/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.mmtk.utility.options;
public class PretenureThresholdFraction extends org.vmutil.options.FloatOption {
/**
* if object is bigger than this fraction of nursery, pretenure to LOS
*/
private static final float DEFAULT_PRETENURE_THRESHOLD_FRACTION = 0.5f;
/**
* Create the option.
*/
public PretenureThresholdFraction() {
super(Options.set, "Pretenure Threshold Fraction",
"Objects larger than this fraction of the remaining nursery will be allocated directly into the LOS.",
DEFAULT_PRETENURE_THRESHOLD_FRACTION);
}
/**
* Ensure the value is valid.
*/
@Override
protected void validate() {
failIf((this.value < 0 || this.value > 1.0), "Ratio must be a float between 0 and 1");
}
}