Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/10917#discussion_r52111265
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/HashBenchmark.scala ---
@@ -87,18 +92,39 @@ object HashBenchmark {
.add("binary", BinaryType)
.add("date", DateType)
.add("timestamp", TimestampType)
- test("normal", normal, 128)
+ /*
+ Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
+ Hash For normal: Best/Avg Time(ms) Rate(M/s)
Per Row(ns) Relative
+
-------------------------------------------------------------------------------------------
+ interpreted version 2209 / 2271 0.9
1053.4 1.0X
+ codegen version 1887 / 2018 1.1
899.9 1.2X
--- End diff --
codegen version is 20% faster, because it doesn't have runtime reflection.
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