| /* |
| * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package org.openjdk.bench.java.lang; |
| |
| import java.util.concurrent.TimeUnit; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.CompilerControl; |
| import org.openjdk.jmh.annotations.Fork; |
| import org.openjdk.jmh.annotations.Measurement; |
| import org.openjdk.jmh.annotations.Mode; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| import org.openjdk.jmh.annotations.Param; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| import org.openjdk.jmh.annotations.Threads; |
| import org.openjdk.jmh.annotations.Warmup; |
| |
| import java.util.Random; |
| import java.util.concurrent.TimeUnit; |
| |
| @Warmup(iterations = 3, time = 5, timeUnit = TimeUnit.SECONDS) |
| @Measurement(iterations = 4, time = 5, timeUnit = TimeUnit.SECONDS) |
| @Fork(2) |
| @OutputTimeUnit(TimeUnit.MILLISECONDS) |
| @BenchmarkMode(Mode.Throughput) |
| @State(Scope.Thread) |
| public class MathBench { |
| |
| @Param("0") |
| public long seed; |
| |
| public int dividend; |
| public int divisor; |
| |
| public long longDividend; |
| public long longDivisor; |
| |
| public int int1 = 1, int2 = 2, int42 = 42, int5 = 5; |
| public long long1 = 1L, long2 = 2L, long747 = 747L, long13 = 13L; |
| public float float1 = 1.0f, float2 = 2.0f, floatNegative99 = -99.0f, float7 = 7.0f, eFloat = 2.718f; |
| public double double1 = 1.0d, double2 = 2.0d, double81 = 81.0d, doubleNegative12 = -12.0d, double4Dot1 = 4.1d; |
| |
| @Setup |
| public void setupValues() { |
| Random random = new Random(seed); |
| dividend = Math.abs(random.nextInt() + 4711); |
| divisor = Math.abs(random.nextInt(dividend) + 17); |
| longDividend = Math.abs(random.nextLong() + 4711L); |
| longDivisor = Math.abs(random.nextLong() + longDividend); |
| } |
| |
| @Benchmark |
| public double absDouble() { |
| return Math.abs(doubleNegative12); |
| } |
| |
| @Benchmark |
| public float absFloat() { |
| return Math.abs(floatNegative99); |
| } |
| |
| @Benchmark |
| public int absExactInt() { |
| return Math.absExact(int2); |
| } |
| |
| @Benchmark |
| public long absExactLong() { |
| return Math.absExact(long2); |
| } |
| |
| @Benchmark |
| public int absInt() { |
| return Math.abs(int42); |
| } |
| |
| @Benchmark |
| public long absLong() { |
| return Math.abs(long13); |
| } |
| |
| @Benchmark |
| public double acosDouble() { |
| return Math.acos(double1); |
| } |
| |
| @Benchmark |
| public int addExactInt() { |
| return Math.addExact(int42, int5); |
| } |
| |
| @Benchmark |
| public long addExactLong() { |
| return Math.addExact(long2, long13); |
| } |
| |
| @Benchmark |
| public double asinDouble() { |
| return Math.asin(double1); |
| } |
| |
| @Benchmark |
| public double atanDouble() { |
| return Math.atan(double1); |
| } |
| |
| @Benchmark |
| public double atan2Double() { |
| return Math.atan2(double1, double2); |
| } |
| |
| @Benchmark |
| public double cbrt() { |
| return Math.cbrt(double81); |
| } |
| |
| @Benchmark |
| public double ceilDouble() { |
| return Math.ceil(double4Dot1); |
| } |
| |
| @Benchmark |
| public double copySignDouble() { |
| return Math.copySign(double81, doubleNegative12); |
| } |
| |
| @Benchmark |
| public float copySignFloat() { |
| return Math.copySign(floatNegative99, float1); |
| } |
| |
| @Benchmark |
| public double cosDouble() { |
| return Math.cos(double1); |
| } |
| |
| @Benchmark |
| public double coshDouble() { |
| return Math.cosh(double2); |
| } |
| |
| @Benchmark |
| public int decrementExactInt() { |
| return Math.decrementExact(int42); |
| } |
| |
| @Benchmark |
