| /* |
| * 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.instructions.cp; |
| |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.apache.sysds.api.DMLScript; |
| import org.apache.sysds.common.Types.ExecMode; |
| import org.apache.sysds.hops.OptimizerUtils; |
| import org.apache.sysds.runtime.controlprogram.caching.CacheableData; |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysds.runtime.lineage.LineageTraceable; |
| import org.apache.sysds.runtime.lineage.LineageItem; |
| import org.apache.sysds.runtime.lineage.LineageItemUtils; |
| import org.apache.sysds.runtime.matrix.data.MatrixBlock; |
| import org.apache.sysds.runtime.matrix.operators.Operator; |
| |
| |
| public abstract class ComputationCPInstruction extends CPInstruction implements LineageTraceable { |
| |
| public final CPOperand output; |
| public final CPOperand input1, input2, input3; |
| |
| protected ComputationCPInstruction(CPType type, Operator op, CPOperand in1, CPOperand in2, CPOperand out, String opcode, |
| String istr) { |
| super(type, op, opcode, istr); |
| input1 = in1; |
| input2 = in2; |
| input3 = null; |
| output = out; |
| } |
| |
| protected ComputationCPInstruction(CPType type, Operator op, CPOperand in1, CPOperand in2, CPOperand in3, CPOperand out, |
| String opcode, String istr) { |
| super(type, op, opcode, istr); |
| input1 = in1; |
| input2 = in2; |
| input3 = in3; |
| output = out; |
| } |
| |
| public String getOutputVariableName() { |
| return output.getName(); |
| } |
| |
| public CPOperand getOutput(){ |
| return output; |
| } |
| |
| public CPOperand[] getInputs(){ |
| return new CPOperand[]{input1, input2, input3}; |
| } |
| |
| protected boolean checkGuardedRepresentationChange( MatrixBlock in1, MatrixBlock out ) { |
| return checkGuardedRepresentationChange(in1, null, out); |
| } |
| |
| protected boolean checkGuardedRepresentationChange( MatrixBlock in1, MatrixBlock in2, MatrixBlock out ) { |
| if( DMLScript.getGlobalExecMode() == ExecMode.SINGLE_NODE |
| && !CacheableData.isCachingActive() ) |
| return true; |
| double memIn1 = (in1 != null) ? in1.getInMemorySize() : 0; |
| double memIn2 = (in2 != null) ? in2.getInMemorySize() : 0; |
| double memReq = out.isInSparseFormat() ? |
| MatrixBlock.estimateSizeDenseInMemory(out.getNumRows(), out.getNumColumns()) : |
| MatrixBlock.estimateSizeSparseInMemory(out.getNumRows(), out.getNumColumns(), out.getSparsity()); |
| //guarded if mem requirements smaller than input sizes |
| return ( memReq < memIn1 + memIn2 |
| + OptimizerUtils.SAFE_REP_CHANGE_THRES ); //8MB |
| } |
| |
| @Override |
| public Pair<String, LineageItem> getLineageItem(ExecutionContext ec) { |
| return Pair.of(output.getName(), |
| new LineageItem(getOpcode(), LineageItemUtils.getLineage(ec, input1,input2,input3))); |
| } |
| } |