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

Example 1 with BGather

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

the class BGatherExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    if (jobParameters.getTargets() != 1) {
        LOG.warning("Setting no of targets to 1. Found " + jobParameters.getTargets());
        jobParameters.getTaskStages().set(1, 1);
    }
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv);
    // create the communication
    gather = new BGather(workerEnv.getCommunicator(), logicalPlanBuilder, MessageTypes.INTEGER_ARRAY, new FinalReduceReceiver(), false);
    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) -> {
        List<Tuple<Integer, int[]>> expectedData = new ArrayList<>();
        for (Integer source : logicalPlanBuilder.getSources()) {
            for (int i = 0; i < jobParameters.getTotalIterations(); i++) {
                expectedData.add(new Tuple<>(source, ints));
            }
        }
        return expectedData.iterator();
    }, new IteratorComparator<>(new TupleComparator<>(IntComparator.getInstance(), IntArrayComparator.getInstance())));
    LOG.log(Level.INFO, String.format("%d Sources %s target %d this %s", workerId, logicalPlanBuilder.getSources(), logicalPlanBuilder.getTargets().iterator().next(), 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();
    }
}