| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * 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 android.libcore.regression; |
| |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.test.suitebuilder.annotation.LargeTest; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| /** |
| * 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! |
| */ |
| @RunWith(AndroidJUnit4.class) |
| @LargeTest |
| public class MathPerfTest { |
| @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| private final double mDouble = 1.2; |
| private final float mFloat = 1.2f; |
| private final int mInt = 1; |
| private final long mLong = 1L; |
| |
| // NOTE: To avoid the benchmarked function from being optimized away, we store the result |
| // and use it as the benchmark's return value. This is good enough for now but may not be in |
| // the future, a smart compiler could determine that the result value will depend on whether |
| // we get into the loop or not and turn the whole loop into an if statement. |
| |
| @Test |
| public void timeAbsD() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.abs(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeAbsF() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.abs(mFloat); |
| } |
| } |
| |
| @Test |
| public void timeAbsI() { |
| int result = mInt; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.abs(mInt); |
| } |
| } |
| |
| @Test |
| public void timeAbsL() { |
| long result = mLong; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.abs(mLong); |
| } |
| } |
| |
| @Test |
| public void timeAcos() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.acos(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeAsin() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.asin(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeAtan() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.atan(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeAtan2() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.atan2(3, 4); |
| } |
| } |
| |
| @Test |
| public void timeCbrt() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.cbrt(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeCeil() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.ceil(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeCopySignD() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.copySign(mDouble, mDouble); |
| } |
| } |
| |
| @Test |
| public void timeCopySignF() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.copySign(mFloat, mFloat); |
| } |
| } |
| |
| @Test |
| public void timeCopySignD_strict() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = StrictMath.copySign(mDouble, mDouble); |
| } |
| } |
| |
| @Test |
| public void timeCopySignF_strict() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = StrictMath.copySign(mFloat, mFloat); |
| } |
| } |
| |
| @Test |
| public void timeCos() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.cos(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeCosh() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.cosh(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeExp() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.exp(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeExpm1() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.expm1(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeFloor() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.floor(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeGetExponentD() { |
| int result = mInt; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.getExponent(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeGetExponentF() { |
| int result = mInt; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.getExponent(mFloat); |
| } |
| } |
| |
| @Test |
| public void timeHypot() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.hypot(mDouble, mDouble); |
| } |
| } |
| |
| @Test |
| public void timeIEEEremainder() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.IEEEremainder(mDouble, mDouble); |
| } |
| } |
| |
| @Test |
| public void timeLog() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.log(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeLog10() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.log10(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeLog1p() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.log1p(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeMaxD() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.max(mDouble, mDouble); |
| } |
| } |
| |
| @Test |
| public void timeMaxF() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.max(mFloat, mFloat); |
| } |
| } |
| |
| @Test |
| public void timeMaxI() { |
| int result = mInt; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.max(mInt, mInt); |
| } |
| } |
| |
| @Test |
| public void timeMaxL() { |
| long result = mLong; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.max(mLong, mLong); |
| } |
| } |
| |
| @Test |
| public void timeMinD() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.min(mDouble, mDouble); |
| } |
| } |
| |
| @Test |
| public void timeMinF() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.min(mFloat, mFloat); |
| } |
| } |
| |
| @Test |
| public void timeMinI() { |
| int result = mInt; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.min(mInt, mInt); |
| } |
| } |
| |
| @Test |
| public void timeMinL() { |
| long result = mLong; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.min(mLong, mLong); |
| } |
| } |
| |
| @Test |
| public void timeNextAfterD() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.nextAfter(mDouble, mDouble); |
| } |
| } |
| |
| @Test |
| public void timeNextAfterF() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.nextAfter(mFloat, mFloat); |
| } |
| } |
| |
| @Test |
| public void timeNextUpD() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.nextUp(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeNextUpF() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.nextUp(mFloat); |
| } |
| } |
| |
| @Test |
| public void timePow() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.pow(mDouble, mDouble); |
| } |
| } |
| |
| @Test |
| public void timeRandom() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.random(); |
| } |
| } |
| |
| @Test |
| public void timeRint() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.rint(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeRoundD() { |
| long result = mLong; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.round(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeRoundF() { |
| int result = mInt; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.round(mFloat); |
| } |
| } |
| |
| @Test |
| public void timeScalbD() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.scalb(mDouble, 5); |
| } |
| } |
| |
| @Test |
| public void timeScalbF() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.scalb(mFloat, 5); |
| } |
| } |
| |
| @Test |
| public void timeSignumD() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.signum(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeSignumF() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.signum(mFloat); |
| } |
| } |
| |
| @Test |
| public void timeSin() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.sin(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeSinh() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.sinh(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeSqrt() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.sqrt(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeTan() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.tan(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeTanh() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.tanh(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeToDegrees() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.toDegrees(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeToRadians() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.toRadians(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeUlpD() { |
| double result = mDouble; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.ulp(mDouble); |
| } |
| } |
| |
| @Test |
| public void timeUlpF() { |
| float result = mFloat; |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| result = Math.ulp(mFloat); |
| } |
| } |
| } |