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Checking in simple performance test 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@605957 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Grant Ingersoll 2007-12-20 15:07:59 +00:00
parent 52d307607c
commit 7a3a61e45d
1 changed files with 140 additions and 15 deletions
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155
src/test/org/apache/lucene/analysis/TeeSinkTokenTest.java
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@ -17,9 +17,14 @@ package org.apache.lucene.analysis;
*/
import junit.framework.TestCase;
import org.apache.lucene.analysis.standard.StandardFilter;
import org.apache.lucene.analysis.standard.StandardTokenizer;
import org.apache.lucene.util.English;
import java.io.StringReader;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
/**
* tests for the TeeTokenFilter and SinkTokenizer
@ -56,9 +61,9 @@ public class TeeSinkTokenTest extends TestCase {
public void test() throws IOException {
SinkTokenizer sink1 = new SinkTokenizer(null){
SinkTokenizer sink1 = new SinkTokenizer(null) {
public void add(Token t) {
if (t != null && t.termText().equalsIgnoreCase("The")){
if (t != null && t.termText().equalsIgnoreCase("The")) {
super.add(t);
}
}
@ -66,14 +71,14 @@ public class TeeSinkTokenTest extends TestCase {
TokenStream source = new TeeTokenFilter(new WhitespaceTokenizer(new StringReader(buffer1.toString())), sink1);
Token token = null;
int i = 0;
while ((token = source.next()) != null){
while ((token = source.next()) != null) {
assertTrue(token.termText() + " is not equal to " + tokens1[i], token.termText().equals(tokens1[i]) == true);
i++;
}
assertTrue(i + " does not equal: " + tokens1.length, i == tokens1.length);
assertTrue("sink1 Size: " + sink1.getTokens().size() + " is not: " + 2, sink1.getTokens().size() == 2);
i = 0;
while ((token = sink1.next()) != null){
while ((token = sink1.next()) != null) {
assertTrue(token.termText() + " is not equal to " + "The", token.termText().equalsIgnoreCase("The") == true);
i++;
}
@ -81,16 +86,16 @@ public class TeeSinkTokenTest extends TestCase {
}
public void testMultipleSources() throws Exception {
SinkTokenizer theDetector = new SinkTokenizer(null){
SinkTokenizer theDetector = new SinkTokenizer(null) {
public void add(Token t) {
if (t != null && t.termText().equalsIgnoreCase("The")){
if (t != null && t.termText().equalsIgnoreCase("The")) {
super.add(t);
}
}
};
SinkTokenizer dogDetector = new SinkTokenizer(null){
SinkTokenizer dogDetector = new SinkTokenizer(null) {
public void add(Token t) {
if (t != null && t.termText().equalsIgnoreCase("Dogs")){
if (t != null && t.termText().equalsIgnoreCase("Dogs")) {
super.add(t);
}
}
@ -99,7 +104,7 @@ public class TeeSinkTokenTest extends TestCase {
TokenStream source2 = new TeeTokenFilter(new TeeTokenFilter(new WhitespaceTokenizer(new StringReader(buffer2.toString())), theDetector), dogDetector);
Token token = null;
int i = 0;
while ((token = source1.next()) != null){
while ((token = source1.next()) != null) {
assertTrue(token.termText() + " is not equal to " + tokens1[i], token.termText().equals(tokens1[i]) == true);
i++;
}
@ -107,7 +112,7 @@ public class TeeSinkTokenTest extends TestCase {
assertTrue("theDetector Size: " + theDetector.getTokens().size() + " is not: " + 2, theDetector.getTokens().size() == 2);
assertTrue("dogDetector Size: " + dogDetector.getTokens().size() + " is not: " + 1, dogDetector.getTokens().size() == 1);
i = 0;
while ((token = source2.next()) != null){
while ((token = source2.next()) != null) {
assertTrue(token.termText() + " is not equal to " + tokens2[i], token.termText().equals(tokens2[i]) == true);
i++;
}
@ -115,13 +120,13 @@ public class TeeSinkTokenTest extends TestCase {
assertTrue("theDetector Size: " + theDetector.getTokens().size() + " is not: " + 4, theDetector.getTokens().size() == 4);
assertTrue("dogDetector Size: " + dogDetector.getTokens().size() + " is not: " + 2, dogDetector.getTokens().size() == 2);
i = 0;
while ((token = theDetector.next()) != null){
while ((token = theDetector.next()) != null) {
assertTrue(token.termText() + " is not equal to " + "The", token.termText().equalsIgnoreCase("The") == true);
i++;
}
assertTrue(i + " does not equal: " + theDetector.getTokens().size(), i == theDetector.getTokens().size());
i = 0;
