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GWTBenchmark.java
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/
GWTBenchmark.java
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/*
* Copyright 2010 Lars Grammel
*
* Licensed 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 de.larsgrammel.gwtbenchmark.client;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Panel;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
public class GWTBenchmark implements EntryPoint {
public void onModuleLoad() {
Panel parentPanel = new HorizontalPanel();
RootPanel.get().add(parentPanel);
int collectionSize = 100;
int containsTests = 20;
addBenchmark(new ArrayListAddBenchmark(collectionSize), parentPanel);
addBenchmark(new HashSetAddBenchmark(collectionSize), parentPanel);
addBenchmark(new JsArrayAddBenchmark(collectionSize), parentPanel);
addBenchmark(new ArrayListIteratorBenchmark(collectionSize), parentPanel);
addBenchmark(new HashSetIteratorBenchmark(collectionSize), parentPanel);
addBenchmark(new ArrayListContainsBenchmark(collectionSize, containsTests), parentPanel);
addBenchmark(new HashSetContainsBenchmark(collectionSize, containsTests), parentPanel);
addBenchmark(new JsArrayContainsBenchmark(collectionSize, containsTests), parentPanel);
}
private void addBenchmark(final Runnable benchmark, Panel parentPanel) {
VerticalPanel panel = new VerticalPanel();
final ListBox list = new ListBox();
list.setVisibleItemCount(20);
Button button = new Button(benchmark.toString(), new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
list.addItem("" + runBenchmark(benchmark, 2500));
}
});
panel.add(button);
panel.add(list);
parentPanel.add(panel);
}
private long runBenchmark(Runnable benchmark, int iterations) {
long startTime = System.currentTimeMillis();
for (int i = 0; i < iterations; i++) {
benchmark.run();
}
return System.currentTimeMillis() - startTime;
}
}