org.apache.sysml.runtime.instructions.mr.TernaryInstruction.java Source code

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Here is the source code for org.apache.sysml.runtime.instructions.mr.TernaryInstruction.java

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/*
 * 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.sysml.runtime.instructions.mr;

import java.util.Arrays;

import org.apache.commons.lang3.ArrayUtils;
import org.apache.sysml.runtime.instructions.InstructionUtils;
import org.apache.sysml.runtime.instructions.cp.CPOperand;
import org.apache.sysml.runtime.matrix.data.MatrixBlock;
import org.apache.sysml.runtime.matrix.data.MatrixIndexes;
import org.apache.sysml.runtime.matrix.data.MatrixValue;
import org.apache.sysml.runtime.matrix.mapred.CachedValueMap;
import org.apache.sysml.runtime.matrix.mapred.IndexedMatrixValue;
import org.apache.sysml.runtime.matrix.operators.Operator;
import org.apache.sysml.runtime.matrix.operators.TernaryOperator;

public class TernaryInstruction extends MRInstruction {

    private final CPOperand input1, input2, input3, output;
    private final byte ixinput1, ixinput2, ixinput3, ixoutput;
    private final MatrixBlock m1, m2, m3;

    private TernaryInstruction(Operator op, CPOperand in1, CPOperand in2, CPOperand in3, CPOperand out,
            String istr) {
        super(MRType.Ternary, op, Byte.parseByte(out.getName()));
        instString = istr;
        input1 = in1;
        input2 = in2;
        input3 = in3;
        output = out;
        ixinput1 = input1.isMatrix() ? Byte.parseByte(input1.getName()) : -1;
        ixinput2 = input2.isMatrix() ? Byte.parseByte(input2.getName()) : -1;
        ixinput3 = input3.isMatrix() ? Byte.parseByte(input3.getName()) : -1;
        ixoutput = output.isMatrix() ? Byte.parseByte(output.getName()) : -1;
        m1 = input1.isMatrix() ? null : new MatrixBlock(Double.parseDouble(input1.getName()));
        m2 = input2.isMatrix() ? null : new MatrixBlock(Double.parseDouble(input2.getName()));
        m3 = input3.isMatrix() ? null : new MatrixBlock(Double.parseDouble(input3.getName()));
    }

    public static TernaryInstruction parseInstruction(String str) {
        InstructionUtils.checkNumFields(str, 4);
        String[] parts = InstructionUtils.getInstructionPartsWithValueType(str);
        String opcode = parts[0];
        CPOperand in1 = new CPOperand(parts[1]);
        CPOperand in2 = new CPOperand(parts[2]);
        CPOperand in3 = new CPOperand(parts[3]);
        CPOperand out = new CPOperand(parts[4]);
        TernaryOperator op = InstructionUtils.parseTernaryOperator(opcode);
        return new TernaryInstruction(op, in1, in2, in3, out, str);
    }

    @Override
    public void processInstruction(Class<? extends MatrixValue> valueClass, CachedValueMap cachedValues,
            IndexedMatrixValue tempValue, IndexedMatrixValue zeroInput, int blockRowFactor, int blockColFactor) {
        MatrixBlock lm1 = input1.isMatrix() ? (MatrixBlock) cachedValues.getFirst(ixinput1).getValue() : m1;
        MatrixBlock lm2 = input2.isMatrix() ? (MatrixBlock) cachedValues.getFirst(ixinput2).getValue() : m2;
        MatrixBlock lm3 = input3.isMatrix() ? (MatrixBlock) cachedValues.getFirst(ixinput3).getValue() : m3;
        MatrixIndexes ixin = input1.isMatrix() ? cachedValues.getFirst(ixinput1).getIndexes()
                : input2.isMatrix() ? cachedValues.getFirst(ixinput2).getIndexes()
                        : cachedValues.getFirst(ixinput3).getIndexes();

        //prepare output
        IndexedMatrixValue out = new IndexedMatrixValue(new MatrixIndexes(), new MatrixBlock());
        out.getIndexes().setIndexes(ixin);

        //process instruction
        TernaryOperator op = (TernaryOperator) optr;
        lm1.ternaryOperations(op, lm2, lm3, (MatrixBlock) out.getValue());

        //put the output value in the cache
        cachedValues.add(ixoutput, out);
    }

    @Override
    public byte[] getInputIndexes() {
        byte[] tmp = getAllIndexes();
        return Arrays.copyOfRange(tmp, 0, tmp.length - 1);
    }

    @Override
    public byte[] getAllIndexes() {
        return ArrayUtils.toPrimitive(Arrays.stream(new CPOperand[] { input1, input2, input3, output })
                .filter(in -> in.isMatrix()).map(in -> Byte.parseByte(in.getName())).toArray(Byte[]::new));
    }
}