C++ (Cpp) TestTickCountDifference Exemples

Exemple #1

Fichier : test_tick_count.cpp Projet : artog/Raytracer

int TestMain () {
    // Increased tolerance for Virtual Machines
    double tolerance_multiplier = Harness::GetEnv( "VIRTUAL_MACHINE" ) ? 50. : 1.;
    REMARK( "tolerance_multiplier = %g \n", tolerance_multiplier );

    tbb::tick_count t0 = tbb::tick_count::now();
    TestSimpleDelay(/*ntrial=*/1000000,/*duration=*/0,    /*tolerance=*/2E-6 * tolerance_multiplier);
    tbb::tick_count t1 = tbb::tick_count::now();
    TestSimpleDelay(/*ntrial=*/1000,   /*duration=*/0.001,/*tolerance=*/5E-6 * tolerance_multiplier);
    tbb::tick_count t2 = tbb::tick_count::now();
    TestArithmetic(t0,t1,t2);

    TestResolution();

    int num_threads = tbb::tbb_thread::hardware_concurrency();
    ASSERT( num_threads > 0, "tbb::thread::hardware_concurrency() has returned an incorrect value" );
    if ( num_threads > 1 ) {
        REMARK( "num_threads = %d\n", num_threads );
        TestTickCountDifference( num_threads );
    } else {
        REPORT( "Warning: concurrency is too low for TestTickCountDifference ( num_threads = %d )\n", num_threads );
    }

    return Harness::Done;
}

Exemple #2

Fichier : test_tick_count.cpp Projet : RandomDeveloperM/UE4_Hairworks

int TestMain () {
    tbb::tick_count t0 = tbb::tick_count::now();
    TestSimpleDelay(/*ntrial=*/1000000,/*duration=*/0,    /*tolerance=*/2E-6);
    tbb::tick_count t1 = tbb::tick_count::now();
    TestSimpleDelay(/*ntrial=*/10,     /*duration=*/0.125,/*tolerance=*/5E-6);
    tbb::tick_count t2 = tbb::tick_count::now();
    TestArithmetic(t0,t1,t2);

    for( int n=MinThread; n<=MaxThread; ++n ) {
        TestTickCountDifference(n);
    }
    return Harness::Done;
}