Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/11209#discussion_r72896977
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/HashBenchmark.scala ---
@@ -119,11 +146,12 @@ object HashBenchmark {
.add("map", mapOfInt)
.add("mapOfMap", MapType(IntegerType, mapOfInt))
/*
- Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
+ Intel(R) Core(TM) i7-4750HQ CPU @ 2.00GHz
Hash For map: Best/Avg Time(ms) Rate(M/s)
Per Row(ns) Relative
-------------------------------------------------------------------------------------------
- interpreted version 1820 / 1861 0.0
444347.2 1.0X
- codegen version 205 / 223 0.0
49936.5 8.9X
+ interpreted version 1612 / 1618 0.0
393553.4 1.0X
+ codegen version 149 / 150 0.0
36381.2 10.8X
+ codegen version 64-bit 144 / 145 0.0
35122.1 11.2X
*/
--- End diff --
I am seeing totally different results.
```
Java HotSpot(TM) 64-Bit Server VM 1.7.0_80-b15 on Mac OS X 10.11.6
Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz
Hash For map: Best/Avg Time(ms) Rate(M/s)
Per Row(ns) Relative
------------------------------------------------------------------------------------------------
interpreted version 0 / 0 85.3
11.7 1.0X
codegen version 215 / 231 0.0
52443.1 0.0X
codegen version 64-bit 160 / 173 0.0
38973.6 0.0X
```
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