| public long decrementExactLong() { |
| return Math.decrementExact(long747); |
| } |
| |
| @Benchmark |
| public double expDouble() { |
| return Math.exp(double4Dot1); |
| } |
| |
| @Benchmark |
| public double expm1() { |
| return Math.expm1(doubleNegative12); |
| } |
| |
| @Benchmark |
| public double floorDouble() { |
| return Math.floor(doubleNegative12); |
| } |
| |
| @Benchmark |
| public int floorDivIntInt() { |
| return Math.floorDiv(int42, int5); |
| } |
| |
| @Benchmark |
| public long floorDivLongInt() { |
| return Math.floorDiv(long747, int42); |
| } |
| |
| @Benchmark |
| public long floorDivLongLong() { |
| return Math.floorDiv(long747, long13); |
| } |
| |
| @Benchmark |
| public int floorModIntInt() { |
| return Math.floorMod(int42, int5); |
| } |
| |
| @Benchmark |
| @CompilerControl(CompilerControl.Mode.DONT_INLINE) |
| public int floorModIntIntMultiple() { |
| return Math.floorMod( dividend, divisor) + |
| Math.floorMod( dividend, -divisor) + |
| Math.floorMod(-dividend, divisor) + |
| Math.floorMod(-dividend, -divisor); |
| } |
| |
| @Benchmark |
| public int floorModLongInt() { |
| return Math.floorMod(long747, int5); |
| } |
| |
| @Benchmark |
| @CompilerControl(CompilerControl.Mode.DONT_INLINE) |
| public int floorModLongIntMultiple() { |
| return Math.floorMod( longDividend, divisor) + |
| Math.floorMod( longDividend, -divisor) + |
| Math.floorMod(-longDividend, divisor) + |
| Math.floorMod(-longDividend, -divisor); |
| } |
| |
| @Benchmark |
| public long floorModLongLong() { |
| return Math.floorMod(long747, long13); |
| } |
| |
| @Benchmark |
| @CompilerControl(CompilerControl.Mode.DONT_INLINE) |
| public long floorModLongLongMultiple() { |
| return Math.floorMod( longDividend, longDivisor) + |
| Math.floorMod( longDividend, -longDivisor) + |
| Math.floorMod(-longDividend, longDivisor) + |
| Math.floorMod(-longDividend, -longDivisor); |
| } |
| |
| @Benchmark |
| public double fmaDouble() { |
| return Math.fma(double2, double81, double4Dot1); |
| } |
| |
| @Benchmark |
| public float fmaFloat() { |
| return Math.fma(float2, floatNegative99, float7); |
| } |
| |
| @Benchmark |
| public int getExponentDouble() { |
| return Math.getExponent(double81); |
| } |
| |
| @Benchmark |
| public int getExponentFloat() { |
| return Math.getExponent(float7); |
| } |
| |
| @Benchmark |
| public double hypotDouble() { |
| return Math.hypot(double2, double4Dot1); |
| } |
| |
| @Benchmark |
| public double IEEERemainderDouble() { |
| return Math.IEEEremainder(double81, double4Dot1); |
| } |
| |
| @Benchmark |
| public int incrementExactInt() { |
| return Math.incrementExact(int42); |
| } |
| |
| @Benchmark |
| public long incrementExactLong() { |
| return Math.incrementExact(long747); |
| } |
| |
| @Benchmark |
| public double logDouble() { |
| return Math.log(double81); |
| } |
| |
| @Benchmark |
| public double log10Double() { |
| return Math.log10(double81); |
| } |
| |
| @Benchmark |
| public double log1pDouble() { |
| return Math.log1p(double81); |
| } |
| |
| @Benchmark |
| public int maxInt() { |
| return Math.max(int1, int2); |
| } |
| |
| @Benchmark |
| public long maxLong() { |
| return Math.max(long1, long2); |
| } |
| |
| @Benchmark |
| public float maxFloat() { |
| return Math.max(float1, float2); |
| } |
| |
| @Benchmark |
| public double maxDouble() { |
| return Math.max(double1, doubleNegative12); |
| } |
| |
| @Benchmark |
| public int minInt() { |
| return Math.min(int1, int2); |
| } |
| |
| @Benchmark |
| public long minLong() { |
| return Math.min(long1, long2); |
| } |
