/**
* ****************************************************************************
* Copyright (c) 2010-2016 by Min Cai (min.cai.china@gmail.com).
* <p>
* This file is part of the Archimulator multicore architectural simulator.
* <p>
* Archimulator is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* <p>
* Archimulator is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* <p>
* You should have received a copy of the GNU General Public License
* along with Archimulator. If not, see <http://www.gnu.org/licenses/>.
* ****************************************************************************
*/
package archimulator.uncore.cache.replacement.partitioned;
import archimulator.uncore.cache.EvictableCache;
import archimulator.uncore.cache.partitioning.Partitioner;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Predicate;
/**
* Static partitioned least recently used (LRU) policy.
*
* @param <StateT> the state type of the parent evictable cache
* @author Min Cai
*/
public class StaticPartitionedLRUPolicy<StateT extends Serializable> extends PartitionedLRUPolicy<StateT> implements Partitioner {
private int numMainThreadWays;
/**
* Create a static partitioned least recently used (LRU) policy for the specified evictable cache.
*
* @param cache the parent evictable cache
*/
public StaticPartitionedLRUPolicy(EvictableCache<StateT> cache) {
this(
cache,
cache.getExperiment().getConfig().getNumMainThreadWaysInStaticPartitionedLRUPolicy()
);
}
/**
* Create a static partitioned least recently used (LRU) policy for the specified evictable cache.
*
* @param cache the parent evictable cache
* @param numMainThreadWays the number of main thread ways
*/
public StaticPartitionedLRUPolicy(EvictableCache<StateT> cache, int numMainThreadWays) {
super(cache);
this.numMainThreadWays = numMainThreadWays;
}
@Override
protected List<Integer> getPartition(int set) {
return new ArrayList<Integer>() {{
add(numMainThreadWays);
add(getCache().getAssociativity() - numMainThreadWays);
}};
}
@Override
public List<Integer> getPartition() {
return getPartition(0);
}
@Override
public void setShouldIncludePredicate(Predicate<Integer> shouldIncludePredicate) {
}
}