/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: BBMetric.java
* Written by Team 7: Felix Schmidt, Daniel Lechner
*
* This code has been developed at the Karlsruhe Institute of Technology (KIT), Germany,
* as part of the course "Multicore Programming in Practice: Tools, Models, and Languages".
* Contact instructor: Dr. Victor Pankratius (pankratius@ipd.uka.de)
*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*
* Electric(tm) 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.
*
* Electric(tm) 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.
*
* You should have received a copy of the GNU General Public License
* along with Electric(tm); see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, Mass 02111-1307, USA.
*/
package com.sun.electric.tool.placement.metrics.boundingbox;
import java.util.List;
import com.sun.electric.tool.placement.PlacementFrame.PlacementNetwork;
import com.sun.electric.tool.placement.PlacementFrame.PlacementNode;
import com.sun.electric.tool.placement.metrics.AbstractMetric;
import com.sun.electric.tool.util.concurrent.Parallel;
import com.sun.electric.tool.util.concurrent.utils.BlockedRange1D;
/**
* Parallel Placement
*
* Estimate wirelength using the bounding box metric
*/
public class BBMetricParallel extends AbstractMetric {
public BBMetricParallel(List<PlacementNode> nodesToPlace, List<PlacementNetwork> allNetworks) {
super(nodesToPlace, allNetworks);
}
/**
* estimate wirelength using the bounding box metric for all nets
*
* @return - the wirelength estimate
*/
@Override
public Double compute() {
return Parallel.Reduce(new BlockedRange1D(0, allNetworks.size(), 128), new BBMetricTask(
nodesToPlace, allNetworks));
}
@Override
public String getMetricName() {
return ("Bounding Box Metric Parallel");
}
}