Examples with TimingService uk.ac.sussex.gdsc.test.utils.TimingService used on opensource projects

Example 16 with TimingService

use of uk.ac.sussex.gdsc.test.utils.TimingService in project GDSC-SMLM by aherbert.

the class ErfTest method erfApproxIsFaster.

@Test
void erfApproxIsFaster() {
    Assumptions.assumeTrue(TestSettings.allow(TestComplexity.MEDIUM));
    final int range = 5;
    final int steps = 10000;
    final double[] x = new double[steps];
    final double total = 2 * range;
    final double step = total / steps;
    for (int i = 0; i < steps; i++) {
        x[i] = -range + i * step;
    }
    final TimingService ts = new TimingService(5);
    ts.execute(new ErfTimingTask(new ApacheErf(), x));
    ts.execute(new ErfTimingTask(new Erf(), x));
    ts.execute(new ErfTimingTask(new Erf0(), x));
    ts.execute(new ErfTimingTask(new Erf2(), x));
    final int size = ts.getSize();
    ts.repeat(size);
    if (logger.isLoggable(Level.INFO)) {
        logger.info(ts.getReport(size));
    }
    Assertions.assertTrue(ts.get(-3).getMean() < ts.get(-4).getMean());
}

Example 17 with TimingService

use of uk.ac.sussex.gdsc.test.utils.TimingService in project GDSC-SMLM by aherbert.

the class FastMathTest method cbrtIsFaster.

// @formatter:on
@SpeedTag
@Test
void cbrtIsFaster() {
    Assumptions.assumeTrue(TestSettings.allow(TestComplexity.MEDIUM));
    // Q. What is a suitable range for this test?
    final int range = 5;
    final int steps = 10000;
    final double[] x = new double[steps];
    final double total = 2 * range;
    final double step = total / steps;
    for (int i = 0; i < steps; i++) {
        x[i] = -range + i * step;
    }
    final TimingService ts = new TimingService(5);
    ts.execute(new MathPow1_3(x));
    ts.execute(new FastMathPow1_3(x));
    ts.execute(new MathCbrt(x));
    ts.execute(new FastMathCbrt(x));
    final int size = ts.getSize();
    ts.repeat(size);
    if (logger.isLoggable(Level.INFO)) {
        logger.info(ts.getReport());
    }
    final TimingResult fast = ts.get(-1);
    for (int k = 2; k <= 3; k++) {
        final TimingResult slow = ts.get(-k);
        logger.log(TestLogUtils.getTimingRecord(slow, fast));
    }
}

Example 18 with TimingService

use of uk.ac.sussex.gdsc.test.utils.TimingService in project GDSC-SMLM by aherbert.

the class FastLogTest method canTestFloatVsDoubleSpeed.

@SpeedTag
@SeededTest
void canTestFloatVsDoubleSpeed(RandomSeed seed) {
    // No assertions, this is just a report
    Assumptions.assumeTrue(logger.isLoggable(Level.INFO));
    Assumptions.assumeTrue(TestSettings.allow(TestComplexity.MEDIUM));
    final UniformRandomProvider rng = RngUtils.create(seed.getSeed());
    final double[] x = new double[1000000];
    final float[] xf = new float[x.length];
    for (int i = 0; i < x.length; i++) {
        x[i] = nextUniformFloat(rng);
        xf[i] = (float) x[i];
    }
    final TimingService ts = new TimingService(5);
    ts.execute(new DoubleTimingTask(new TestLog(new MathLog()), 0, x));
    ts.execute(new DoubleTimingTask(new TestLog(new FastMathLog()), 0, x));
    for (final int q : new int[] { 11 }) {
        final int n = 23 - q;
        final IcsiFastLog ff = IcsiFastLog.create(n, DataType.FLOAT);
        final IcsiFastLog fd = IcsiFastLog.create(n, DataType.DOUBLE);
        final IcsiFastLog ff2 = IcsiFastLog.create(n, DataType.FLOAT);
        ts.execute(new DoubleToFloatTimingTask(new TestLog(ff), q, x, xf));
        ts.execute(new DoubleToFloatTimingTask(new TestFastLog(ff), q, x, xf));
        ts.execute(new FloatTimingTask(new TestLog(ff2), q, xf));
        ts.execute(new FloatTimingTask(new TestFastLog(ff2), q, xf));
        ts.execute(new DoubleTimingTask(new TestLog(fd), q, x));
        ts.execute(new DoubleTimingTask(new TestFastLog(fd), q, x));
        // ts.execute(new DoubleToFloatTimingTask(new TestLog(ff), q, x, xf));
        // ts.execute(new DoubleToFloatTimingTask(new TestFastLog(ff), q, x, xf));
        // ts.execute(new FloatTimingTask(new TestLog(ff2), q, xf));
        // ts.execute(new FloatTimingTask(new TestFastLog(ff2), q, xf));
        // ts.execute(new DoubleTimingTask(new TestLog(fd), q, x));
        // ts.execute(new DoubleTimingTask(new TestFastLog(fd), q, x));
        final TurboLog tf = new TurboLog(n);
        ts.execute(new DoubleToFloatTimingTask(new TestLog(tf), q, x, xf));
        ts.execute(new DoubleToFloatTimingTask(new TestFastLog(tf), q, x, xf));
        ts.execute(new FloatTimingTask(new TestLog(tf), q, xf));
        ts.execute(new FloatTimingTask(new TestFastLog(tf), q, xf));
        ts.execute(new DoubleTimingTask(new TestLog(tf), q, x));
        ts.execute(new DoubleTimingTask(new TestFastLog(tf), q, x));
        final TurboLog2 tf2 = new TurboLog2(n);
        ts.execute(new DoubleToFloatTimingTask(new TestLog(tf2), q, x, xf));
        ts.execute(new DoubleToFloatTimingTask(new TestFastLog(tf2), q, x, xf));
        ts.execute(new FloatTimingTask(new TestLog(tf2), q, xf));
        ts.execute(new FloatTimingTask(new TestFastLog(tf2), q, xf));
        ts.execute(new DoubleTimingTask(new TestLog(tf2), q, x));
        ts.execute(new DoubleTimingTask(new TestFastLog(tf2), q, x));
        // Slower as the look-up table is bigger
        final FFastLog f1 = new FFastLog(n);
        final DFastLog f2 = new DFastLog(n);
        ts.execute(new FloatTimingTask(new TestLog(f1), q, xf));
        ts.execute(new FloatTimingTask(new TestFastLog(f1), q, xf));
        ts.execute(new DoubleTimingTask(new TestLog(f2), q, x));
        ts.execute(new DoubleTimingTask(new TestFastLog(f2), q, x));
    }
    final int size = ts.getSize();
    ts.repeat(size);
    logger.info(ts.getReport(size));
}

