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

Example 1 with BAllReduce

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

the class BAllReduceExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    Integer noOfSourceTasks = jobParameters.getTaskStages().get(0);
    Set<Integer> sources = IntStream.range(0, noOfSourceTasks).boxed().collect(Collectors.toSet());
    int noOfTargetTasks = jobParameters.getTaskStages().get(1);
    Set<Integer> targets = IntStream.range(noOfSourceTasks, noOfTargetTasks + noOfSourceTasks).boxed().collect(Collectors.toSet());
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv).withFairDistribution();
    // create the communication
    reduce = new BAllReduce(workerEnv.getCommunicator(), logicalPlanBuilder, new ReduceOperationFunction(Op.SUM, MessageTypes.INTEGER_ARRAY), new FinalSingularReceiver(), MessageTypes.INTEGER_ARRAY);
    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) -> GeneratorUtils.multiplyIntArray(ints, jobParameters.getIterations() * sources.size()), IntArrayComparator.getInstance());
    LOG.log(Level.INFO, String.format("%d Sources %s target %s this %s", workerId, sources, targets, tasksOfExecutor));
    // now initialize the workers
    for (int t : tasksOfExecutor) {
        // the map thread where data is produced
        Thread mapThread = new Thread(new BenchWorker.MapWorker(t));
        mapThread.start();
    }
}