| /* |
| * 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.lops; |
| |
| |
| import org.apache.sysds.lops.LopProperties.ExecType; |
| |
| import org.apache.sysds.common.Types.DataType; |
| import org.apache.sysds.common.Types.ValueType; |
| |
| |
| public class MapMultChain extends Lop |
| { |
| public static final String OPCODE = "mapmmchain"; |
| public static final String OPCODE_CP = "mmchain"; |
| |
| public enum ChainType { |
| XtXv, //(t(X) %*% (X %*% v)) |
| XtwXv, //(t(X) %*% (w * (X %*% v))) |
| XtXvy, //(t(X) %*% ((X %*% v) - y)) |
| NONE; |
| public boolean isWeighted() { |
| return this == XtwXv || this == ChainType.XtXvy; |
| } |
| } |
| |
| private ChainType _chainType = null; |
| private int _numThreads = 1; |
| |
| /** |
| * Constructor to setup a map mult chain without weights |
| * |
| * @param input1 low-level operator 1 |
| * @param input2 low-level operator 2 |
| * @param dt data type |
| * @param vt value type |
| * @param et execution type |
| */ |
| public MapMultChain(Lop input1, Lop input2, DataType dt, ValueType vt, ExecType et) { |
| super(Lop.Type.MapMultChain, dt, vt); |
| addInput(input1); //X |
| addInput(input2); //v |
| input1.addOutput(this); |
| input2.addOutput(this); |
| |
| //setup mapmult parameters |
| _chainType = ChainType.XtXv; |
| setupLopProperties(et); |
| } |
| |
| /** |
| * Constructor to setup a map mult chain with weights |
| * |
| * @param input1 low-level operator 1 |
| * @param input2 low-level operator 2 |
| * @param input3 low-level operator 3 |
| * @param chain chain type |
| * @param dt data type |
| * @param vt value type |
| * @param et execution type |
| */ |
| public MapMultChain(Lop input1, Lop input2, Lop input3, ChainType chain, DataType dt, ValueType vt, ExecType et) { |
| super(Lop.Type.MapMultChain, dt, vt); |
| addInput(input1); //X |
| addInput(input2); //w |
| addInput(input3); //v |
| input1.addOutput(this); |
| input2.addOutput(this); |
| input3.addOutput(this); |
| |
| //setup mapmult parameters |
| _chainType = chain; |
| setupLopProperties(et); |
| } |
| |
| public void setNumThreads(int k) { |
| _numThreads = k; |
| } |
| |
| @Override |
| public String toString() { |
| return "Operation = MapMMChain"; |
| } |
| |
| @Override |
| public String getInstructions(String input1, String input2, String output) { |
| return getInstructions(input1, input2, null, output); |
| } |
| |
| @Override |
| public String getInstructions(String input1, String input2, String input3, String output) |
| { |
| //Spark instruction XtwXv |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append(getExecType()); |
| sb.append(Lop.OPERAND_DELIMITOR); |
| |
| if( getExecType()==ExecType.CP ) |
| sb.append(OPCODE_CP); |
| else |
| sb.append(OPCODE); |
| |
| sb.append(Lop.OPERAND_DELIMITOR); |
| sb.append( getInputs().get(0).prepInputOperand(input1)); |
| |
| sb.append(Lop.OPERAND_DELIMITOR); |
| sb.append( getInputs().get(1).prepInputOperand(input2)); |
| |
| if( input3 != null ) { |
| sb.append(Lop.OPERAND_DELIMITOR); |
| sb.append( getInputs().get(2).prepInputOperand(input3)); |
| } |
| |
| sb.append(Lop.OPERAND_DELIMITOR); |
| sb.append(prepOutputOperand(output)); |
| |
| sb.append(Lop.OPERAND_DELIMITOR); |
| sb.append(_chainType); |
| |
| //append degree of parallelism for matrix multiplications |
| if( getExecType()==ExecType.CP ) { |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( _numThreads ); |
| } |
| |
| return sb.toString(); |
| } |
| } |