Examples with FunctionTimer maspack.util.FunctionTimer used on opensource projects

Example 6 with FunctionTimer

use of maspack.util.FunctionTimer in project artisynth_core by artisynth.

the class Matrix3dTest method timing.

public void timing() {
    int nsamps = 100000;
    RandomGenerator.setSeed(0x1234);
    FunctionTimer timer = new FunctionTimer();
    Matrix3d[] MR = new Matrix3d[nsamps];
    Matrix3d[] M1 = new Matrix3d[nsamps];
    Matrix3d[] M2 = new Matrix3d[nsamps];
    Vector3d[] vr = new Vector3d[nsamps];
    Vector3d[] v1 = new Vector3d[nsamps];
    for (int i = 0; i < nsamps; i++) {
        MR[i] = new Matrix3d();
        M1[i] = new Matrix3d();
        M1[i].setRandom();
        M2[i] = new Matrix3d();
        M2[i].setRandom();
        vr[i] = new Vector3d();
        v1[i] = new Vector3d();
        v1[i].setRandom();
    }
    int cnt = 1000;
    for (int k = 0; k < cnt; k++) {
        for (int i = 0; i < nsamps; i++) {
            MR[i].mul(M1[i], M2[i]);
            MR[i].mul(vr[i], v1[i]);
            MR[i].solve(vr[i], v1[i]);
            MR[i].mulInverse(vr[i], v1[i]);
        }
    }
    timer.start();
    for (int k = 0; k < cnt; k++) {
        for (int i = 0; i < nsamps; i++) {
            MR[i].mul(M1[i], M2[i]);
        }
    }
    timer.stop();
    System.out.println("matrix mul: " + timer.result(cnt * nsamps));
    timer.start();
    for (int k = 0; k < cnt; k++) {
        for (int i = 0; i < nsamps; i++) {
            MR[i].mul(vr[i], v1[i]);
        }
    }
    timer.stop();
    System.out.println("vector mul: " + timer.result(cnt * nsamps));
    timer.start();
    for (int k = 0; k < cnt; k++) {
        for (int i = 0; i < nsamps; i++) {
            MR[i].solve(vr[i], v1[i]);
        }
    }
    timer.stop();
    System.out.println("vector solve: " + timer.result(cnt * nsamps));
    timer.start();
    for (int k = 0; k < cnt; k++) {
        for (int i = 0; i < nsamps; i++) {
            MR[i].mulInverse(vr[i], v1[i]);
        }
    }
    timer.stop();
    System.out.println("vector mulInverse: " + timer.result(cnt * nsamps));
}

Example 7 with FunctionTimer

use of maspack.util.FunctionTimer in project artisynth_core by artisynth.

the class QRDecompositionTest method timingTests.

private void timingTests() {
    int baseTimingCnt = 100000;
    int numTrials = 10;
    int[] matsizes = new int[] { 4, 8, 16, 32, 4, 8, 16, 32, 64 };
    NumberFormat ifmt = new NumberFormat("%3d");
    NumberFormat ffmt = new NumberFormat("%7.2f");
    System.out.println("matsize    time");
    for (int k = 0; k < matsizes.length; k++) {
        int n = matsizes[k];
        int timingCnt = baseTimingCnt / (n * n);
        MatrixNd M = new MatrixNd(n, n);
        QRDecomposition qr = new QRDecomposition();
        FunctionTimer timer = new FunctionTimer();
        double qrdTime = 0;
        for (int cnt = 0; cnt < numTrials; cnt++) {
            M.setRandom();
            timer.start();
            for (int i = 0; i < timingCnt; i++) {
                qr.factor(M);
            }
            timer.stop();
            qrdTime += timer.getTimeUsec() / timingCnt;
        }
        qrdTime /= numTrials;
        System.out.println("  " + ifmt.format(n) + "    " + ffmt.format(qrdTime));
    }
}

Example 8 with FunctionTimer

use of maspack.util.FunctionTimer in project artisynth_core by artisynth.

the class SVDecomposition3dTest method checkTiming.

