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INT-1188, Added test cases showing performance benchmarks (sync and async)

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Oleg Zhurakousky
2010-06-20 13:08:08 +00:00
parent 9332882d62
commit 3c3e699860
1 changed files with 54 additions and 0 deletions
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54
spring-integration-core/src/test/java/org/springframework/integration/core/TimeBasedUUIDGeneratorTests.java
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@@ -16,9 +16,13 @@
package org.springframework.integration.core;
import java.util.UUID;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import org.junit.Assert;
import org.junit.Test;
import org.springframework.util.StopWatch;
/**
* @author Oleg Zhurakousky
@@ -47,4 +51,54 @@ public class TimeBasedUUIDGeneratorTests {
id = newId;
}
}
@Test
public void performanceTestSynch(){
StopWatch stopWatch = new StopWatch();
stopWatch.start();
for (int i = 0; i < 10000; i++) {
TimeBasedUUIDGenerator.generateId();
}
stopWatch.stop();
System.out.println("Generated 10000 UUID (sync) via TimeBasedUUIDGenerator.generateId(): in " + stopWatch.getTotalTimeSeconds() + " seconds");
stopWatch = new StopWatch();
stopWatch.start();
for (int i = 0; i < 10000; i++) {
UUID.randomUUID();
}
stopWatch.stop();
System.out.println("Generated 10000 UUID (sync) via UUID.randomUUID(): in " + stopWatch.getTotalTimeSeconds() + " seconds");
}
@Test
public void performanceTestAsynch() throws Exception {
ExecutorService executor = Executors.newFixedThreadPool(1);
StopWatch stopWatch = new StopWatch();
stopWatch.start();
for (int i = 0; i < 10000; i++) {
executor.execute(new Runnable() {
public void run() {
TimeBasedUUIDGenerator.generateId();
}
});
}
executor.shutdown();
executor.awaitTermination(10, TimeUnit.SECONDS);
stopWatch.stop();
System.out.println("Generated 10000 UUID (async) via TimeBasedUUIDGenerator.generateId(): in " + stopWatch.getTotalTimeSeconds() + " seconds");
executor = Executors.newFixedThreadPool(1);
stopWatch = new StopWatch();
stopWatch.start();
for (int i = 0; i < 10000; i++) {
executor.execute(new Runnable() {
public void run() {
UUID.randomUUID();
}
});
}
executor.shutdown();
executor.awaitTermination(10, TimeUnit.SECONDS);
stopWatch.stop();
System.out.println("Generated 10000 UUID (async) via UUID.randomUUID(): in " + stopWatch.getTotalTimeSeconds() + " seconds");
}
}