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

Example 1 with SAllReduce

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

the class SAllReduceExample method compute.

@Override
protected void compute(WorkerEnvironment workerEnv) {
    LogicalPlanBuilder logicalPlanBuilder = LogicalPlanBuilder.plan(jobParameters.getSources(), jobParameters.getTargets(), workerEnv).withFairDistribution();
    // create the communication
    reduce = new SAllReduce(workerEnv.getCommunicator(), logicalPlanBuilder, MessageTypes.INTEGER_ARRAY, new ReduceOperationFunction(Op.SUM, MessageTypes.INTEGER_ARRAY), new FinalSingularReceiver());
    Set<Integer> tasksOfExecutor = logicalPlanBuilder.getSourcesOnThisWorker();
    for (int t : tasksOfExecutor) {
        finishedSources.put(t, false);
    }
    sourcesDone = tasksOfExecutor.size() == 0;
    Set<Integer> targetTasksOfExecutor = logicalPlanBuilder.getTargetsOnThisWorker();
    for (int taskId : targetTasksOfExecutor) {
        if (logicalPlanBuilder.getTargets().contains(taskId)) {
            reduceDone = false;
        }
        if (workerId == 0) {
            receiverInWorker0 = taskId;
        }
    }
    this.resultsVerifier = new ResultsVerifier<>(inputDataArray, (array, args) -> {
        int sourcesCount = jobParameters.getTaskStages().get(0);
        return GeneratorUtils.multiplyIntArray(array, sourcesCount);
    }, IntArrayComparator.getInstance());
    // now initialize the workers
    for (int t : tasksOfExecutor) {
        // the map thread where data is produced
        Thread mapThread = new Thread(new MapWorker(t));
        mapThread.start();
    }
}