public void iterate()
{
IList <IKVPairInstance <IKey, IValue> > buffer;
object buffer_obj;
CompletedStatus status;
Console.WriteLine(this.GlobalRank + ": STARTING SPLITTER ITERATE...1");
output_instance = (IIteratorInstance <IKVPair <IKey, IIterator <IValue> > >)Output.Instance;
Feed_pairs.Server = output_instance;
Console.WriteLine(this.GlobalRank + ": STARTING SPLITTER ITERATE...2");
IDictionary <int, Tuple <int, int> > unit_ref = new Dictionary <int, Tuple <int, int> > ();
Console.WriteLine(this.GlobalRank + ": STARTING SPLITTER ...3");
// RECEIVE PAIRS FROM THE REDUCERS (next iterations)
int senders_size = 0;
foreach (int i in this.FacetIndexes[FACET_REDUCE])
{
Console.WriteLine(this.GlobalRank + ": STARTING SPLITTER ...4 -- i=" + i);
int nr0 = senders_size;
senders_size += this.UnitSizeInFacet [i] ["gusty_collector"];
for (int k = 0, j = nr0; j < senders_size; k++, j++)
{
unit_ref [j] = new Tuple <int, int> (i, k);
}
}
bool end_computation = false;
while (!end_computation)
{
end_computation = true;
int count_finished_streams = 0;
while (count_finished_streams < senders_size)
{
IActionFuture sync_perform;
Console.WriteLine(this.Rank + ": SPLITTER MAP FEEDER NEXT 1");
Task_binding_split_next.invoke(ITaskPortAdvance.READ_CHUNK);
Task_binding_split_next.invoke(ITaskPortAdvance.PERFORM, out sync_perform);
IDictionary <object, IIteratorInstance <IValue> > kv_cache = new Dictionary <object, IIteratorInstance <IValue> > ();
Console.WriteLine(this.Rank + ": SPLITTER MAP FEEDER NEXT 2");
for (int i = 0; i < senders_size; i++)
{
Console.WriteLine(this.Rank + ": SPLITTER MAP FEEDER NEXT LOOP - before receive");
Split_channel.Receive(unit_ref [i], MPI.Communicator.anyTag, out buffer_obj, out status);
Console.WriteLine(this.Rank + ": CHUNK PAIRS RECEIVED !!! from gusty_collector of index " + i + " / count_finished_streams=" + count_finished_streams);
if (status.Tag == TAG_SPLIT_END_CHUNK)
{
count_finished_streams++;
}
else
{
end_computation = false;
}
try {
buffer = (IList <IKVPairInstance <IKey, IValue> >)buffer_obj;
//foreach (IKVPairInstance<IKey,IValue> kv in buffer)
// output_instance.put (kv);
foreach (IKVPairInstance <IKey, IValue> kv in buffer)
{
IIteratorInstance <IValue> iterator = null;
if (!kv_cache.ContainsKey(kv.Key))
{
iterator = Value_factory.newIteratorInstance();
kv_cache.Add(kv.Key, iterator);
IKVPairInstance <IKey, IIterator <IValue> > item = (IKVPairInstance <IKey, IIterator <IValue> >)Output.createItem();
item.Key = kv.Key;
item.Value = iterator;
output_instance.put(item);
}
else
{
kv_cache.TryGetValue(kv.Key, out iterator);
}
iterator.put(kv.Value);
}
} catch (InvalidCastException e) {
Console.WriteLine("SPLITTER MAPPER: incompatible input !");
count_finished_streams++;
}
}
output_instance.finish();
foreach (IIteratorInstance <IValue> iterator in kv_cache.Values)
{
iterator.finish();
}
Console.WriteLine(this.Rank + ": SPLITTER MAP FEEDER NEXT 3");
sync_perform.wait();
Console.WriteLine(this.Rank + ": SPLITTER MAP FEEDER NEXT 4");
// CHUNK_READY
Task_binding_split_next.invoke(ITaskPortAdvance.CHUNK_READY);
Console.WriteLine(this.Rank + ": SPLITTER MAP FEEDER NEXT 5");
}
}
Console.WriteLine(this.Rank + ": SPLITTER MAP FEEDER FINISH 1 !");
Task_binding_data.invoke(ITaskPortData.TERMINATE);
Task_binding_data.invoke(ITaskPortData.WRITE_SINK);
Console.WriteLine(this.Rank + ": SPLITTER MAP FEEDER FINISH 2 !");
