/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.commons.math4.userguide;
import org.apache.commons.math4.PerfTestUtils;
import org.apache.commons.math4.util.FastMath;
/**
* Performance benchmark for FastMath.
*
*/
public class FastMathTestPerformance {
private static final int RUNS = Integer.parseInt(System.getProperty("testRuns","10000000"));
private static final double F1 = 1d / RUNS;
// Header format
private static final String FMT_HDR = "%-13s %13s %13s %13s Runs=%d Java %s (%s) %s (%s)";
// Detail format
private static final String FMT_DTL = "%-13s %6d %6.1f %6d %6.4f %6d %6.4f";
public static void main(String[] args) {
System.out.println(String.format(FMT_HDR,
"Name","StrictMath","FastMath","Math",RUNS,
System.getProperty("java.version"),
System.getProperty("java.runtime.version","?"),
System.getProperty("java.vm.name"),
System.getProperty("java.vm.version")
));
testAbs();
testAcos();
testAsin();
testAtan();
testAtan2();
testCbrt();
testCos();
testCosh();
testExp();
testExpm1();
testHypot();
testLog();
testLog10();
testLog1p();
testPow();
testSin();
testSinh();
testSqrt();
testTan();
testTanh();
testIEEEremainder();
testSimpleBenchmark();
}
@SuppressWarnings("boxing")
private static void report(String name, long strictMathTime, long fastMathTime, long mathTime) {
long unitTime = strictMathTime;
System.out.println(String.format(FMT_DTL,
name,
strictMathTime / RUNS, (double) strictMathTime / unitTime,
fastMathTime / RUNS, (double) fastMathTime / unitTime,
mathTime / RUNS, (double) mathTime / unitTime
));
}
private static void assertTrue(boolean condition) {
if (!condition) {
System.err.println("assertion failed!");
System.exit(1);
}
}
private static void testLog() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.log(0.01 + i);
}
long strictMath = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.log(0.01 + i);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.log(0.01 + i);
}
long mathTime = System.nanoTime() - time;
report("log",strictMath,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testLog10() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.log10(0.01 + i);
}
long strictMath = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.log10(0.01 + i);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.log10(0.01 + i);
}
long mathTime = System.nanoTime() - time;
report("log10",strictMath,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testLog1p() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.log1p(-0.9 + i);
}
long strictMath = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.log1p(-0.9 + i);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.log1p(-0.9 + i);
}
long mathTime = System.nanoTime() - time;
report("log1p",strictMath,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testPow() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.pow(0.01 + i * F1, i * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.pow(0.01 + i * F1, i * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.pow(0.01 + i * F1, i * F1);
}
long mathTime = System.nanoTime() - time;
report("pow",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testExp() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.exp(100 * i * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.exp(100 * i * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.exp(100 * i * F1);
}
long mathTime = System.nanoTime() - time;
report("exp",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testSin() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.sin(100 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.sin(100 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.sin(100 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("sin",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testAsin() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.asin(0.999 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.asin(0.999 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.asin(0.999 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("asin",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testCos() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.cos(100 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.cos(100 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.cos(100 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("cos",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testAcos() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.acos(0.999 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.acos(0.999 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.acos(0.999 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("acos",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testTan() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.tan(100 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.tan(100 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.tan(100 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("tan",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testAtan() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.atan(100 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.atan(100 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.atan(100 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("atan",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testAtan2() {
double x = 0;
long time = System.nanoTime();
int max = (int) FastMath.floor(FastMath.sqrt(RUNS));
for (int i = 0; i < max; i++) {
for (int j = 0; j < max; j++) {
x += StrictMath.atan2((i - max/2) * (100.0 / max), (j - max/2) * (100.0 / max));
}
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < max; i++) {
for (int j = 0; j < max; j++) {
x += FastMath.atan2((i - max/2) * (100.0 / max), (j - max/2) * (100.0 / max));
}
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < max; i++) {
for (int j = 0; j < max; j++) {
x += Math.atan2((i - max/2) * (100.0 / max), (j - max/2) * (100.0 / max));
}
}
long mathTime = System.nanoTime() - time;
report("atan2",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testHypot() {
double x = 0;
long time = System.nanoTime();
int max = (int) FastMath.floor(FastMath.sqrt(RUNS));
for (int i = 0; i < max; i++) {
for (int j = 0; j < max; j++) {
x += StrictMath.atan2((i - max/2) * (100.0 / max), (j - max/2) * (100.0 / max));
}
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < max; i++) {
for (int j = 0; j < max; j++) {
x += FastMath.atan2((i - max/2) * (100.0 / max), (j - max/2) * (100.0 / max));
}
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < max; i++) {
for (int j = 0; j < max; j++) {
x += Math.atan2((i - max/2) * (100.0 / max), (j - max/2) * (100.0 / max));
}
}
long mathTime = System.nanoTime() - time;
report("hypot",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testIEEEremainder() {
double x = 0;
long time = System.nanoTime();
int max = (int) FastMath.floor(FastMath.sqrt(RUNS));
for (int i = 0; i < max; i++) {
for (int j = 0; j < max; j++) {
x += StrictMath.IEEEremainder((i - max/2) * (100.0 / max), (j + 1) * (100.0 / max));
}
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < max; i++) {
for (int j = 0; j < max; j++) {
x += FastMath.IEEEremainder((i - max/2) * (100.0 / max), (j + 1) * (100.0 / max));
}
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < max; i++) {
for (int j = 0; j < max; j++) {
x += Math.IEEEremainder((i - max/2) * (100.0 / max), (j + 1) * (100.0 / max));
}
}
long mathTime = System.nanoTime() - time;