while ((token = dogDetector.next()) != null){
while ((token = dogDetector.next()) != null) {
assertTrue(token.termText() + " is not equal to " + "Dogs", token.termText().equalsIgnoreCase("Dogs") == true);
i++;
}
@ -129,10 +134,130 @@ public class TeeSinkTokenTest extends TestCase {
source1.reset();
TokenStream lowerCasing = new LowerCaseFilter(source1);
i = 0;
while ((token = lowerCasing.next()) != null){
while ((token = lowerCasing.next()) != null) {
assertTrue(token.termText() + " is not equal to " + tokens1[i].toLowerCase(), token.termText().equals(tokens1[i].toLowerCase()) == true);
i++;
}
assertTrue(i + " does not equal: " + tokens1.length, i == tokens1.length);
}
}
/**
* Not an explicit test, just useful to print out some info on performance
*
* @throws Exception
*/
public void testPerformance() throws Exception {
int[] tokCount = {100, 500, 1000, 2000, 5000, 10000};
int[] modCounts = {1, 2, 5, 10, 20, 50, 100, 200, 500};
for (int k = 0; k < tokCount.length; k++) {
StringBuffer buffer = new StringBuffer();
System.out.println("-----Tokens: " + tokCount[k] + "-----");
for (int i = 0; i < tokCount[k]; i++) {
buffer.append(English.intToEnglish(i).toUpperCase()).append(' ');
}
//make sure we produce the same tokens
ModuloSinkTokenizer sink = new ModuloSinkTokenizer(tokCount[k], 100);
Token next = new Token();
TokenStream result = new TeeTokenFilter(new StandardFilter(new StandardTokenizer(new StringReader(buffer.toString()))), sink);
while ((next = result.next(next)) != null) {
}
result = new ModuloTokenFilter(new StandardFilter(new StandardTokenizer(new StringReader(buffer.toString()))), 100);
next = new Token();
List tmp = new ArrayList();
while ((next = result.next(next)) != null) {
tmp.add(next.clone());
}
List sinkList = sink.getTokens();
assertTrue("tmp Size: " + tmp.size() + " is not: " + sinkList.size(), tmp.size() == sinkList.size());
for (int i = 0; i < tmp.size(); i++) {
Token tfTok = (Token) tmp.get(i);
Token sinkTok = (Token) sinkList.get(i);
assertTrue(tfTok.termText() + " is not equal to " + sinkTok.termText() + " at token: " + i, tfTok.termText().equals(sinkTok.termText()) == true);
}
//simulate two fields, each being analyzed once, for 20 documents
for (int j = 0; j < modCounts.length; j++) {
int tfPos = 0;
long start = System.currentTimeMillis();
for (int i = 0; i < 20; i++) {
next = new Token();
result = new StandardFilter(new StandardTokenizer(new StringReader(buffer.toString())));
while ((next = result.next(next)) != null) {
tfPos += next.getPositionIncrement();
}
next = new Token();
result = new ModuloTokenFilter(new StandardFilter(new StandardTokenizer(new StringReader(buffer.toString()))), modCounts[j]);
while ((next = result.next(next)) != null) {
tfPos += next.getPositionIncrement();
}
}
long finish = System.currentTimeMillis();
System.out.println("ModCount: " + modCounts[j] + " Two fields took " + (finish - start) + " ms");
int sinkPos = 0;
//simulate one field with one sink
start = System.currentTimeMillis();
for (int i = 0; i < 20; i++) {
sink = new ModuloSinkTokenizer(tokCount[k], modCounts[j]);
next = new Token();
result = new TeeTokenFilter(new StandardFilter(new StandardTokenizer(new StringReader(buffer.toString()))), sink);
while ((next = result.next(next)) != null) {
sinkPos += next.getPositionIncrement();
}
//System.out.println("Modulo--------");
result = sink;
while ((next = result.next(next)) != null) {
sinkPos += next.getPositionIncrement();
}
}
finish = System.currentTimeMillis();
System.out.println("ModCount: " + modCounts[j] + " Tee fields took " + (finish - start) + " ms");
assertTrue(sinkPos + " does not equal: " + tfPos, sinkPos == tfPos);
}
System.out.println("- End Tokens: " + tokCount[k] + "-----");
}
}
class ModuloTokenFilter extends TokenFilter {
int modCount;
ModuloTokenFilter(TokenStream input, int mc) {
super(input);
modCount = mc;
}
int count = 0;
//return every 100 tokens
public Token next(Token result) throws IOException {
while ((result = input.next(result)) != null && count % modCount != 0) {
count++;
}
count++;
return result;
}
}
class ModuloSinkTokenizer extends SinkTokenizer {
int count = 0;
int modCount;
ModuloSinkTokenizer(int numToks, int mc) {
modCount = mc;
lst = new ArrayList(numToks % mc);
}
public void add(Token t) {
if (t != null && count % modCount == 0) {
lst.add(t.clone());
}
count++;
}
}
}