| /* |
| * 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.functions.unary.matrix; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.apache.sysds.api.DMLScript; |
| import org.apache.sysds.common.Types.ExecMode; |
| import org.apache.sysds.runtime.matrix.data.MatrixValue; |
| import org.apache.sysds.runtime.matrix.data.MatrixValue.CellIndex; |
| import org.apache.sysds.runtime.meta.MatrixCharacteristics; |
| import org.apache.sysds.test.AutomatedTestBase; |
| import org.apache.sysds.test.TestConfiguration; |
| import java.util.HashMap; |
| |
| /** |
| * Tests for the Cholesky matrix factorization |
| * Note: |
| * 1. Only tested for dense configuration of matrices (small, & large) |
| * 2. The remaining tests for matrix dim check, positive definiteness |
| * already tested at commons-math. |
| */ |
| |
| public class CholeskyTest extends AutomatedTestBase |
| { |
| private final static String TEST_NAME = "cholesky"; |
| private final static String TEST_DIR = "functions/unary/matrix/"; |
| private static final String TEST_CLASS_DIR = TEST_DIR + CholeskyTest.class.getSimpleName() + "/"; |
| |
| private final static int rows1 = 500; |
| private final static int rows2 = 2500; |
| private final static int cols1 = 500; |
| private final static int cols2 = 2500; |
| private final static double sparsity = 0.9; |
| |
| @Override |
| public void setUp() { |
| addTestConfiguration( |
| TEST_NAME, |
| new TestConfiguration(TEST_CLASS_DIR, TEST_NAME, |
| new String[] { "D" }) ); |
| } |
| |
| @Test |
| public void testCholeskyDenseCP() { |
| runTestCholesky( rows1, cols1, ExecMode.SINGLE_NODE ); |
| } |
| |
| @Test |
| public void testCholeskyDenseSP() { |
| runTestCholesky( rows1, cols1, ExecMode.SPARK ); |
| } |
| |
| @Test |
| public void testCholeskyDenseHybrid() { |
| runTestCholesky( rows1, cols1, ExecMode.HYBRID ); |
| } |
| |
| @Test |
| public void testLargeCholeskyDenseCP() { |
| runTestCholesky( rows2, cols2, ExecMode.SINGLE_NODE ); |
| } |
| |
| @Test |
| public void testLargeCholeskyDenseSP() { |
| runTestCholesky( rows2, cols2, ExecMode.SPARK ); |
| } |
| |
| @Test |
| public void testLargeCholeskyDenseHybrid() { |
| runTestCholesky( rows2, cols2, ExecMode.HYBRID ); |
| } |
| |
| private void runTestCholesky( int rows, int cols, ExecMode rt) { |
| ExecMode rtold = rtplatform; |
| rtplatform = rt; |
| |
| boolean sparkConfigOld = DMLScript.USE_LOCAL_SPARK_CONFIG; |
| if( rtplatform == ExecMode.SPARK ) |
| DMLScript.USE_LOCAL_SPARK_CONFIG = true; |
| |
| try { |
| getAndLoadTestConfiguration(TEST_NAME); |
| |
| String HOME = SCRIPT_DIR + TEST_DIR; |
| fullDMLScriptName = HOME+ TEST_NAME + ".dml"; |
| programArgs = new String[]{"-args", input("A"), output("D") }; |
| |
| double[][] A = getRandomMatrix(rows, cols, 0, 1, sparsity, 10); |
| MatrixCharacteristics mc = new MatrixCharacteristics(rows, cols, -1, -1); |
| writeInputMatrixWithMTD("A", A, false, mc); |
| |
| //run tests and compare results |
| runTest(true, false, null, -1); |
| HashMap<CellIndex, Double> dmlOut = readDMLMatrixFromOutputDir("D"); |
| MatrixValue.CellIndex index = dmlOut.keySet().iterator().next(); |
| double d = dmlOut.get(index); |
| Assert.assertEquals(0, d, 1e-5); |
| } |
| finally { |
| DMLScript.USE_LOCAL_SPARK_CONFIG = sparkConfigOld; |
| rtplatform = rtold; |
| } |
| } |
| } |