Examples with BKeyedGather edu.iu.dsc.tws.comms.batch.BKeyedGather used on opensource projects

Example 1 with BKeyedGather

use of edu.iu.dsc.tws.comms.batch.BKeyedGather in project twister2 by DSC-SPIDAL.

the class BKeyedGatherExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv);
    // create the communication
    keyedGather = new BKeyedGather(workerEnv.getCommunicator(), logicalPlanBuilder, MessageTypes.INTEGER, MessageTypes.INTEGER_ARRAY, new FinalReduceReceiver(), new SimpleKeyBasedSelector());
    Set<Integer> tasksOfExecutor = logicalPlanBuilder.getSourcesOnThisWorker();
    for (int t : tasksOfExecutor) {
        finishedSources.put(t, false);
    }
    if (tasksOfExecutor.size() == 0) {
        sourcesDone = true;
    }
    this.resultsVerifier = new ResultsVerifier<>(inputDataArray, (ints, args) -> {
        int lowestTarget = logicalPlanBuilder.getTargets().stream().min(Comparator.comparingInt(o -> (Integer) o)).get();
        int target = Integer.valueOf(args.get("target").toString());
        Set<Integer> keysRoutedToThis = new HashSet<>();
        for (int i = 0; i < jobParameters.getTotalIterations(); i++) {
            if (i % logicalPlanBuilder.getTargets().size() == target - lowestTarget) {
                keysRoutedToThis.add(i);
            }
        }
        List<int[]> dataForEachKey = new ArrayList<>();
        for (int i = 0; i < logicalPlanBuilder.getSources().size(); i++) {
            dataForEachKey.add(ints);
        }
        List<Tuple<Integer, Iterator<int[]>>> expectedData = new ArrayList<>();
        for (Integer key : keysRoutedToThis) {
            expectedData.add(new Tuple<>(key, dataForEachKey.iterator()));
        }
        return expectedData.iterator();
    }, new IteratorComparator<>(new TupleComparator<>(// any int
    (d1, d2) -> true, new IteratorComparator<>(IntArrayComparator.getInstance()))));
    LOG.log(Level.INFO, String.format("%d Sources %s target %d this %s", workerId, logicalPlanBuilder.getSources(), 1, tasksOfExecutor));
    // now initialize the workers
    for (int t : tasksOfExecutor) {
        // the map thread where data is produced
        Thread mapThread = new Thread(new MapWorker(t));
        mapThread.start();
    }
}

Example 2 with BKeyedGather

use of edu.iu.dsc.tws.comms.batch.BKeyedGather in project twister2 by DSC-SPIDAL.

the class BDKeyedGatherExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    Set<Integer> sources = new HashSet<>();
    Integer noOfSourceTasks = jobParameters.getTaskStages().get(0);
    for (int i = 0; i < noOfSourceTasks; i++) {
        sources.add(i);
    }
    Set<Integer> targets = new HashSet<>();
    Integer noOfTargetTasks = jobParameters.getTaskStages().get(1);
    for (int i = 0; i < noOfTargetTasks; i++) {
        targets.add(noOfSourceTasks + i);
    }
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv).withFairDistribution();
    // create the communication
    keyedGather = new BKeyedGather(workerEnv.getCommunicator(), logicalPlanBuilder, MessageTypes.INTEGER, MessageTypes.INTEGER_ARRAY, new FinalReduceReceiver(), new SimpleKeyBasedSelector(), true, Comparator.comparingInt(o -> (Integer) o), true);
    Set<Integer> tasksOfExecutor = logicalPlanBuilder.getSourcesOnThisWorker();
    for (int t : tasksOfExecutor) {
        finishedSources.put(t, false);
    }
    if (tasksOfExecutor.size() == 0) {
        sourcesDone = true;
    }
    this.resultsVerifier = new ResultsVerifier<>(inputDataArray, (ints, args) -> {
        int lowestTarget = targets.stream().min(Comparator.comparingInt(o -> (Integer) o)).get();
        int target = Integer.valueOf(args.get("target").toString());
        Set<Integer> keysRoutedToThis = new HashSet<>();
        for (int i = 0; i < jobParameters.getTotalIterations(); i++) {
            if (i % targets.size() == target - lowestTarget) {
                keysRoutedToThis.add(i);
            }
        }
        List<int[]> dataForEachKey = new ArrayList<>();
        for (int i = 0; i < sources.size(); i++) {
            dataForEachKey.add(ints);
        }
        List<Tuple<Integer, Iterator<int[]>>> expectedData = new ArrayList<>();
        for (Integer key : keysRoutedToThis) {
            expectedData.add(new Tuple<>(key, dataForEachKey.iterator()));
        }
        return expectedData.iterator();
    }, new IteratorComparator<>(new TupleComparator<>(// any int
    (d1, d2) -> true, new IteratorComparator<>(IntArrayComparator.getInstance()))));
    LOG.log(Level.INFO, String.format("%d Sources %s target %d this %s", workerId, sources, 1, tasksOfExecutor));
    // now initialize the workers
    for (int t : tasksOfExecutor) {
        // the map thread where data is produced
        MapWorker mapWorker = new MapWorker(t);
        mapWorker.setTimingForLowestTargetOnly(true);
        Thread mapThread = new Thread(mapWorker);
        mapThread.start();
    }
}

Example 3 with BKeyedGather

use of edu.iu.dsc.tws.comms.batch.BKeyedGather in project twister2 by DSC-SPIDAL.

the class SortJob method execute.

@Override
public void execute(Config cfg, JobAPI.Job job, IWorkerController workerController, IPersistentVolume persistentVolume, IVolatileVolume volatileVolume) {
    int workerID = workerController.getWorkerInfo().getWorkerID();
    // create a worker environment & setup the network
    WorkerEnvironment workerEnv = WorkerEnvironment.init(cfg, job, workerController, persistentVolume, volatileVolume);
    int noOfSources = cfg.getIntegerValue(ARG_TASKS_SOURCES, 4);
    int noOfTargets = cfg.getIntegerValue(ARG_TASKS_SINKS, 4);
    taskStages.add(noOfSources);
    taskStages.add(noOfTargets);
    // lets create the task plan
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(taskStages.get(0), taskStages.get(1), workerEnv).withFairDistribution();
    int valueSize = cfg.getIntegerValue(SortJob.ARG_VALUE_SIZE, 90);
    int keySize = cfg.getIntegerValue(SortJob.ARG_KEY_SIZE, 10);
    MessageSchema schema = MessageSchema.noSchema();
    if (cfg.getBooleanValue(ARG_FIXED_SCHEMA, false)) {
        LOG.info("Using fixed schema feature with message size : " + (keySize + valueSize) + " and key size : " + keySize);
        schema = MessageSchema.ofSize(keySize + valueSize, keySize);
    }
    gather = new BKeyedGather(workerEnv.getCommunicator(), logicalPlanBuilder, MessageTypes.BYTE_ARRAY, MessageTypes.BYTE_ARRAY, new RecordSave(), new ByteSelector(), true, new IntegerComparator(), true, schema);
    int thisSource = logicalPlanBuilder.getSourcesOnThisWorker().iterator().next();
    RecordSource source = new RecordSource(cfg, workerID, gather, thisSource);
    long start = System.currentTimeMillis();
    // run until we send
    source.run();
    // wait until we receive
    progress();
    LOG.info("Time: " + (System.currentTimeMillis() - start));
}