public void checkTiming(int nrand) {
    Matrix3d M1 = new Matrix3d();
    M1.setRandom();
    Matrix3d U = new Matrix3d();
    Matrix3d V = new Matrix3d();
    Vector3d s = new Vector3d();
    SVDecomposition3d svd = new SVDecomposition3d();
    int cnt = 20000;
    FunctionTimer timer = new FunctionTimer();
    for (int k = 0; k < nrand; k++) {
        M1.setRandom();
        timer.restart();
        for (int i = 0; i < cnt; i++) {
            svd.factor(M1);
        }
        timer.stop();
    }
    System.out.println(timer.result(cnt * nrand));
}

Example 9 with FunctionTimer

use of maspack.util.FunctionTimer in project artisynth_core by artisynth.

the class Vector3d method main.

public static void main(String[] args) {
    FunctionTimer timer = new FunctionTimer();
    Vector3d v1 = new Vector3d();
    Vector3d v2 = new Vector3d();
    Vector3d vr = new Vector3d();
    v1.setRandom();
    v2.setRandom();
    int cnt = 10000000;
    for (int i = 0; i < cnt; i++) {
        vr.sub(v1, v2);
        vr.add(v1, v2);
        v1.dot(v2);
    }
    timer.start();
    for (int i = 0; i < cnt; i++) {
        vr.sub(v1, v2);
    }
    timer.stop();
    System.out.println("Vector3d.sub: " + timer.result(cnt));
    timer.start();
    for (int i = 0; i < cnt; i++) {
        vr.add(v1, v2);
    }
    timer.stop();
    System.out.println("Vector3d.add: " + timer.result(cnt));
    timer.start();
    for (int i = 0; i < cnt; i++) {
        v1.dot(v2);
    }
    timer.stop();
    System.out.println("Vector3d.dot: " + timer.result(cnt));
    timer.start();
    for (int i = 0; i < cnt; i++) {
        vr.scale(1 / .33, v1);
    }
    timer.stop();
    System.out.println("Vector3d.scale: " + timer.result(cnt));
// timer.start();
// for (int i = 0; i < cnt; i++) {
// vr.divide (.33, v1);
// }
// timer.stop();
// System.out.println ("Vector3d.divide: " + timer.result (cnt));
}

Example 10 with FunctionTimer

use of maspack.util.FunctionTimer in project artisynth_core by artisynth.

the class SparseTiming method main.

public static void main(String[] args) {
    int loopCnt;
    FunctionTimer timer = new FunctionTimer();
    for (int size = 50; size <= 200; size += 50) {
        System.out.println("size: " + size);
        MatrixNd MR = new MatrixNd(size, size);
        MatrixNd M1 = new MatrixNd(size, size);
        MatrixNd M2 = new MatrixNd(size, size);
        VectorNd v1 = new VectorNd(size);
        VectorNd vr = new VectorNd(size);
        SparseMatrixNd SR = new SparseMatrixNd(size, size);
        SparseMatrixNd S1 = new SparseMatrixNd(size, size);
        SparseMatrixNd S2 = new SparseMatrixNd(size, size);
        loopCnt = 10;
        S1.setRandom();
        S2.setRandom();
        M1.set(S1);
        M2.set(S2);
        v1.setRandom();
        timer.start();
        for (int i = 0; i < loopCnt; i++) {
            MR.mul(M1, M2);
        }
        timer.stop();
        System.out.println("dense matrix multiply: " + timer.result(loopCnt));
        timer.start();
        for (int i = 0; i < loopCnt; i++) {
            SR.mul(S1, S2);
        }
        timer.stop();
        System.out.println("sparse matrix multiply: " + timer.result(loopCnt));
        loopCnt *= size;
        timer.start();
        for (int i = 0; i < loopCnt; i++) {
            vr.mul(MR, v1);
        }
        timer.stop();
        System.out.println("dense vector multiply: " + timer.result(loopCnt));
        timer.start();
        for (int i = 0; i < loopCnt; i++) {
            vr.mul(SR, v1);
        }
        timer.stop();
        System.out.println("sparse vector multiply: " + timer.result(loopCnt));
        if (!MR.epsilonEquals(SR, 1e-9)) {
            System.out.println("results not equal");
        }
    }
}