@Override
public final void compute() {
inboundAggregationStorages.clear();
if (numPhases == 1) {
internalCompute();
} else {
currentPhase = (int) (super.getSuperstep() % numPhases);
LOG.info("MASTER: Real SS" + super.getSuperstep());
LOG.info("MASTER: Fake SS" + getSuperstep());
LOG.info("MASTER: Phase" + currentPhase);
if (currentPhase == 1) {
internalCompute();
for (String registeredAggregatorName : registeredAggregatorNames) {
Writable value = super.getAggregatedValue(registeredAggregatorName);
savedAggregatorValues.put(registeredAggregatorName, value);
setAggregatedValue(registeredAggregatorName, null);
}
} else if (currentPhase == 0) {
for (Map.Entry<String, Writable> savedAggregatorValuesEntry :
savedAggregatorValues.entrySet()) {
setAggregatedValue(
savedAggregatorValuesEntry.getKey(), savedAggregatorValuesEntry.getValue());
}
savedAggregatorValues.clear();
}
}
}
@Override
public void initialize() throws InstantiationException, IllegalAccessException {
// If we run with separate master, we need to initialize the worker context
// ourselves because a worker context is never created (and the worker context
// is the one that initializes our configuration according to the user settings).
WorkerContext workerContext = (WorkerContext) getConf().createWorkerContext();
workerContext.setConf(getConf());
Configuration conf = Configuration.get();
CommunicationStrategy communicationStrategy =
conf.createCommunicationStrategy(conf, null, workerContext);
numPhases = communicationStrategy.getNumPhases();
registeredAggregatorNames = new ArrayList<>();
savedAggregatorValues = new HashMap<>();
registerAggregator(AGG_EMBEDDINGS_GENERATED, LongSumAggregator.class);
registerAggregator(AGG_EMBEDDINGS_PROCESSED, LongSumAggregator.class);
registerAggregator(AGG_PROCESSED_SIZE_ODAG, LongMaxAggregator.class);
registerAggregator(AGG_PROCESSED_SIZE_CACHE, LongSumAggregator.class);
registerAggregator(AGG_CHILDREN_EVALUATED, LongSumAggregator.class);
registerAggregator(AGG_EMBEDDINGS_OUTPUT, LongSumAggregator.class);
Computation<?> computation = conf.createComputation();
computation.initAggregations();
Map<String, AggregationStorageMetadata> registeredAggregationStorages =
conf.getAggregationsMetadata();
LOG.info("Registered aggregation storages: " + registeredAggregationStorages);
for (Map.Entry<String, AggregationStorageMetadata> entry :
registeredAggregationStorages.entrySet()) {
String aggName = entry.getKey();
AggregationStorageMetadata aggStorageMetadata = entry.getValue();
registerAggregationStore(aggName, aggStorageMetadata);
}
masterComputation = conf.createMasterComputation();
masterComputation.setUnderlyingExecutionEngine(this);
masterComputation.init();
}
