ICU-2275
Initial commit of character properties performance test X-SVN-Rev: 10088
This commit is contained in:
Syn Wee Quek
parent
cb3c5ddfb1
commit
1b1c6cfdaa
539
icu4j/src/com/ibm/icu/dev/test/perf/UCharacterPerf.java
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539
icu4j/src/com/ibm/icu/dev/test/perf/UCharacterPerf.java
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/**
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*******************************************************************************
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* Copyright (C) 2001-2002, International Business Machines Corporation and *
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* others. All Rights Reserved. *
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*******************************************************************************
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*
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* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/dev/test/perf/UCharacterPerf.java,v $
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* $Date: 2002/10/30 01:32:45 $
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* $Revision: 1.1 $
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*
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*******************************************************************************
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*/
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package com.ibm.icu.dev.test.perf;
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import com.ibm.icu.lang.UCharacter;
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/**
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* Base performance test that takes in a method name for testing with JDK.
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* To use
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* <code>
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* java com.ibm.icu.dev.test.perf.UCharacterPerf $MethodName $LoopCount -
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* $START_TEST_CHARACTER $END_TEST_CHARACTER
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* </code>
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* where $*_TEST_CHARACTER are in hex decimals with a leading 0x
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*/
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public final class UCharacterPerf extends PerfTest
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{
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// public methods ------------------------------------------------------
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public static void main(String[] args) throws Exception
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{
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new UCharacterPerf().run(args);
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// new UCharacterPerf().TestPerformance();
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}
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protected void setup(String[] args) {
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// We only take one argument, the pattern
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if (args.length < 1) {
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MIN_ = Character.MIN_VALUE;
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MAX_ = Character.MAX_VALUE;
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}
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MIN_ = Integer.parseInt(args[0], 16);
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if (args.length >= 2) {
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MAX_ = Integer.parseInt(args[1], 16);
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}
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}
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PerfTest.Function testDigit()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.digit(ch, 10);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKDigit()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.digit(ch, 10);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testGetNumericValue()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.getNumericValue(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKGetNumericValue()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.getNumericValue(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testGetType()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.getType(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKGetType()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.getType(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsDefined()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isDefined(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsDefined()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isDefined(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsDigit()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isDigit(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsDigit()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isDigit(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsIdentifierIgnorable()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isIdentifierIgnorable(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsIdentifierIgnorable()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isIdentifierIgnorable(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsISOControl()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isISOControl(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsISOControl()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isISOControl(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsLetter()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isLetter(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsLetter()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isLetter(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsLetterOrDigit()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isLetterOrDigit(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsLetterOrDigit()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isLetterOrDigit(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsLowerCase()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isLowerCase(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsLowerCase()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isLowerCase(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsSpaceChar()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isSpaceChar(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsSpaceChar()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isSpaceChar(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsTitleCase()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isTitleCase(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsTitleCase()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isTitleCase(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsUnicodeIdentifierPart()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isUnicodeIdentifierPart(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsUnicodeIdentifierPart()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isUnicodeIdentifierPart(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsUnicodeIdentifierStart()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isUnicodeIdentifierStart(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsUnicodeIdentifierStart()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isUnicodeIdentifierStart(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsUpperCase()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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UCharacter.isUpperCase(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsUpperCase()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isUpperCase(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testIsWhiteSpace()
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{
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return new PerfTest.Function() {
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public void call() {
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for (int ch = MIN_; ch < MAX_; ch ++) {
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UCharacter.isWhitespace(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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PerfTest.Function testJDKIsWhiteSpace()
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{
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return new PerfTest.Function() {
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public void call() {
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for (char ch = (char)MIN_; ch < (char)MAX_; ch ++) {
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Character.isWhitespace(ch);
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}
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}
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public long getOperationsPerIteration() {
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return MAX_;
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}
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};
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}
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// private data member --------------------------------------------------
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/**
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* Minimum codepoint to do test. Test is ran from MIN_ to MAX_
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*/
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private static int MIN_;
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/**
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* Minimum codepoint to do test. Test is ran from MIN_ to MAX_
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*/
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private static int MAX_;
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}
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482
icu4j/src/com/ibm/icu/dev/test/perf/ucharacterperf.pl
Executable file
482
icu4j/src/com/ibm/icu/dev/test/perf/ucharacterperf.pl
Executable file
@ -0,0 +1,482 @@
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#!/usr/local/bin/perl
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use strict;
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# Assume we are running within the icu4j root directory
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use lib 'src/com/ibm/icu/dev/test/perf';
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use Dataset;
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#---------------------------------------------------------------------
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# Test class
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my $TESTCLASS = 'com.ibm.icu.dev.test.perf.UCharacterPerf';
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# Methods to be tested. Each pair represents a test method and
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# a baseline method which is used for comparison.
