org.hsqldb.test.TestObjectSize Maven / Gradle / Ivy
The newest version!
/* Copyright (c) 2001-2011, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb.test;
import java.sql.Timestamp;
import org.hsqldb.lib.StopWatch;
public class TestObjectSize {
public TestObjectSize() {
StopWatch sw = new StopWatch();
int testCount = 2350000;
System.out.println("Fill Memory with Objects ");
Object[] objectArray = new Object[testCount];
for (int j = 0; j < objectArray.length; j++) {
objectArray[j] = new Timestamp(0);
}
System.out.println("Array Filled " + sw.elapsedTime());
for (int j = 0; j < objectArray.length; j++) {
objectArray[j] = null;
}
Object[] objectArray2 = new Object[testCount];
Object[] objectArray3 = new Object[testCount];
Object[] objectArray4 = new Object[testCount];
Object[] objectArray5 = new Object[testCount];
Object[] objectArray6 = new Object[testCount];
// Object[] objectArray7 = new Object[testCount];
short[] shortArray = new short[testCount];
byte[] byteArray = new byte[testCount];
System.out.println("Fill with Empty Arrays " + sw.elapsedTime());
sw.zero();
}
public static void main(String[] argv) {
TestObjectSize ls = new TestObjectSize();
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy