taegeonum commented on a change in pull request #203: [NEMO-360] Implementing
an 'XGBoostPolicy'
URL: https://github.com/apache/incubator-nemo/pull/203#discussion_r267571939
##########
File path: common/src/main/java/org/apache/nemo/common/ir/IRDAG.java
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@@ -110,8 +109,16 @@ public boolean advanceDAGSnapshot(final BiFunction<IRDAG,
IRDAG, Boolean> checke
return canAdvance;
}
+ /**
+ * @return a IR DAG summary string, consisting of only the original vertices
generated from the frontend.
Review comment:
What is the original vertex? could you please define what is original or not?
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