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my @METHODS = (['Digit', 'JDKDigit'],
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['GetNumericValue', 'JDKGetNumericValue'],
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['GetType', 'JDKGetType'],
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['IsDefined', 'JDKIsDefined'],
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['IsDigit', 'JDKIsDigit'],
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['IsIdentifierIgnorable', 'JDKIsIdentifierIgnorable'],
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['IsISOControl', 'JDKIsISOControl'],
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['IsLetter', 'JDKIsLetter'],
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['IsLetterOrDigit', 'JDKIsLetterOrDigit'],
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['IsLowerCase', 'JDKIsLowerCase'],
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['IsSpaceChar', 'JDKIsSpaceChar'],
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['IsTitleCase', 'JDKIsTitleCase'],
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['IsUnicodeIdentifierPart', 'JDKIsUnicodeIdentifierPart'],
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['IsUnicodeIdentifierStart', 'JDKIsUnicodeIdentifierStart'],
|
||||
['IsUpperCase', 'JDKIsUpperCase'],
|
||||
['IsWhiteSpace', 'JDKIsWhiteSpace'],
|
||||
);
|
||||
|
||||
# Patterns which define the set of characters used for testing.
|
||||
my @PATTERNS = ('0 ffff');
|
||||
|
||||
my $CALIBRATE = 2; # duration in seconds for initial calibration
|
||||
my $DURATION = 10; # duration in seconds for each pass
|
||||
my $NUMPASSES = 4; # number of passes. If > 1 then the first pass
|
||||
# is discarded as a JIT warm-up pass.
|
||||
|
||||
my $TABLEATTR = 'BORDER="1" CELLPADDING="4" CELLSPACING="0"';
|
||||
|
||||
my $PLUS_MINUS = "±";
|
||||
|
||||
if ($NUMPASSES < 3) {
|
||||
die "Need at least 3 passes. One is discarded (JIT warmup) and need two to have 1 degree of freedom (t distribution).";
|
||||
}
|
||||
|
||||
my $OUT; # see out()
|
||||
|
||||
main();
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# ...
|
||||
sub main {
|
||||
my $date = localtime;
|
||||
my $title = "ICU4J Performance Test $date";
|
||||
|
||||
my $html = $date;
|
||||
$html =~ s/://g; # ':' illegal
|
||||
$html =~ s/\s*\d+$//; # delete year
|
||||
$html =~ s/^\w+\s*//; # delete dow
|
||||
$html = "perf $html.html";
|
||||
|
||||
open(HTML,">$html") or die "Can't write to $html: $!";
|
||||
|
||||
print HTML <<EOF;
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
|
||||
"http://www.w3.org/TR/html4/strict.dtd">
|
||||
<HTML>
|
||||
<HEAD>
|
||||
<TITLE>$title</TITLE>
|
||||
</HEAD>
|
||||
<BODY>
|
||||
EOF
|
||||
print HTML "<H1>$title</H1>\n";
|
||||
|
||||
print HTML "<H2>$TESTCLASS</H2>\n";
|
||||
|
||||
my $raw = "";
|
||||
|
||||
for my $methodPair (@METHODS) {
|
||||
|
||||