Example 19 with TimingService

use of uk.ac.sussex.gdsc.test.utils.TimingService in project GDSC-SMLM by aherbert.

the class FastLogTest method canTestDoubleSpeed.

@SpeedTag
@SeededTest
void canTestDoubleSpeed(RandomSeed seed) {
    // No assertions, this is just a report
    Assumptions.assumeTrue(logger.isLoggable(Level.INFO));
    Assumptions.assumeTrue(TestSettings.allow(TestComplexity.MEDIUM));
    final UniformRandomProvider rng = RngUtils.create(seed.getSeed());
    final double[] values = new double[1000000];
    for (int i = 0; i < values.length; i++) {
        values[i] = nextUniformDouble(rng);
    }
    final TimingService ts = new TimingService(5);
    ts.execute(new DoubleTimingTask(new TestLog(new MathLog()), 0, values));
    ts.execute(new DoubleTimingTask(new TestLog(new FastMathLog()), 0, values));
    // ts.execute(new DoubleTimingTask(new TestFastLog(tf3), 15, x));
    for (final int q : new int[] { 11 }) {
        final int n = 23 - q;
        final IcsiFastLog fl = IcsiFastLog.create(n, DataType.DOUBLE);
        ts.execute(new DoubleTimingTask(new TestLog(fl), q, values));
        ts.execute(new DoubleTimingTask(new TestFastLog(fl), q, values));
        final DFastLog df = new DFastLog(n);
        // ts.execute(new DoubleTimingTask(new DFastLog_log2(fl), q, x));
        // ts.execute(new DoubleTimingTask(new DTestFastLog2(fl), q, x));
        ts.execute(new DoubleTimingTask(new TestLog(df), q, values));
        ts.execute(new DoubleTimingTask(new TestFastLog(df), q, values));
        final TurboLog tf = new TurboLog(n);
        ts.execute(new DoubleTimingTask(new TestLog(tf), q, values));
        ts.execute(new DoubleTimingTask(new TestFastLog(tf), q, values));
        // Test same precision
        final TurboLog2 tf2 = new TurboLog2(n - 1);
        ts.execute(new DoubleTimingTask(new TestLog(tf2), q + 1, values));
        ts.execute(new DoubleTimingTask(new TestFastLog(tf2), q + 1, values));
    // // Min acceptable precision. This is usually the same speed
    // // showing the precomputed table is optimally used for moderate n.
    // ts.execute(new DoubleTimingTask(new TestLog(tf3), 15, x));
    // ts.execute(new DoubleTimingTask(new TestFastLog(tf3), 15, x));
    }
    final int size = ts.getSize();
    ts.repeat(size);
    logger.info(ts.getReport(size));
}

Example 20 with TimingService

use of uk.ac.sussex.gdsc.test.utils.TimingService in project GDSC-SMLM by aherbert.

the class PoissonCalculatorTest method instanceMethodIsFaster.

@SpeedTag
@Test
void instanceMethodIsFaster() {
    Assumptions.assumeTrue(TestSettings.allow(TestComplexity.MEDIUM));
    final int n = 1000;
    final int m = 10;
    final double[] x = new double[n * m];
    final double[] u = new double[x.length];
    for (int i = 1, k = 0; i <= n; i++) {
        final double testx = 0.1 * i;
        // +/- 3SD of the expected
        final double sd = 3 * Math.sqrt(testx);
        final double min = Math.max(0.1, testx - sd);
        final double max = testx + sd;
        final double inc = (max - min) / (m - 1);
        for (int j = 0; j < m; j++, k++) {
            x[k] = testx;
            u[k] = min + j * inc;
        }
    }
    final double[] limits = MathUtils.limits(x);
    logger.log(TestLogUtils.getRecord(LOG_LEVEL, "Speed test x-range: %f - %f", limits[0], limits[1]));
    final TimingService ts = new TimingService(5);
    final int[] loops = new int[] { 0, 1, 10 };
    for (final int ll : loops) {
        for (final int llr : loops) {
            if (ll + llr == 0) {
                continue;
            }
            ts.execute(new StaticPcTimingTask(x, u, ll, llr));
            ts.execute(new FastPcTimingTask(x, u, ll, llr));
            ts.execute(new FastLogPcTimingTask(x, u, ll, llr));
            ts.execute(new InstancePcTimingTask(x, u, ll, llr));
        }
    }
    final int size = ts.getSize();
    ts.repeat(size);
    if (logger.isLoggable(LOG_LEVEL)) {
        logger.info(ts.getReport(size));
    }
    final int index = ts.getSize() - 1;
    Assertions.assertTrue(ts.get(index).getMean() < ts.get(index - 1).getMean());
}