randombench.cpp

void test_noise_generation()
{
    std::default_random_engine rng;
    std::uniform_real_distribution<float> distrib{-1.0f,1.0f};
    /*
    auto gener = [&rng,&distrib]()
    {
        return distrib(rng);
    };
    */
    std::function<float()> gener = [&rng,&distrib]()
    {
        return distrib(rng);
    };
    int lensamples = 60*60*44100;
    juce::AudioBuffer<float> buf(1,lensamples);
    auto bufptrs = buf.getArrayOfWritePointers();
    double bench_t0 = juce::Time::getMillisecondCounterHiRes();
    for (int i=0;i<lensamples;++i)
    {
        bufptrs[0][i] = distrib(rng);
    }
    double bench_t1 = juce::Time::getMillisecondCounterHiRes();
    std::cout << "bench took " << (bench_t1-bench_t0)/1000.0 << " seconds\n";
}