my $testMethod = $methodPair->[0];
|
||||
my $baselineMethod = $methodPair->[1];
|
||||
|
||||
print HTML "<P><TABLE $TABLEATTR><TR><TD>\n";
|
||||
print HTML "<P><B>$testMethod vs. $baselineMethod</B></P>\n";
|
||||
|
||||
print HTML "<P><TABLE $TABLEATTR BGCOLOR=\"#CCFFFF\">\n";
|
||||
print HTML "<TR><TD>Pattern</TD><TD>$testMethod</TD>";
|
||||
print HTML "<TD>$baselineMethod</TD><TD>Ratio</TD></TR>\n";
|
||||
|
||||
$OUT = '';
|
||||
|
||||
for my $pat (@PATTERNS) {
|
||||
print HTML "<TR><TD>$pat</TD>\n";
|
||||
|
||||
out("<P><TABLE $TABLEATTR WIDTH=\"100%\">");
|
||||
|
||||
# measure the test method
|
||||
out("<TR><TD>");
|
||||
print "\n$testMethod $pat\n";
|
||||
my $t = measure2($testMethod, $pat, -$DURATION);
|
||||
out("</TD></TR>");
|
||||
print HTML "<TD>", formatSeconds(4, $t->getMean(), $t->getError);
|
||||
print HTML "/event</TD>\n";
|
||||
|
||||
# measure baseline method
|
||||
out("<TR><TD>");
|
||||
print "\nBegin $baselineMethod $pat\n";
|
||||
my $b = measure2($baselineMethod, $pat, -$DURATION);
|
||||
out("</TD></TR>");
|
||||
print HTML "<TD>", formatSeconds(4, $b->getMean(), $t->getError);
|
||||
print HTML "/event</TD>\n";
|
||||
|
||||
out("</TABLE></P>");
|
||||
|
||||
# output ratio
|
||||
my $r = $t->divide($b);
|
||||
print HTML "<TD><B>", formatPercent(3, $r->getMean(), $r->getError);
|
||||
print HTML "</B></TD></TR>\n";
|
||||
}
|
||||
|
||||
print HTML "</TABLE></P>\n";
|
||||
|
||||
print HTML "<P>Raw data:</P>\n";
|
||||
print HTML $OUT;
|
||||
print HTML "</TABLE></P>\n";
|
||||
}
|
||||
|
||||
print HTML <<EOF;
|
||||
</BODY>
|
||||
</HTML>
|
||||
EOF
|
||||
close(HTML) or die "Can't close $html: $!";
|
||||
}
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# Append text to the global variable $OUT
|
||||
sub out {
|
||||
$OUT .= join('', @_);
|
||||
}
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# Append text to the global variable $OUT
|
||||
sub outln {
|
||||
$OUT .= join('', @_) . "\n";
|
||||
}
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# Measure a given test method with a give test pattern using the
|
||||
# global run parameters.
|
||||
#
|
||||
# @param the method to run
|
||||
# @param the pattern defining characters to test
|
||||
# @param if >0 then the number of iterations per pass. If <0 then
|
||||
# (negative of) the number of seconds per pass.
|
||||
#
|
||||
# @return a Dataset object, scaled by iterations per pass and
|
||||
# events per iteration, to give time per event
|
||||
#
|
||||
sub measure2 {
|
||||
my @data = measure1(@_);
|
||||
my $iterPerPass = shift(@data);
|
||||
my $eventPerIter = shift(@data);
|
||||
|
||||
shift(@data) if (@data > 1); # discard first run
|
||||
|
||||
my $ds = Dataset->new(@data);
|
||||
$ds->setScale(1.0e-3 / ($iterPerPass * $eventPerIter));
|
||||
$ds;
|
||||
}
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# Measure a given test method with a give test pattern using the
