sanha commented on a change in pull request #115: [NEMO-96] Modularize
DataSkewPolicy to use MetricVertex and BarrierVertex
URL: https://github.com/apache/incubator-nemo/pull/115#discussion_r214889652
##########
File path:
compiler/optimizer/src/main/java/edu/snu/nemo/compiler/optimizer/pass/compiletime/reshaping/SkewReshapingPass.java
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@@ -49,33 +56,40 @@ public SkewReshapingPass() {
@Override
public DAG<IRVertex, IREdge> apply(final DAG<IRVertex, IREdge> dag) {
final DAGBuilder<IRVertex, IREdge> builder = new DAGBuilder<>();
- final List<MetricCollectionBarrierVertex> metricCollectionVertices = new
ArrayList<>();
+ final List<MetricCollectionVertex> metricCollectionVertices = new
ArrayList<>();
dag.topologicalDo(v -> {
// We care about OperatorVertices that have any incoming edges that are
of type Shuffle.
if (v instanceof OperatorVertex &&
dag.getIncomingEdgesOf(v).stream().anyMatch(irEdge ->
CommunicationPatternProperty.Value.Shuffle
-
.equals(irEdge.getPropertyValue(CommunicationPatternProperty.class).get()))) {
- final MetricCollectionBarrierVertex<Integer, Long>
metricCollectionBarrierVertex
- = new MetricCollectionBarrierVertex<>();
- metricCollectionVertices.add(metricCollectionBarrierVertex);
- builder.addVertex(v);
- builder.addVertex(metricCollectionBarrierVertex);
+
.equals(irEdge.getPropertyValue(CommunicationPatternProperty.class).get()))
+ && dag.getIncomingEdgesOf(v).stream().noneMatch(irEdge ->
+ irEdge.getPropertyValue(AdditionalOutputTagProperty.class).isPresent()))
{
Review comment:
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