}
public override void main()
{
Console.WriteLine(this.Rank + ": SHUFFLER REDUCE COLLECTOR START");
// IIteratorInstance<IKVPair<TKey,IIterator<TValue>>> output_instance = (IIteratorInstance<IKVPair<TKey,IIterator<TValue>>>) Output.Instance;
// Feed_pairs.Server = output_instance;
// DETERMINE COMMUNICATION SOURCEs
IDictionary <int, Tuple <int, int> > unit_ref = new Dictionary <int, Tuple <int, int> > ();
int nf = this.FacetMultiplicity [FACET_MAP];
int senders_size = 0;
foreach (int i in this.FacetIndexes[FACET_MAP])
{
int nr0 = senders_size;
senders_size += this.UnitSizeInFacet [i] ["gusty_collector"];
for (int k = 0, j = nr0; j < senders_size; k++, j++)
{
unit_ref [j] = new Tuple <int, int> (i /*,0 INDEX OF gusty_collector*/, k);
}
}
receive_write_gif(senders_size, unit_ref);
IIteratorInstance <IKVPair <TKey, IIterator <TValue> > > output_instance = (IIteratorInstance <IKVPair <TKey, IIterator <TValue> > >)Output.Instance;
Feed_pairs.Server = output_instance;
bool end_computation = false;
while (!end_computation) // next iteration
{
bool[] finished_stream = new bool[senders_size];
for (int i = 0; i < senders_size; i++)
{
finished_stream [i] = false;
}
int count_finished_streams = 0;
end_computation = true;
while (count_finished_streams < senders_size) // take next chunk ...
{
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...1");
IActionFuture sync_perform;
Task_binding_shuffle.invoke(ITaskPortAdvance.READ_CHUNK);
Task_binding_shuffle.invoke(ITaskPortAdvance.PERFORM, out sync_perform);
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...2");
IDictionary <object, IIteratorInstance <TValue> > kv_cache = new Dictionary <object, IIteratorInstance <TValue> > ();
// PERFORM
for (int i = 0; i < senders_size; i++)
{
if (!finished_stream[i])
{
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...3 i=" + i);
IList <IKVPairInstance <TKey, TValue> > buffer;
CompletedStatus status;
Step_channel.Receive(unit_ref[i], MPI.Communicator.anyTag, out buffer, out status);
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...4");
foreach (IKVPairInstance <TKey, TValue> kv in buffer)
{
IIteratorInstance <TValue> iterator = null;
if (!kv_cache.ContainsKey(kv.Key))
{
iterator = Value_factory.newIteratorInstance();
kv_cache.Add(kv.Key, iterator);
IKVPairInstance <TKey, IIterator <TValue> > item = (IKVPairInstance <TKey, IIterator <TValue> >)Output.createItem();
item.Key = kv.Key;
item.Value = iterator;
output_instance.put(item);
}
else
{
kv_cache.TryGetValue(kv.Key, out iterator);
}
iterator.put(kv.Value);
}
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...5");
if (status.Tag == TAG_SHUFFLE_OMV_END_CHUNK)
{
count_finished_streams++;
finished_stream [i] = true;
}
else
{
end_computation = false;
}
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...6");
}
}
output_instance.finish();
foreach (IIteratorInstance <TValue> iterator in kv_cache.Values)
{
iterator.finish();
}
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...7-1");
sync_perform.wait();
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...7-2");
// CHUNK_READY
Task_binding_shuffle.invoke(ITaskPortAdvance.CHUNK_READY); //****
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...8");
}
output_instance.finish();
Console.WriteLine(this.GlobalRank + ": SHUFFLER REDUCER...9 - FINISH");
}
}