| /* |
| * 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.runtime.controlprogram.parfor; |
| |
| |
| import org.apache.sysds.hops.OptimizerUtils; |
| import org.apache.sysds.runtime.controlprogram.caching.MatrixObject; |
| import org.apache.sysds.runtime.controlprogram.parfor.opt.OptimizerRuleBased; |
| import org.apache.sysds.runtime.controlprogram.parfor.stat.Timing; |
| import org.apache.sysds.runtime.meta.DataCharacteristics; |
| |
| public class ResultMergeLocalAutomatic extends ResultMerge |
| { |
| private static final long serialVersionUID = 1600893100602101732L; |
| |
| private ResultMerge _rm = null; |
| |
| public ResultMergeLocalAutomatic( MatrixObject out, MatrixObject[] in, String outputFilename, boolean accum ) { |
| super( out, in, outputFilename, accum ); |
| } |
| |
| @Override |
| public MatrixObject executeSerialMerge() { |
| Timing time = new Timing(true); |
| |
| DataCharacteristics dc = _output.getDataCharacteristics(); |
| long rows = dc.getRows(); |
| long cols = dc.getCols(); |
| |
| if( OptimizerRuleBased.isInMemoryResultMerge(rows, cols, OptimizerUtils.getLocalMemBudget()) ) |
| _rm = new ResultMergeLocalMemory( _output, _inputs, _outputFName, _isAccum ); |
| else |
| _rm = new ResultMergeLocalFile( _output, _inputs, _outputFName, _isAccum ); |
| |
| MatrixObject ret = _rm.executeSerialMerge(); |
| |
| LOG.trace("Automatic result merge ("+_rm.getClass().getName()+") executed in "+time.stop()+"ms."); |
| |
| return ret; |
| } |
| |
| @Override |
| public MatrixObject executeParallelMerge(int par) { |
| DataCharacteristics dc = _output.getDataCharacteristics(); |
| long rows = dc.getRows(); |
| long cols = dc.getCols(); |
| |
| if( OptimizerRuleBased.isInMemoryResultMerge(par * rows, cols, OptimizerUtils.getLocalMemBudget()) ) |
| _rm = new ResultMergeLocalMemory( _output, _inputs, _outputFName, _isAccum ); |
| else |
| _rm = new ResultMergeLocalFile( _output, _inputs, _outputFName, _isAccum ); |
| |
| return _rm.executeParallelMerge(par); |
| } |
| } |