/*
* Copyright (C) 2012 stas
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cc.redberry.performance;
import cc.redberry.core.context.CC;
import cc.redberry.core.tensor.Product;
import cc.redberry.core.tensor.random.TRandom;
import cc.redberry.transformation.substitutions.n.ProductsBijectionsPort;
import org.apache.commons.math.stat.descriptive.DescriptiveStatistics;
/**
*
* @author stas
*/
public class ProductBijectionPerformanceHugeTest {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
CC.getNameManager().reset(-3912578993076521674L);
TRandom rp = new TRandom(
4,
10,
new int[]{4, 0, 0, 0},
new int[]{10, 0, 0, 0},
false);
rp.reset(-3806751651286565680L);
System.out.println("Random Seed = " + rp.getSeed());
System.out.println("NM Seed = " + CC.getNameManager().getSeed());
// Product t = rp.nextPermutation();
// ContractionsGraphDrawer.drawToPngFile(t, "/home/stas/Projects/Durty/", "Huge1");
DescriptiveStatistics timeStats = new DescriptiveStatistics();
DescriptiveStatistics trysStats = new DescriptiveStatistics();
int count = -1;
while (++count < 10) {
CC.resetTensorNames();
Product from = rp.nextProduct(15);
Product target = from.clone();
// if (from.getContent().getFullContractionStructure().componentCount != 1) {
// System.out.println(from.getContent().getFullContractionStructure().componentCount);
// continue;
// }
System.out.println(from.size());
long start = System.nanoTime();
ProductsBijectionsPort port = new ProductsBijectionsPort(from.getContent(), target.getContent());
int[] bijection;
boolean good = false;
int trys = 0;
OUTER:
while ((bijection = port.take()) != null && trys++ < 5000);
if (trys != 0)
good = true;
double millis = 1E-6 * (System.nanoTime() - start);
timeStats.addValue(millis);
trysStats.addValue(trys);
if (!good)
throw new RuntimeException();
}
System.out.println(timeStats);
System.out.println(trysStats);
}
}