|
||||
# global run parameters.
|
||||
#
|
||||
# @param the method to run
|
||||
# @param the pattern defining characters to test
|
||||
# @param if >0 then the number of iterations per pass. If <0 then
|
||||
# (negative of) the number of seconds per pass.
|
||||
#
|
||||
# @return array of:
|
||||
# [0] iterations per pass
|
||||
# [1] events per iteration
|
||||
# [2..] ms reported for each pass, in order
|
||||
#
|
||||
sub measure1 {
|
||||
my $method = shift;
|
||||
my $pat = shift;
|
||||
my $iterCount = shift; # actually might be -seconds/pass
|
||||
|
||||
out("<P>Measuring $method using $pat, ");
|
||||
if ($iterCount > 0) {
|
||||
out("$iterCount iterations/pass, $NUMPASSES passes</P>\n");
|
||||
} else {
|
||||
out(-$iterCount, " seconds/pass, $NUMPASSES passes</P>\n");
|
||||
}
|
||||
|
||||
# is $iterCount actually -seconds?
|
||||
if ($iterCount < 0) {
|
||||
|
||||
# calibrate: estimate ms/iteration
|
||||
print "Calibrating...";
|
||||
my @t = callJava($method, $pat, -$CALIBRATE);
|
||||
print "done.\n";
|
||||
|
||||
my @data = split(/\s+/, $t[0]->[2]);
|
||||
my $timePerIter = 1.0e-3 * $data[0] / $data[2];
|
||||
|
||||
# determine iterations/pass
|
||||
$iterCount = int(-$iterCount / $timePerIter + 0.5);
|
||||
|
||||
out("<P>Calibration pass ($CALIBRATE sec): ");
|
||||
out("$data[0] ms, ");
|
||||
out("$data[2] iterations = ");
|
||||
out(formatSeconds(4, $timePerIter), "/iteration<BR>\n");
|
||||
}
|
||||
|
||||
# run passes
|
||||
print "Measuring $iterCount iterations x $NUMPASSES passes...";
|
||||
my @t = callJava($method, $pat, "$iterCount " x $NUMPASSES);
|
||||
print "done.\n";
|
||||
my @ms = ();
|
||||
my @b; # scratch
|
||||
for my $a (@t) {
|
||||
# $a->[0]: method name, corresponds to $method
|
||||
# $a->[1]: 'begin' data, == $iterCount
|
||||
# $a->[2]: 'end' data, of the form <ms> <eventsPerIter>
|
||||
# $a->[3...]: gc messages from JVM during pass
|
||||
@b = split(/\s+/, $a->[2]);
|
||||
push(@ms, $b[0]);
|
||||
}
|
||||
my $eventsPerIter = $b[1];
|
||||
|
||||
out("Iterations per pass: $iterCount<BR>\n");
|
||||
out("Events per iteration: $eventsPerIter<BR>\n");
|
||||
|
||||
my @ms_str = @ms;
|
||||
$ms_str[0] .= " (discarded)" if (@ms_str > 1);
|
||||
out("Raw times (ms/pass): ", join(", ", @ms_str), "<BR>\n");
|
||||
|
||||
($iterCount, $eventsPerIter, @ms);
|
||||
}
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# Invoke java to run $TESTCLASS, passing it the given parameters.
