runWavePerf()

WavePerfResult fl::wave_perf::runWavePerf ( u32 W, u32 H, u32 iterations, LaplacianStencil stencil )

inline

Definition at line 83 of file wave_perf_bench.h.

                                                                         {
    WavePerfResult r;
    if (!isValidGrid(W, H) || !isValidIterations(iterations)) {
        return r;
    }
    auto sim = makeBenchSim(W, H, stencil);
    const u32 t0 = fl::micros();
    for (u32 i = 0; i < iterations; ++i) {
        sim->update();
    }
    const u32 t1 = fl::micros();
    r.success = true;
    r.total_us = t1 - t0;
    const double cells_per_update = static_cast<double>(W) * H;
    r.us_per_update = static_cast<double>(r.total_us)
                       / static_cast<double>(iterations);
    r.us_per_cell_per_update = r.us_per_update / cells_per_update;
    r.fps_at_one_update_per_frame = (r.us_per_update > 0.0)
        ? (1.0e6 / r.us_per_update) : 0.0;
    return r;
}

References fl::FL_NO_EXCEPT, fl::wave_perf::WavePerfResult::fps_at_one_update_per_frame, H, isValidGrid(), isValidIterations(), makeBenchSim(), fl::micros(), fl::wave_perf::WavePerfResult::success, fl::wave_perf::WavePerfResult::total_us, fl::wave_perf::WavePerfResult::us_per_cell_per_update, fl::wave_perf::WavePerfResult::us_per_update, and W.

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