Examples with IsFrameBlockInRange org.apache.sysml.runtime.instructions.spark.functions.IsFrameBlockInRange used on opensource projects

Example 1 with IsFrameBlockInRange

use of org.apache.sysml.runtime.instructions.spark.functions.IsFrameBlockInRange in project incubator-systemml by apache.

the class FrameIndexingSPInstruction method processInstruction.

@Override
public void processInstruction(ExecutionContext ec) {
    SparkExecutionContext sec = (SparkExecutionContext) ec;
    String opcode = getOpcode();
    // get indexing range
    long rl = ec.getScalarInput(rowLower.getName(), rowLower.getValueType(), rowLower.isLiteral()).getLongValue();
    long ru = ec.getScalarInput(rowUpper.getName(), rowUpper.getValueType(), rowUpper.isLiteral()).getLongValue();
    long cl = ec.getScalarInput(colLower.getName(), colLower.getValueType(), colLower.isLiteral()).getLongValue();
    long cu = ec.getScalarInput(colUpper.getName(), colUpper.getValueType(), colUpper.isLiteral()).getLongValue();
    IndexRange ixrange = new IndexRange(rl, ru, cl, cu);
    // right indexing
    if (opcode.equalsIgnoreCase(RightIndex.OPCODE)) {
        // update and check output dimensions
        MatrixCharacteristics mcIn = sec.getMatrixCharacteristics(input1.getName());
        MatrixCharacteristics mcOut = sec.getMatrixCharacteristics(output.getName());
        mcOut.set(ru - rl + 1, cu - cl + 1, mcIn.getRowsPerBlock(), mcIn.getColsPerBlock());
        checkValidOutputDimensions(mcOut);
        // execute right indexing operation (partitioning-preserving if possible)
        JavaPairRDD<Long, FrameBlock> in1 = sec.getFrameBinaryBlockRDDHandleForVariable(input1.getName());
        JavaPairRDD<Long, FrameBlock> out = null;
        if (isPartitioningPreservingRightIndexing(mcIn, ixrange)) {
            out = in1.mapPartitionsToPair(new SliceBlockPartitionFunction(ixrange, mcOut), true);
        } else {
            out = in1.filter(new IsFrameBlockInRange(rl, ru, mcOut)).mapToPair(new SliceBlock(ixrange, mcOut));
        }
        // put output RDD handle into symbol table
        sec.setRDDHandleForVariable(output.getName(), out);
        sec.addLineageRDD(output.getName(), input1.getName());
        // update schema of output with subset of input schema
        sec.getFrameObject(output.getName()).setSchema(sec.getFrameObject(input1.getName()).getSchema((int) cl, (int) cu));
    } else // left indexing
    if (opcode.equalsIgnoreCase(LeftIndex.OPCODE) || opcode.equalsIgnoreCase("mapLeftIndex")) {
        JavaPairRDD<Long, FrameBlock> in1 = sec.getFrameBinaryBlockRDDHandleForVariable(input1.getName());
        PartitionedBroadcast<FrameBlock> broadcastIn2 = null;
        JavaPairRDD<Long, FrameBlock> in2 = null;
        JavaPairRDD<Long, FrameBlock> out = null;
        // update and check output dimensions
        MatrixCharacteristics mcOut = sec.getMatrixCharacteristics(output.getName());
        MatrixCharacteristics mcLeft = ec.getMatrixCharacteristics(input1.getName());
        mcOut.set(mcLeft.getRows(), mcLeft.getCols(), mcLeft.getRowsPerBlock(), mcLeft.getColsPerBlock());
        checkValidOutputDimensions(mcOut);
        // note: always frame rhs, scalars are preprocessed via cast to 1x1 frame
        MatrixCharacteristics mcRight = ec.getMatrixCharacteristics(input2.getName());
        // sanity check matching index range and rhs dimensions
        if (!mcRight.dimsKnown()) {
            throw new DMLRuntimeException("The right input frame dimensions are not specified for FrameIndexingSPInstruction");
        }
        if (!(ru - rl + 1 == mcRight.getRows() && cu - cl + 1 == mcRight.getCols())) {
            throw new DMLRuntimeException("Invalid index range of leftindexing: [" + rl + ":" + ru + "," + cl + ":" + cu + "] vs [" + mcRight.getRows() + "x" + mcRight.getCols() + "].");
        }
        if (opcode.equalsIgnoreCase("mapLeftIndex")) {
            broadcastIn2 = sec.getBroadcastForFrameVariable(input2.getName());
            // partitioning-preserving mappartitions (key access required for broadcast loopkup)
            out = in1.mapPartitionsToPair(new LeftIndexPartitionFunction(broadcastIn2, ixrange, mcOut), true);
        } else {
            // general case
            // zero-out lhs
            in1 = in1.flatMapToPair(new ZeroOutLHS(false, ixrange, mcLeft));
            // slice rhs, shift and merge with lhs
            in2 = sec.getFrameBinaryBlockRDDHandleForVariable(input2.getName()).flatMapToPair(new SliceRHSForLeftIndexing(ixrange, mcLeft));
            out = FrameRDDAggregateUtils.mergeByKey(in1.union(in2));
        }
        sec.setRDDHandleForVariable(output.getName(), out);
        sec.addLineageRDD(output.getName(), input1.getName());
        if (broadcastIn2 != null)
            sec.addLineageBroadcast(output.getName(), input2.getName());
        if (in2 != null)
            sec.addLineageRDD(output.getName(), input2.getName());
    } else
        throw new DMLRuntimeException("Invalid opcode (" + opcode + ") encountered in FrameIndexingSPInstruction.");
}

Example 2 with IsFrameBlockInRange

use of org.apache.sysml.runtime.instructions.spark.functions.IsFrameBlockInRange in project systemml by apache.

the class FrameIndexingSPInstruction method processInstruction.