report("IEEEremainder",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testCbrt() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.cbrt(100 * i * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.cbrt(100 * i * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.cbrt(100 * i * F1);
}
long mathTime = System.nanoTime() - time;
report("cbrt",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testSqrt() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.sqrt(100 * i * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.sqrt(100 * i * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.sqrt(100 * i * F1);
}
long mathTime = System.nanoTime() - time;
report("sqrt",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testCosh() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.cosh(100 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.cosh(100 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.cosh(100 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("cosh",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testSinh() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.sinh(100 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.sinh(100 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.sinh(100 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("sinh",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testTanh() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.tanh(100 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.tanh(100 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.tanh(100 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("tanh",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testExpm1() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.expm1(100 * (i - RUNS/2) * F1);
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.expm1(100 * (i - RUNS/2) * F1);
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.expm1(100 * (i - RUNS/2) * F1);
}
long mathTime = System.nanoTime() - time;
report("expm1",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
private static void testAbs() {
double x = 0;
long time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += StrictMath.abs(i * (1 - 0.5 * RUNS));
}
long strictTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += FastMath.abs(i * (1 - 0.5 * RUNS));
}
long fastTime = System.nanoTime() - time;
x = 0;
time = System.nanoTime();
for (int i = 0; i < RUNS; i++) {
x += Math.abs(i * (1 - 0.5 * RUNS));
}
long mathTime = System.nanoTime() - time;
report("abs",strictTime,fastTime,mathTime);
assertTrue(!Double.isNaN(x));
}
@SuppressWarnings("boxing")
private static void testSimpleBenchmark() {
final String SM = "StrictMath";
final String M = "Math";
final String FM = "FastMath";
final int maxWidth = 15;
final int numStat = 100;
final int numCall = RUNS / numStat;
final double x = Math.random();
final double y = Math.random();
PerfTestUtils.timeAndReport("log",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.log(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.log(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.log(x);
}
});
PerfTestUtils.timeAndReport("log10",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.log10(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.log10(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.log10(x);
}
});
PerfTestUtils.timeAndReport("log1p",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.log1p(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.log1p(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.log1p(x);
}
});
PerfTestUtils.timeAndReport("pow",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.pow(x, y);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.pow(x, y);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.pow(x, y);
}
});
PerfTestUtils.timeAndReport("exp",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.exp(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.exp(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.exp(x);
}
});
PerfTestUtils.timeAndReport("sin",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.sin(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.sin(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.sin(x);
}
});
PerfTestUtils.timeAndReport("asin",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.asin(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.asin(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.asin(x);
}
});
PerfTestUtils.timeAndReport("cos",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.cos(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.cos(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.cos(x);
}
});
PerfTestUtils.timeAndReport("acos",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.acos(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.acos(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.acos(x);
}
});
PerfTestUtils.timeAndReport("tan",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.tan(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.tan(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.tan(x);
}
});
PerfTestUtils.timeAndReport("atan",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.atan(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.atan(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.atan(x);
}
});
PerfTestUtils.timeAndReport("atan2",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.atan2(x, y);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.atan2(x, y);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.atan2(x, y);
}
});
PerfTestUtils.timeAndReport("hypot",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.hypot(x, y);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.hypot(x, y);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.hypot(x, y);
}
});
PerfTestUtils.timeAndReport("cbrt",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.cbrt(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.cbrt(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.cbrt(x);
}
});
PerfTestUtils.timeAndReport("sqrt",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.sqrt(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.sqrt(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.sqrt(x);
}
});
PerfTestUtils.timeAndReport("cosh",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.cosh(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.cosh(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.cosh(x);
}
});
PerfTestUtils.timeAndReport("sinh",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.sinh(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.sinh(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.sinh(x);
}
});
PerfTestUtils.timeAndReport("tanh",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.tanh(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.tanh(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.tanh(x);
}
});
PerfTestUtils.timeAndReport("expm1",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.expm1(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.expm1(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.expm1(x);
}
});
PerfTestUtils.timeAndReport("abs",
maxWidth,
numCall,
numStat,
false,
new PerfTestUtils.RunTest(SM) {
@Override
public Double call() throws Exception {
return StrictMath.abs(x);
}
},
new PerfTestUtils.RunTest(M) {
@Override
public Double call() throws Exception {
return Math.abs(x);
}
},
new PerfTestUtils.RunTest(FM) {
@Override
public Double call() throws Exception {
return FastMath.abs(x);
}
});
}
}