undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
This commit is contained in:
commit
0a580b313d
70422 changed files with 17213626 additions and 0 deletions
249
test/micro/org/openjdk/bench/java/math/BigDecimals.java
Normal file
249
test/micro/org/openjdk/bench/java/math/BigDecimals.java
Normal file
|
|
@ -0,0 +1,249 @@
|
|||
/*
|
||||
* Copyright (c) 2014, 2025, 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.math;
|
||||
|
||||
import org.openjdk.jmh.annotations.Benchmark;
|
||||
import org.openjdk.jmh.annotations.BenchmarkMode;
|
||||
import org.openjdk.jmh.annotations.Fork;
|
||||
import org.openjdk.jmh.annotations.Measurement;
|
||||
import org.openjdk.jmh.annotations.Mode;
|
||||
import org.openjdk.jmh.annotations.OperationsPerInvocation;
|
||||
import org.openjdk.jmh.annotations.OutputTimeUnit;
|
||||
import org.openjdk.jmh.annotations.Scope;
|
||||
import org.openjdk.jmh.annotations.Setup;
|
||||
import org.openjdk.jmh.annotations.State;
|
||||
import org.openjdk.jmh.annotations.Warmup;
|
||||
import org.openjdk.jmh.infra.Blackhole;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.math.RoundingMode;
|
||||
import java.util.Random;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
@BenchmarkMode(Mode.AverageTime)
|
||||
@OutputTimeUnit(TimeUnit.NANOSECONDS)
|
||||
@State(Scope.Thread)
|
||||
@Warmup(iterations = 5, time = 1)
|
||||
@Measurement(iterations = 5, time = 1)
|
||||
@Fork(value = 3)
|
||||
public class BigDecimals {
|
||||
|
||||
/** Make sure TEST_SIZE is used to size the arrays. We need this constant to parametrize the operations count. */
|
||||
private static final int TEST_SIZE = 100;
|
||||
|
||||
/* dummy variables for intermediate results */
|
||||
public Object[] dummyArr;
|
||||
public String[] dummyStringArray;
|
||||
public int dummy;
|
||||
|
||||
/* array to hold the created objects. */
|
||||
private BigDecimal[] bigDecimals;
|
||||
private String[] stringInputs;
|
||||
private double[] doubleInputs;
|
||||
private BigDecimal[] hugeArray, largeArray, smallArray;
|
||||
|
||||
@Setup
|
||||
public void setup() {
|
||||
Random r = new Random(1123);
|
||||
dummyArr = new Object[TEST_SIZE];
|
||||
bigDecimals = new BigDecimal[TEST_SIZE];
|
||||
stringInputs = new String[TEST_SIZE];
|
||||
doubleInputs = new double[TEST_SIZE];
|
||||
for (int i = 0; i < TEST_SIZE; i++) {
|
||||
double value = (double) (i + 1);
|
||||
switch (i % 4) {
|
||||
case 0:
|
||||
value = -value * 54345.0d;
|
||||
break;
|
||||
case 1:
|
||||
value = value * 5434543453454355e100;
|
||||
break;
|
||||
case 2:
|
||||
value = -value / 5434543453454355e100;
|
||||
break;
|
||||
case 3:
|
||||
break;
|
||||
}
|
||||
|
||||
bigDecimals[i] = new BigDecimal(value);
|
||||
stringInputs[i] = "" + value;
|
||||
doubleInputs[i] = value;
|
||||
}
|
||||
|
||||
/*
|
||||
* Huge numbers larger than MAX_LONG
|
||||
*/
|
||||
hugeArray = new BigDecimal[TEST_SIZE];
|
||||
|
||||
/*
|
||||
* Large numbers less than MAX_LONG but larger than MAX_INT
|
||||
*/
|
||||
largeArray = new BigDecimal[TEST_SIZE];
|
||||
|
||||
/*
|
||||
* Small number less than MAX_INT
|
||||
*/
|
||||
smallArray = new BigDecimal[TEST_SIZE];
|
||||
|
||||
dummyStringArray = new String[TEST_SIZE];
|
||||
for (int i = 0; i < TEST_SIZE; i++) {
|
||||
int value = Math.abs(r.nextInt());
|
||||
hugeArray[i] = new BigDecimal("" + ((long) value + (long) Integer.MAX_VALUE)
|
||||
+ ((long) value + (long) Integer.MAX_VALUE) + ".55");
|
||||
largeArray[i] = new BigDecimal("" + ((long) value + (long) Integer.MAX_VALUE) + ".55");
|
||||
smallArray[i] = new BigDecimal("" + ((long) value / 1000) + ".55");
|
||||
}
|
||||
}
|
||||
|
||||
/** Invokes the (String)-constructor of BigDecimal with various different values. */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE)
|
||||
public void testConstructorWithString(Blackhole bh) {
|
||||
for (String s : stringInputs) {
|
||||
bh.consume(new BigDecimal(s));
|
||||
}
|
||||
}
|
||||
|
||||
/** Invokes the (double)-constructor of BigDecimal with various different values. */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE)
|
||||
public void testConstructorWithDouble(Blackhole bh) {
|
||||
for (double s : doubleInputs) {
|
||||
bh.consume(new BigDecimal(s));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Invokes the setScale method of BigDecimal with various different values.
