| /* |
| * 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.nemo.compiler.optimizer.pass.runtime; |
| |
| import org.apache.nemo.client.JobLauncher; |
| import org.apache.nemo.common.ir.IRDAG; |
| import org.apache.nemo.common.ir.edge.IREdge; |
| import org.apache.nemo.common.ir.edge.executionproperty.MessageIdEdgeProperty; |
| import org.apache.nemo.common.ir.vertex.executionproperty.ParallelismProperty; |
| import org.apache.nemo.compiler.CompilerTestUtil; |
| import org.apache.nemo.compiler.optimizer.pass.compiletime.reshaping.LoopUnrollingPass; |
| import org.apache.nemo.compiler.optimizer.pass.compiletime.reshaping.SamplingTaskSizingPass; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.powermock.core.classloader.annotations.PrepareForTest; |
| import org.powermock.modules.junit4.PowerMockRunner; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import static junit.framework.TestCase.assertEquals; |
| |
| /** |
| * Test {@link DynamicTaskSizingRuntimePass}. |
| */ |
| @RunWith(PowerMockRunner.class) |
| @PrepareForTest(JobLauncher.class) |
| public class DynamicTaskSizingRuntimePassTest { |
| private IRDAG compiledDAG; |
| private final String mapKey = "opt.parallelism"; |
| private final Map<String, Long> message = new HashMap<>(); |
| |
| @Before |
| public void setUp() throws Exception { |
| compiledDAG = CompilerTestUtil.compileWordCountDAG(); |
| message.put(mapKey, 8L); |
| } |
| |
| /** |
| * Testing method of whether the runtime pass successfully changes the parallelism of target vertices. |
| */ |
| @Test |
| public void testDynamicTaskSizingRuntimePass() { |
| final IRDAG dagAfterCompileTimePass = |
| new LoopUnrollingPass().apply(new SamplingTaskSizingPass().apply(compiledDAG)); |
| final Set<IREdge> edgesToExamine = dagAfterCompileTimePass.getEdges().stream() |
| .filter(irEdge -> irEdge.getExecutionProperties().containsKey(MessageIdEdgeProperty.class)) |
| .collect(Collectors.toSet()); |
| |
| if (!edgesToExamine.isEmpty()) { |
| final IRDAG afterRuntimePass = new DynamicTaskSizingRuntimePass() |
| .apply(dagAfterCompileTimePass, new Message<>(1, edgesToExamine, message)); |
| for (IREdge edge : afterRuntimePass.getEdges()) |
| if (edgesToExamine.contains(edge)) { |
| int dstParallelism = edge.getDst().getPropertyValue(ParallelismProperty.class).orElse(1); |
| assertEquals(dstParallelism, 8); |
| } |
| } |
| } |
| } |