Examples with SAllGather edu.iu.dsc.tws.comms.stream.SAllGather used on opensource projects

Example 1 with SAllGather

use of edu.iu.dsc.tws.comms.stream.SAllGather in project twister2 by DSC-SPIDAL.

the class SAllGatherExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv).withFairDistribution();
    // create the communication
    gather = new SAllGather(workerEnv.getCommunicator(), logicalPlanBuilder, new FinalReduceReceiver(), MessageTypes.INTEGER_ARRAY);
    Set<Integer> sourceTasksOfExecutor = logicalPlanBuilder.getSourcesOnThisWorker();
    for (int t : sourceTasksOfExecutor) {
        finishedSources.put(t, false);
    }
    if (sourceTasksOfExecutor.size() == 0) {
        sourcesDone = true;
    }
    Set<Integer> targetTasksOfExecutor = logicalPlanBuilder.getTargetsOnThisWorker();
    for (int taskId : targetTasksOfExecutor) {
        if (logicalPlanBuilder.getTargets().contains(taskId)) {
            gatherDone = false;
            if (workerId == 0) {
                receiverInWorker0 = taskId;
            }
        }
    }
    this.resultsVerifier = new ResultsVerifier<>(inputDataArray, (dataArray, args) -> {
        List<Tuple<Integer, int[]>> listOfArrays = new ArrayList<>();
        for (int i = 0; i < logicalPlanBuilder.getSources().size(); i++) {
            listOfArrays.add(new Tuple<>(i, dataArray));
        }
        return listOfArrays.iterator();
    }, new IteratorComparator<>(new TupleComparator<>(IntComparator.getInstance(), IntArrayComparator.getInstance())));
    // now initialize the workers
    for (int t : sourceTasksOfExecutor) {
        // the map thread where data is produced
        Thread mapThread = new Thread(new BenchWorker.MapWorker(t));
        mapThread.start();
    }
}