|
||||
*/
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE)
|
||||
public void testSetScale(Blackhole bh) {
|
||||
for (BigDecimal s : bigDecimals) {
|
||||
bh.consume(s.setScale(2, RoundingMode.HALF_UP));
|
||||
}
|
||||
}
|
||||
|
||||
/** Invokes the setScale method of BigDecimal with various different values. */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(50 * TEST_SIZE)
|
||||
public void testSetScaleVarious(Blackhole bh) {
|
||||
for (int scale = 0; scale < 50; scale++) {
|
||||
for (BigDecimal s : bigDecimals) {
|
||||
bh.consume(s.setScale(scale, RoundingMode.HALF_UP));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** Invokes the add method of BigDecimal with various different values. */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE)
|
||||
public void testAdd(Blackhole bh) {
|
||||
BigDecimal tmp = null;
|
||||
for (BigDecimal s : bigDecimals) {
|
||||
if (tmp == null) {
|
||||
tmp = s;
|
||||
continue;
|
||||
}
|
||||
tmp = tmp.add(s);
|
||||
}
|
||||
bh.consume(tmp);
|
||||
}
|
||||
|
||||
/** Invokes the multiply method of BigDecimal with various different values. */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE)
|
||||
public void testMultiply(Blackhole bh) {
|
||||
BigDecimal tmp = null;
|
||||
for (BigDecimal s : bigDecimals) {
|
||||
if (tmp == null) {
|
||||
tmp = s;
|
||||
continue;
|
||||
}
|
||||
tmp = tmp.multiply(s);
|
||||
}
|
||||
bh.consume(tmp);
|
||||
}
|
||||
|
||||
/** Test divide with huge/small numbers */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE * TEST_SIZE)
|
||||
public void testHugeSmallDivide(Blackhole bh) {
|
||||
for (BigDecimal s : hugeArray) {
|
||||
for (BigDecimal t : smallArray) {
|
||||
bh.consume(s.divide(t, RoundingMode.DOWN));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** Test divide with large/small numbers */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE * TEST_SIZE)
|
||||
public void testLargeSmallDivide(Blackhole bh) {
|
||||
for (BigDecimal s : largeArray) {
|
||||
for (BigDecimal t : smallArray) {
|
||||
bh.consume(s.divide(t, RoundingMode.DOWN));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** Test divide with huge/large numbers */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE * TEST_SIZE)
|
||||
public void testHugeLargeDivide(Blackhole bh) {
|
||||
for (BigDecimal s : hugeArray) {
|
||||
for (BigDecimal t : largeArray) {
|
||||
bh.consume(s.divide(t, RoundingMode.DOWN));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** Invokes the compareTo method of BigDecimal with various different values. */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE - 1)
|
||||
public void testCompareTo(Blackhole bh) {
|
||||
BigDecimal c = bigDecimals[0];
|
||||
for (BigDecimal s : bigDecimals) {
|
||||
bh.consume(c.compareTo(s));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/** Invokes the valueOf(double) of BigDecimal with various different values. */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE)
|
||||
public void testValueOfWithDouble(Blackhole bh) {
|
||||
for (double s : doubleInputs) {
|
||||
bh.consume(BigDecimal.valueOf(s));
|
||||
}
|
||||
}
|
||||
|
||||
/** Create BigDecimal from double with Double.toString on different values. */
|
||||
@Benchmark
|
||||
@OperationsPerInvocation(TEST_SIZE)
|
||||
public void testValueOfWithDoubleString(Blackhole bh) {
|
||||
for (double s : doubleInputs) {
|
||||
bh.consume(new BigDecimal(Double.toString(s)));
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue