StrictMathBenchmark.java example

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android-sdk-sources-for-api-level-23-master
/*
 * Copyright (C) 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package benchmarks.regression;

import com.google.caliper.Param;
import com.google.caliper.Runner;
import com.google.caliper.SimpleBenchmark;

/**
 * Many of these tests are bogus in that the cost will vary wildly depending on inputs.
 * For _my_ current purposes, that's okay. But beware!
 */
public class StrictMathBenchmark extends SimpleBenchmark {
    private final double d = 1.2;
    private final float f = 1.2f;
    private final int i = 1;
    private final long l = 1L;

    public void timeAbsD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.abs(d);
        }
    }

    public void timeAbsF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.abs(f);
        }
    }

    public void timeAbsI(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.abs(i);
        }
    }

    public void timeAbsL(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.abs(l);
        }
    }

    public void timeAcos(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.acos(d);
        }
    }

    public void timeAsin(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.asin(d);
        }
    }

    public void timeAtan(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.atan(d);
        }
    }

    public void timeAtan2(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.atan2(3, 4);
        }
    }

    public void timeCbrt(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.cbrt(d);
        }
    }

    public void timeCeil(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.ceil(d);
        }
    }

    public void timeCopySignD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.copySign(d, d);
        }
    }

    public void timeCopySignF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.copySign(f, f);
        }
    }

    public void timeCos(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.cos(d);
        }
    }

    public void timeCosh(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.cosh(d);
        }
    }

    public void timeExp(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.exp(d);
        }
    }

    public void timeExpm1(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.expm1(d);
        }
    }

    public void timeFloor(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.floor(d);
        }
    }

    public void timeGetExponentD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.getExponent(d);
        }
    }

    public void timeGetExponentF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.getExponent(f);
        }
    }

    public void timeHypot(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.hypot(d, d);
        }
    }

    public void timeIEEEremainder(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.IEEEremainder(d, d);
        }
    }

    public void timeLog(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.log(d);
        }
    }

    public void timeLog10(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.log10(d);
        }
    }

    public void timeLog1p(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.log1p(d);
        }
    }

    public void timeMaxD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.max(d, d);
        }
    }

    public void timeMaxF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.max(f, f);
        }
    }

    public void timeMaxI(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.max(i, i);
        }
    }

    public void timeMaxL(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.max(l, l);
        }
    }

    public void timeMinD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.min(d, d);
        }
    }

    public void timeMinF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.min(f, f);
        }
    }

    public void timeMinI(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.min(i, i);
        }
    }

    public void timeMinL(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.min(l, l);
        }
    }

    public void timeNextAfterD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.nextAfter(d, d);
        }
    }

    public void timeNextAfterF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.nextAfter(f, f);
        }
    }

    public void timeNextUpD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.nextUp(d);
        }
    }

    public void timeNextUpF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.nextUp(f);
        }
    }

    public void timePow(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.pow(d, d);
        }
    }

    public void timeRandom(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.random();
        }
    }

    public void timeRint(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.rint(d);
        }
    }

    public void timeRoundD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.round(d);
        }
    }

    public void timeRoundF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.round(f);
        }
    }

    public void timeScalbD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.scalb(d, 5);
        }
    }

    public void timeScalbF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.scalb(f, 5);
        }
    }

    public void timeSignumD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.signum(d);
        }
    }

    public void timeSignumF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.signum(f);
        }
    }

    public void timeSin(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.sin(d);
        }
    }

    public void timeSinh(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.sinh(d);
        }
    }

    public void timeSqrt(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.sqrt(d);
        }
    }

    public void timeTan(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.tan(d);
        }
    }

    public void timeTanh(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.tanh(d);
        }
    }

    public void timeToDegrees(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.toDegrees(d);
        }
    }

    public void timeToRadians(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.toRadians(d);
        }
    }

    public void timeUlpD(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.ulp(d);
        }
    }

    public void timeUlpF(int reps) {
        for (int rep = 0; rep < reps; ++rep) {
            StrictMath.ulp(f);
        }
    }
}