| |
| @Benchmark |
| public float minFloat() { |
| return Math.min(float1, floatNegative99); |
| } |
| |
| @Benchmark |
| public double minDouble() { |
| return Math.min(double4Dot1, double2); |
| } |
| |
| @Benchmark |
| public int multiplyExactInt() { |
| return Math.multiplyExact(int42, int5); |
| } |
| |
| @Benchmark |
| public long multiplyExactLongInt() { |
| return Math.multiplyExact(long747, int42); |
| } |
| |
| @Benchmark |
| public long multiplyExactLongLong() { |
| return Math.multiplyExact(long747, long13); |
| } |
| |
| @Benchmark |
| public long multiplyFullIntInt() { |
| return Math.multiplyFull(int42, int5); |
| } |
| |
| @Benchmark |
| public long multiplyHighLongLog() { |
| return Math.multiplyHigh(long747, long13); |
| } |
| |
| @Benchmark |
| public int negateExactInt() { |
| return Math.negateExact(int42); |
| } |
| |
| @Benchmark |
| public long negateExactLong() { |
| return Math.negateExact(long747); |
| } |
| |
| @Benchmark |
| public double nextAfterDoubleDouble() { |
| return Math.nextAfter(double81, double4Dot1); |
| } |
| |
| @Benchmark |
| public float nextAfterFloatDouble() { |
| return Math.nextAfter(float7, doubleNegative12); |
| } |
| |
| @Benchmark |
| public double nextDownDouble() { |
| return Math.nextDown(float7); |
| } |
| |
| @Benchmark |
| public float nextDownFloat() { |
| return Math.nextDown(floatNegative99); |
| } |
| |
| @Benchmark |
| public double nextUpDouble() { |
| return Math.nextUp(double81); |
| } |
| |
| @Benchmark |
| public float nextUpFloat() { |
| return Math.nextUp(float7); |
| } |
| |
| @Benchmark |
| public double powDouble() { |
| return Math.pow(double4Dot1, double2); |
| } |
| |
| @Benchmark |
| public double random() { |
| return Math.random(); |
| } |
| |
| @Benchmark |
| public double rintDouble() { |
| return Math.rint(double4Dot1); |
| } |
| |
| @Benchmark |
| public long roundDouble() { |
| return Math.round( Math.PI); |
| } |
| |
| @Benchmark |
| public int roundFloat() { |
| return Math.round(eFloat); |
| } |
| |
| @Benchmark |
| public double scalbDoubleInt() { |
| return Math.scalb(double81, int2); |
| } |
| |
| @Benchmark |
| public float scalbFloatInt() { |
| return Math.scalb(float7, int2); |
| } |
| |
| @Benchmark |
| public double sigNumDouble() { |
| return Math.signum(double4Dot1); |
| } |
| |
| @Benchmark |
| public double signumFloat() { |
| return Math.signum(floatNegative99); |
| } |
| |
| @Benchmark |
| public double sinDouble() { |
| return Math.sin(double1); |
| } |
| |
| @Benchmark |
| public double sinhDouble() { |
| return Math.sinh(double4Dot1); |
| } |
| |
| @Benchmark |
| public double sqrtDouble() { |
| return Math.sqrt(double4Dot1); |
| } |
| |
| @Benchmark |
| public double subtractExactIntInt() { |
| return Math.subtractExact(int42,int5); |
| } |
| |
| @Benchmark |
| public double subtractExactLongLong() { |
| return Math.subtractExact(long747,long13); |
| } |
| |
| @Benchmark |
| public double tanDouble() { |
| return Math.tan(double1); |
| } |
| |
| @Benchmark |
| public double tanhDouble() { |
| return Math.tanh(double1); |
| } |
| |
| @Benchmark |
| public double toDegreesDouble() { |
| return Math.toDegrees(double81); |
| } |
| |
| @Benchmark |
| public double toIntExactLong() { |
| return Math.toIntExact(long747); |
| } |
| |
| @Benchmark |
| public double toRadiansDouble() { |
| return Math.toRadians(double81); |
| } |
| |
| @Benchmark |
| public double ulpDouble() { |
| return Math.ulp(double4Dot1); |
| } |
| |
| @Benchmark |
| public double ulpFloat() { |
| return Math.ulp(float7); |
| } |
| |
| } |