Examples with ArrowTable edu.iu.dsc.tws.common.table.arrow.ArrowTable used on opensource projects

Example 1 with ArrowTable

use of edu.iu.dsc.tws.common.table.arrow.ArrowTable in project twister2 by DSC-SPIDAL.

the class BTAllToAll method execute.

@Override
public void execute(Config config, JobAPI.Job job, IWorkerController workerController, IPersistentVolume persistentVolume, IVolatileVolume volatileVolume) {
    this.jobParameters = JobParameters.build(config);
    // create a worker environment
    this.wEnv = WorkerEnvironment.init(config, job, workerController, persistentVolume, volatileVolume);
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), wEnv).withFairDistribution();
    RootAllocator rootAllocator = new RootAllocator();
    IntVector intVector = new IntVector("fist", rootAllocator);
    Float8Vector float8Vector = new Float8Vector("second", rootAllocator);
    for (int i = 0; i < 1000; i++) {
        intVector.setSafe(i, i);
        float8Vector.setSafe(i, i);
    }
    intVector.setValueCount(1000);
    float8Vector.setValueCount(1000);
    List<Field> fieldList = Arrays.asList(intVector.getField(), float8Vector.getField());
    Schema schema = new Schema(fieldList);
    Table t = new ArrowTable(schema, Arrays.asList(new FieldVector[] { intVector, float8Vector }));
    allToAll = new ArrowAllToAll(wEnv.getConfig(), wEnv.getWorkerController(), logicalPlanBuilder.getSources(), logicalPlanBuilder.getTargets(), logicalPlanBuilder.build(), wEnv.getCommunicator().nextEdge(), new ArrowReceiver(), schema, rootAllocator);
    for (int i : logicalPlanBuilder.getTargets()) {
        allToAll.insert(t, i);
    }
    for (int s : logicalPlanBuilder.getSourcesOnThisWorker()) {
        allToAll.finish(s);
    }
    while (!allToAll.isComplete()) {
    // wait
    }
}

Example 2 with ArrowTable

use of edu.iu.dsc.tws.common.table.arrow.ArrowTable in project twister2 by DSC-SPIDAL.

the class ArrowAllToAll method onReceive.

@Override
public void onReceive(int source, ChannelBuffer buffer, int length) {
    PendingReceiveTable table = receives.get(source);
    receivedBuffers++;
    ArrowBuf buf = ((ArrowChannelBuffer) buffer).getArrowBuf();
    table.buffers.add(buf);
    if (table.bufferIndex == 0) {
        table.fieldNodes.add(new ArrowFieldNode(table.noArray, 0));
    }
    VectorSchemaRoot schemaRoot = table.root;
    List<FieldVector> fieldVectors = schemaRoot.getFieldVectors();
    // we received everything for this array
    if (table.noBuffers == table.bufferIndex + 1) {
        FieldVector fieldVector = fieldVectors.get(table.columnIndex);
        loadBuffers(fieldVector, fieldVector.getField(), table.buffers.iterator(), table.fieldNodes.iterator());
        table.arrays.add(fieldVector);
        table.buffers.clear();
        if (table.arrays.size() == schemaRoot.getFieldVectors().size()) {
            List<ArrowColumn> columns = new ArrayList<>();
            // create the table
            for (FieldVector v : fieldVectors) {
                ArrowColumn c;
                if (v instanceof BaseFixedWidthVector) {
                    if (v instanceof IntVector) {
                        c = new Int4Column((IntVector) v);
                    } else if (v instanceof Float4Vector) {
                        c = new Float4Column((Float4Vector) v);
                    } else if (v instanceof Float8Vector) {
                        c = new Float8Column((Float8Vector) v);
                    } else if (v instanceof UInt8Vector) {
                        c = new Int8Column((UInt8Vector) v);
                    } else if (v instanceof UInt2Vector) {
                        c = new UInt2Column((UInt2Vector) v);
                    } else {
                        throw new RuntimeException("Un-supported type : " + v.getClass().getName());
                    }
                } else if (v instanceof BaseVariableWidthVector) {
                    if (v instanceof VarCharVector) {
                        c = new StringColumn((VarCharVector) v);
                    } else if (v instanceof VarBinaryVector) {
                        c = new BinaryColumn((VarBinaryVector) v);
                    } else {
                        throw new RuntimeException("Un-supported type : " + v.getClass().getName());
                    }
                } else {
                    throw new RuntimeException("Un-supported type : " + v.getClass().getName());
                }
                columns.add(c);
            }
            Table t = new ArrowTable(schemaRoot.getSchema(), table.noArray, columns);
            LOG.info("Received table from source " + source + " to " + table.target + " count" + t.rowCount());
            recvCallback.onReceive(source, table.target, t);
            table.clear();
        }
    }
}