| /* |
| * 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.sysds.hops.OptimizerUtils; |
| import org.apache.sysds.runtime.compress.CompressedMatrixBlockFactory; |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysds.runtime.instructions.InstructionUtils; |
| import org.apache.sysds.runtime.matrix.data.MatrixBlock; |
| import org.apache.sysds.runtime.matrix.operators.Operator; |
| |
| public class CompressionCPInstruction extends ComputationCPInstruction { |
| |
| private CompressionCPInstruction(Operator op, CPOperand in, CPOperand out, String opcode, String istr) { |
| super(CPType.Compression, op, in, null, null, out, opcode, istr); |
| } |
| |
| public static CompressionCPInstruction parseInstruction(String str) { |
| String[] parts = InstructionUtils.getInstructionPartsWithValueType(str); |
| String opcode = parts[0]; |
| CPOperand in1 = new CPOperand(parts[1]); |
| CPOperand out = new CPOperand(parts[2]); |
| return new CompressionCPInstruction(null, in1, out, opcode, str); |
| } |
| |
| @Override |
| public void processInstruction(ExecutionContext ec) { |
| // Get matrix block input |
| MatrixBlock in = ec.getMatrixInput(input1.getName()); |
| // Compress the matrix block |
| MatrixBlock out = CompressedMatrixBlockFactory.compress(in, OptimizerUtils.getConstrainedNumThreads(-1)).getLeft(); |
| // Set output and release input |
| ec.releaseMatrixInput(input1.getName()); |
| ec.setMatrixOutput(output.getName(), out); |
| } |
| } |