@Override
public void processInstruction(ExecutionContext ec) {
    SparkExecutionContext sec = (SparkExecutionContext) ec;
    String opcode = getOpcode();
    // get indexing range
    long rl = ec.getScalarInput(rowLower.getName(), rowLower.getValueType(), rowLower.isLiteral()).getLongValue();
    long ru = ec.getScalarInput(rowUpper.getName(), rowUpper.getValueType(), rowUpper.isLiteral()).getLongValue();
    long cl = ec.getScalarInput(colLower.getName(), colLower.getValueType(), colLower.isLiteral()).getLongValue();
    long cu = ec.getScalarInput(colUpper.getName(), colUpper.getValueType(), colUpper.isLiteral()).getLongValue();
    IndexRange ixrange = new IndexRange(rl, ru, cl, cu);
    // right indexing
    if (opcode.equalsIgnoreCase(RightIndex.OPCODE)) {
        // update and check output dimensions
        MatrixCharacteristics mcIn = sec.getMatrixCharacteristics(input1.getName());
        MatrixCharacteristics mcOut = sec.getMatrixCharacteristics(output.getName());
        mcOut.set(ru - rl + 1, cu - cl + 1, mcIn.getRowsPerBlock(), mcIn.getColsPerBlock());
        checkValidOutputDimensions(mcOut);
        // execute right indexing operation (partitioning-preserving if possible)
        JavaPairRDD<Long, FrameBlock> in1 = sec.getFrameBinaryBlockRDDHandleForVariable(input1.getName());
        JavaPairRDD<Long, FrameBlock> out = null;
        if (isPartitioningPreservingRightIndexing(mcIn, ixrange)) {
            out = in1.mapPartitionsToPair(new SliceBlockPartitionFunction(ixrange, mcOut), true);
        } else {
            out = in1.filter(new IsFrameBlockInRange(rl, ru, mcOut)).mapToPair(new SliceBlock(ixrange, mcOut));
        }
        // put output RDD handle into symbol table
        sec.setRDDHandleForVariable(output.getName(), out);
        sec.addLineageRDD(output.getName(), input1.getName());
        // update schema of output with subset of input schema
        sec.getFrameObject(output.getName()).setSchema(sec.getFrameObject(input1.getName()).getSchema((int) cl, (int) cu));
    } else // left indexing
    if (opcode.equalsIgnoreCase(LeftIndex.OPCODE) || opcode.equalsIgnoreCase("mapLeftIndex")) {
        JavaPairRDD<Long, FrameBlock> in1 = sec.getFrameBinaryBlockRDDHandleForVariable(input1.getName());
        PartitionedBroadcast<FrameBlock> broadcastIn2 = null;
        JavaPairRDD<Long, FrameBlock> in2 = null;
        JavaPairRDD<Long, FrameBlock> out = null;
        // update and check output dimensions
        MatrixCharacteristics mcOut = sec.getMatrixCharacteristics(output.getName());
        MatrixCharacteristics mcLeft = ec.getMatrixCharacteristics(input1.getName());
        mcOut.set(mcLeft.getRows(), mcLeft.getCols(), mcLeft.getRowsPerBlock(), mcLeft.getColsPerBlock());
        checkValidOutputDimensions(mcOut);
        // note: always frame rhs, scalars are preprocessed via cast to 1x1 frame
        MatrixCharacteristics mcRight = ec.getMatrixCharacteristics(input2.getName());
        // sanity check matching index range and rhs dimensions
        if (!mcRight.dimsKnown()) {
            throw new DMLRuntimeException("The right input frame dimensions are not specified for FrameIndexingSPInstruction");
        }
        if (!(ru - rl + 1 == mcRight.getRows() && cu - cl + 1 == mcRight.getCols())) {
            throw new DMLRuntimeException("Invalid index range of leftindexing: [" + rl + ":" + ru + "," + cl + ":" + cu + "] vs [" + mcRight.getRows() + "x" + mcRight.getCols() + "].");
        }
        if (opcode.equalsIgnoreCase("mapLeftIndex")) {
            broadcastIn2 = sec.getBroadcastForFrameVariable(input2.getName());
            // partitioning-preserving mappartitions (key access required for broadcast loopkup)
            out = in1.mapPartitionsToPair(new LeftIndexPartitionFunction(broadcastIn2, ixrange, mcOut), true);
        } else {
            // general case
            // zero-out lhs
            in1 = in1.flatMapToPair(new ZeroOutLHS(false, ixrange, mcLeft));
            // slice rhs, shift and merge with lhs
            in2 = sec.getFrameBinaryBlockRDDHandleForVariable(input2.getName()).flatMapToPair(new SliceRHSForLeftIndexing(ixrange, mcLeft));
            out = FrameRDDAggregateUtils.mergeByKey(in1.union(in2));
        }
        sec.setRDDHandleForVariable(output.getName(), out);
        sec.addLineageRDD(output.getName(), input1.getName());
        if (broadcastIn2 != null)
            sec.addLineageBroadcast(output.getName(), input2.getName());
        if (in2 != null)
            sec.addLineageRDD(output.getName(), input2.getName());
    } else
        throw new DMLRuntimeException("Invalid opcode (" + opcode + ") encountered in FrameIndexingSPInstruction.");
}