|
||||
#
|
||||
# @param the method to run
|
||||
# @param the number of iterations, or if negative, the duration
|
||||
# in seconds. If more than on pass is desired, pass in
|
||||
# a string, e.g., "100 100 100".
|
||||
# @param the pattern defining characters to test, values in hex digits without 0x
|
||||
#
|
||||
# @return an array of results. Each result is an array REF
|
||||
# describing one pass. The array REF contains:
|
||||
# ->[0]: The method name as reported
|
||||
# ->[1]: The params on the '= <meth> begin ...' line
|
||||
# ->[2]: The params on the '= <meth> end ...' line
|
||||
# ->[3..]: GC messages from the JVM, if any
|
||||
#
|
||||
sub callJava {
|
||||
my $method = shift;
|
||||
my $pat = shift;
|
||||
my $n = shift;
|
||||
|
||||
my $cmd = "java -cp classes $TESTCLASS $method $n - $pat";
|
||||
print "[$cmd]\n"; # for debugging
|
||||
open(PIPE, "$cmd|") or die "Can't run \"$cmd\"";
|
||||
my @out;
|
||||
while (<PIPE>) {
|
||||
push(@out, $_);
|
||||
}
|
||||
close(PIPE) or die "Java failed: \"$cmd\"";
|
||||
|
||||
@out = grep(!/^\#/, @out); # filter out comments
|
||||
|
||||
#print "[", join("\n", @out), "]\n";
|
||||
|
||||
my @results;
|
||||
my $method = '';
|
||||
my $data = [];
|
||||
foreach (@out) {
|
||||
next unless (/\S/);
|
||||
|
||||
if (/^=\s*(\w+)\s*(\w+)\s*(.*)/) {
|
||||
my ($m, $state, $d) = ($1, $2, $3);
|
||||
#print "$_ => [[$m $state $data]]\n";
|
||||
if ($state eq 'begin') {
|
||||
die "$method was begun but not finished" if ($method);
|
||||
$method = $m;
|
||||
push(@$data, $d);
|
||||
push(@$data, ''); # placeholder for end data
|
||||
} elsif ($state eq 'end') {
|
||||
if ($m ne $method) {
|
||||
die "$method end does not match: $_";
|
||||
}
|
||||
$data->[1] = $d; # insert end data at [1]
|
||||
#print "#$method:", join(";",@$data), "\n";
|
||||
unshift(@$data, $method); # add method to start
|
||||
push(@results, $data);
|
||||
$method = '';
|
||||
$data = [];
|
||||
} else {
|
||||
die "Can't parse: $_";
|
||||
}
|
||||
}
|
||||
|
||||
elsif (/^\[/) {
|
||||
if ($method) {
|
||||
push(@$data, $_);
|
||||
} else {
|
||||
# ignore extraneous GC notices
|
||||
}
|
||||
}
|
||||
|
||||
else {
|
||||
die "Can't parse: $_";
|
||||
}
|
||||
}
|
||||
|
||||
die "$method was begun but not finished" if ($method);
|
||||
|
||||
@results;
|
||||
}
|
||||
|
||||
#|#---------------------------------------------------------------------
|
||||
#|# Format a confidence interval, as given by a Dataset. Output is as
|
||||
#|# as follows:
|
||||
#|# 241.23 - 241.98 => 241.5 +/- 0.3
|
||||
#|# 241.2 - 243.8 => 242 +/- 1
|
||||
#|# 211.0 - 241.0 => 226 +/- 15 or? 230 +/- 20
|
||||
#|# 220.3 - 234.3 => 227 +/- 7
|
||||
#|# 220.3 - 300.3 => 260 +/- 40
|
||||
#|# 220.3 - 1000 => 610 +/- 390 or? 600 +/- 400
|
||||
#|# 0.022 - 0.024 => 0.023 +/- 0.001
|
||||
#|# 0.022 - 0.032 => 0.027 +/- 0.005
|
||||
#|# 0.022 - 1.000 => 0.5 +/- 0.5
|
||||
#|# In other words, take one significant digit of the error value and
|
||||
#|# display the mean to the same precision.
|
||||
#|sub formatDataset {
|
||||
#| my $ds = shift;
|
||||
#| my $lower = $ds->getMean() - $ds->getError();
|
||||
#| my $upper = $ds->getMean() + $ds->getError();
|
||||
#| my $scale = 0;
|
||||
#| # Find how many initial digits are the same
|
||||
#| while ($lower < 1 ||
|
||||
#| int($lower) == int($upper)) {
|
||||
#| $lower *= 10;
|
||||
#| $upper *= 10;
|
||||
#| $scale++;
|
||||
#| }
|
||||
#| while ($lower >= 10 &&
|
||||
#| int($lower) == int($upper)) {
|
||||
#| $lower /= 10;
|
||||
#| $upper /= 10;
|
||||
#| $scale--;
|
||||
#| }
|
||||
#|}
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# Format a number, optionally with a +/- delta, to n significant
