2, largeDim);
    input(span, span, span, seq(0, 9999)) = 1;

    gold_first = constant(0, 2, 2, 2, largeDim);
    gold_first(span, span, span, seq(0, 9999)) = range(2, 2, 2, 10000) + 1;

    output_first = accum(input, 0);
    ASSERT_ARRAYS_EQ(gold_first, output_first);


    //other dimension kernel tests
    input = constant(0, 2, largeDim, 2, 2);
    input(span, seq(0, 9999), span, span) = 1;

    array gold_dim = constant(10000, 2, largeDim, 2, 2);
    gold_dim(span, seq(0, 9999), span, span) = range(dim4(2, 10000, 2, 2), 1) + 1;

    array output_dim = accum(input, 1);
    ASSERT_ARRAYS_EQ(gold_dim, output_dim);


    input = constant(0, 2, 2, 2, largeDim);
    input(span, span, span, seq(0, 9999)) = 1;

    gold_dim = constant(0, 2, 2, 2, largeDim);
    gold_dim(span, span, span, seq(0, 9999)) = range(dim4(2, 2, 2, 10000), 1) + 1;

    output_dim = accum(input, 1);
    ASSERT_ARRAYS_EQ(gold_dim, output_dim);

}
예제 #6
0
TEST(FFTConvolve, Docs_Unified_Wrapper)
{
    // This unit test doesn't necessarily need to function
    // accuracy as af::convolve is merely a wrapper to
    // af::convolve[1|2|3]
    using af::array;
    using af::dim4;
    using af::randu;
    using af::constant;
    using af::convolve;

    //![ex_image_convolve_1d]
    array a = randu(10);
    //af_print(a);
    //a [10 1 1 1] = 0.0000 0.1315 0.7556 0.4587 0.5328 0.2190 0.0470 0.6789 0.6793 0.9347
    array b = randu(4);
    //af_print(b);
    //b [4 1 1 1]  = 0.3835 0.5194 0.8310 0.0346
    array c = convolve(a, b);
    //af_print(c);
    //c [10 1 1 1] = 0.3581 0.6777 1.0750 0.7679 0.5903 0.4851 0.6598 1.2770 1.0734 0.8002
    //![ex_image_convolve_1d]

    //![ex_image_convolve_2d]
    array d = constant(0.5, 5, 5);
    //af_print(d);
    //d [5 5 1 1]
    //    0.5000     0.5000     0.5000     0.5000     0.5000
    //    0.5000     0.5000     0.5000     0.5000     0.5000
    //    0.5000     0.5000     0.5000     0.5000     0.5000
    //    0.5000     0.5000     0.5000     0.5000     0.5000
    //    0.5000     0.5000     0.5000     0.5000     0.5000
    array e = constant(1, 2, 2);
    //af_print(e);
    //e [2 2 1 1]
    //     1.0000     1.0000
    //     1.0000     1.0000
    array f = fftConvolve(d, e);
    //af_print(f);
    //f [5 5 1 1]
    //     2.0000     2.0000     2.0000     2.0000     1.0000
    //     2.0000     2.0000     2.0000     2.0000     1.0000
    //     2.0000     2.0000     2.0000     2.0000     1.0000
    //     2.0000     2.0000     2.0000     2.0000     1.0000
    //     1.0000     1.0000     1.0000     1.0000     0.5000
    //![ex_image_convolve_2d]

    //![ex_image_convolve_3d]
    array g = constant(1, 4, 4, 4);
    //af_print(g);
    //g [4 4 4 1]
    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000

    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000

    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000

    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000
    //    1.0000     1.0000     1.0000     1.0000
    array h = constant(0.5, 2, 2, 2);
    //af_print(h);
    //h [2 2 2 1]
    //    0.5000     0.5000
    //    0.5000     0.5000

    //    0.5000     0.5000
    //    0.5000     0.5000

    array i = fftConvolve(g, h);
    //af_print(i);
    //i [4 4 4 1]
    //    4.0000     4.0000     4.0000     2.0000
    //    4.0000     4.0000     4.0000     2.0000
    //    4.0000     4.0000     4.0000     2.0000
    //    2.0000     2.0000     2.0000     1.0000

    //    4.0000     4.0000     4.0000     2.0000
    //    4.0000     4.0000     4.0000     2.0000
    //    4.0000     4.0000     4.0000     2.0000
    //    2.0000     2.0000     2.0000     1.0000

    //    4.0000     4.0000     4.0000     2.0000
    //    4.0000     4.0000     4.0000     2.0000
    //    4.0000     4.0000     4.0000     2.0000
    //    2.0000     2.0000     2.0000     1.0000

    //    2.0000     2.0000     2.0000     1.0000
    //    2.0000     2.0000     2.0000     1.0000
    //    2.0000     2.0000     2.0000     1.0000
    //    1.0000     1.0000     1.0000     0.5000
    //![ex_image_convolve_3d]
}