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Diffstat (limited to 'benchmarks/regression/MathBenchmark.java')
| -rw-r--r-- | benchmarks/regression/MathBenchmark.java | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/benchmarks/regression/MathBenchmark.java b/benchmarks/regression/MathBenchmark.java new file mode 100644 index 0000000..25a871d --- /dev/null +++ b/benchmarks/regression/MathBenchmark.java @@ -0,0 +1,368 @@ +/* + * 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 MathBenchmark 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) { + Math.abs(d); + } + } + + public void timeAbsF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.abs(f); + } + } + + public void timeAbsI(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.abs(i); + } + } + + public void timeAbsL(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.abs(l); + } + } + + public void timeAcos(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.acos(d); + } + } + + public void timeAsin(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.asin(d); + } + } + + public void timeAtan(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.atan(d); + } + } + + public void timeAtan2(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.atan2(3, 4); + } + } + + public void timeCbrt(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.cbrt(d); + } + } + + public void timeCeil(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.ceil(d); + } + } + + public void timeCopySignD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.copySign(d, d); + } + } + + public void timeCopySignF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.copySign(f, f); + } + } + + public void timeCopySignD_strict(int reps) { + for (int rep = 0; rep < reps; ++rep) { + StrictMath.copySign(d, d); + } + } + + public void timeCopySignF_strict(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) { + Math.cos(d); + } + } + + public void timeCosh(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.cosh(d); + } + } + + public void timeExp(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.exp(d); + } + } + + public void timeExpm1(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.expm1(d); + } + } + + public void timeFloor(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.floor(d); + } + } + + public void timeGetExponentD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.getExponent(d); + } + } + + public void timeGetExponentF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.getExponent(f); + } + } + + public void timeHypot(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.hypot(d, d); + } + } + + public void timeIEEEremainder(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.IEEEremainder(d, d); + } + } + + public void timeLog(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.log(d); + } + } + + public void timeLog10(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.log10(d); + } + } + + public void timeLog1p(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.log1p(d); + } + } + + public void timeMaxD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.max(d, d); + } + } + + public void timeMaxF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.max(f, f); + } + } + + public void timeMaxI(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.max(i, i); + } + } + + public void timeMaxL(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.max(l, l); + } + } + + public void timeMinD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.min(d, d); + } + } + + public void timeMinF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.min(f, f); + } + } + + public void timeMinI(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.min(i, i); + } + } + + public void timeMinL(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.min(l, l); + } + } + + public void timeNextAfterD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.nextAfter(d, d); + } + } + + public void timeNextAfterF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.nextAfter(f, f); + } + } + + public void timeNextUpD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.nextUp(d); + } + } + + public void timeNextUpF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.nextUp(f); + } + } + + public void timePow(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.pow(d, d); + } + } + + public void timeRandom(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.random(); + } + } + + public void timeRint(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.rint(d); + } + } + + public void timeRoundD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.round(d); + } + } + + public void timeRoundF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.round(f); + } + } + + public void timeScalbD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.scalb(d, 5); + } + } + + public void timeScalbF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.scalb(f, 5); + } + } + + public void timeSignumD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.signum(d); + } + } + + public void timeSignumF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.signum(f); + } + } + + public void timeSin(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.sin(d); + } + } + + public void timeSinh(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.sinh(d); + } + } + + public void timeSqrt(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.sqrt(d); + } + } + + public void timeTan(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.tan(d); + } + } + + public void timeTanh(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.tanh(d); + } + } + + public void timeToDegrees(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.toDegrees(d); + } + } + + public void timeToRadians(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.toRadians(d); + } + } + + public void timeUlpD(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.ulp(d); + } + } + + public void timeUlpF(int reps) { + for (int rep = 0; rep < reps; ++rep) { + Math.ulp(f); + } + } +} |