| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.sysds.test.applications; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.apache.sysds.test.AutomatedTestBase; |
| import org.apache.sysds.test.TestConfiguration; |
| import org.apache.sysds.test.TestUtils; |
| |
| @RunWith(value = Parameterized.class) |
| @net.jcip.annotations.NotThreadSafe |
| public class PageRankTest extends AutomatedTestBase { |
| |
| protected final static String TEST_DIR = "applications/page_rank/"; |
| protected final static String TEST_NAME = "PageRank"; |
| protected String TEST_CLASS_DIR = TEST_DIR + PageRankTest.class.getSimpleName() + "/"; |
| |
| protected int numRows, numCols; |
| |
| public PageRankTest(int rows, int cols) { |
| this.numRows = rows; |
| this.numCols = cols; |
| } |
| |
| @Parameters |
| public static Collection<Object[]> data() { |
| Object[][] data = new Object[][] { { 50, 50 }, { 1500, 1500 }, { 7500, 7500 } }; |
| return Arrays.asList(data); |
| } |
| |
| @Override |
| public void setUp() { |
| addTestConfiguration(TEST_NAME, new TestConfiguration(TEST_CLASS_DIR, TEST_NAME, new String[] { "p" })); |
| } |
| |
| @Test |
| public void testPageRank() { |
| System.out.println("------------ BEGIN " + TEST_NAME + " TEST {" + numRows + ", " |
| + numCols + "} ------------"); |
| |
| int rows = numRows; |
| int cols = numCols; |
| int maxiter = 2; |
| double alpha = 0.85; |
| |
| getAndLoadTestConfiguration(TEST_NAME); |
| |
| List<String> proArgs = new ArrayList<>(); |
| proArgs.add("-args"); |
| proArgs.add(input("g")); |
| proArgs.add(input("p")); |
| proArgs.add(input("e")); |
| proArgs.add(input("u")); |
| proArgs.add(Double.toString(alpha)); |
| proArgs.add(Integer.toString(maxiter)); |
| proArgs.add(output("p")); |
| programArgs = proArgs.toArray(new String[proArgs.size()]); |
| |
| fullDMLScriptName = getScript(); |
| |
| double[][] g = getRandomMatrix(rows, cols, 1, 1, 0.000374962, -1); |
| double[][] p = getRandomMatrix(rows, 1, 1, 1, 1, -1); |
| double[][] e = getRandomMatrix(rows, 1, 1, 1, 1, -1); |
| double[][] u = getRandomMatrix(1, cols, 1, 1, 1, -1); |
| writeInputMatrixWithMTD("g", g, true); |
| writeInputMatrixWithMTD("p", p, true); |
| writeInputMatrixWithMTD("e", e, true); |
| writeInputMatrixWithMTD("u", u, true); |
| |
| for (int i = 0; i < maxiter; i++) { |
| double[][] gp = TestUtils.performMatrixMultiplication(g, p); |
| double[][] eu = TestUtils.performMatrixMultiplication(e, u); |
| double[][] eup = TestUtils.performMatrixMultiplication(eu, p); |
| for (int j = 0; j < rows; j++) { |
| p[j][0] = alpha * gp[j][0] + (1 - alpha) * eup[j][0]; |
| } |
| } |
| |
| writeExpectedMatrix("p", p); |
| |
| /* |
| * Expected number of jobs: Reblock - 1 job While loop iteration - 6 jobs (can be reduced if MMCJ job can |
| * produce multiple outputs) Final output write - 1 job |
| */ |
| int expectedNumberOfJobs = 8; |
| runTest(true, EXCEPTION_NOT_EXPECTED, null, expectedNumberOfJobs); |
| |
| compareResults(0.0000001); |
| } |
| |
| } |