|
||||
# digits.
|
||||
#
|
||||
# @param significant digit, a value >= 1
|
||||
# @param multiplier
|
||||
# @param time in seconds to be formatted
|
||||
# @optional delta in seconds
|
||||
#
|
||||
# @return string of the form "23" or "23 +/- 10".
|
||||
#
|
||||
sub formatNumber {
|
||||
my $sigdig = shift;
|
||||
my $mult = shift;
|
||||
my $a = shift;
|
||||
my $delta = shift; # may be undef
|
||||
|
||||
my $result = formatSigDig($sigdig, $a*$mult);
|
||||
if (defined($delta)) {
|
||||
my $d = formatSigDig($sigdig, $delta*$mult);
|
||||
# restrict PRECISION of delta to that of main number
|
||||
if ($result =~ /\.(\d+)/) {
|
||||
# TODO make this work for values with all significant
|
||||
# digits to the left of the decimal, e.g., 1234000.
|
||||
|
||||
# TODO the other thing wrong with this is that it
|
||||
# isn't rounding the $delta properly. Have to put
|
||||
# this logic into formatSigDig().
|
||||
my $x = length($1);
|
||||
$d =~ s/\.(\d{$x})\d+/.$1/;
|
||||
}
|
||||
$result .= " $PLUS_MINUS " . $d;
|
||||
}
|
||||
$result;
|
||||
}
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# Format a time, optionally with a +/- delta, to n significant
|
||||
# digits.
|
||||
#
|
||||
# @param significant digit, a value >= 1
|
||||
# @param time in seconds to be formatted
|
||||
# @optional delta in seconds
|
||||
#
|
||||
# @return string of the form "23 ms" or "23 +/- 10 ms".
|
||||
#
|
||||
sub formatSeconds {
|
||||
my $sigdig = shift;
|
||||
my $a = shift;
|
||||
my $delta = shift; # may be undef
|
||||
|
||||
my @MULT = (1 , 1e3, 1e6, 1e9);
|
||||
my @SUFF = ('s' , 'ms', 'us', 'ns');
|
||||
|
||||
# Determine our scale
|
||||
my $i = 0;
|
||||
++$i while ($a*$MULT[$i] < 1 && $i < @MULT);
|
||||
|
||||
formatNumber($sigdig, $MULT[$i], $a, $delta) . ' ' . $SUFF[$i];
|
||||
}
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# Format a percentage, optionally with a +/- delta, to n significant
|
||||
# digits.
|
||||
#
|
||||
# @param significant digit, a value >= 1
|
||||
# @param value to be formatted, as a fraction, e.g. 0.5 for 50%
|
||||
# @optional delta, as a fraction
|
||||
#
|
||||
# @return string of the form "23 %" or "23 +/- 10 %".
|
||||
#
|
||||
sub formatPercent {
|
||||
my $sigdig = shift;
|
||||
my $a = shift;
|
||||
my $delta = shift; # may be undef
|
||||
|
||||
formatNumber($sigdig, 100, $a, $delta) . ' %';
|
||||
}
|
||||
|
||||
#---------------------------------------------------------------------
|
||||
# Format a number to n significant digits without using exponential
|
||||
# notation.
|
||||
#
|
||||
# @param significant digit, a value >= 1
|
||||
# @param number to be formatted
|
||||
#
|
||||
# @return string of the form "1234" "12.34" or "0.001234". If
|
||||
# number was negative, prefixed by '-'.
|
||||
#
|
||||
sub formatSigDig {
|
||||
my $n = shift() - 1;
|
||||
my $a = shift;
|
||||
|
||||
local $_ = sprintf("%.${n}e", $a);
|
||||
my $sign = (s/^-//) ? '-' : '';
|
||||
|
||||
my $a_e;
|
||||
my $result;
|
||||
if (/^(\d)\.(\d+)e([-+]\d+)$/) {
|
||||
my ($d, $dn, $e) = ($1, $2, $3);
|
||||
$a_e = $e;
|
||||
$d .= $dn;
|
||||
$e++;
|
||||
$d .= '0' while ($e > length($d));
|
||||
while ($e < 1) {
|
||||
$e++;
|
||||
$d = '0' . $d;
|
||||
}
|
||||
if ($e == length($d)) {
|
||||
$result = $sign . $d;
|
||||
} else {
|
||||
$result = $sign . substr($d, 0, $e) . '.' . substr($d, $e);
|
||||
}
|
||||
} else {
|
||||
die "Can't parse $_";
|
||||
}
|
||||
$result;
|
||||
}
|
||||
|
||||
#eof
|
||||
Loading…
Reference in New Issue
Block a user