dongjoon-hyun commented on a change in pull request #26003:
[SPARK-29320][TESTS] Compare `sql/core` module in JDK8/11 (Part 1)
URL: https://github.com/apache/spark/pull/26003#discussion_r330935215
##########
File path: sql/core/benchmarks/SortBenchmark-results.txt
##########
@@ -2,16 +2,15 @@
radix sort
================================================================================================
-Java HotSpot(TM) 64-Bit Server VM 1.8.0_162-b12 on Mac OS X 10.13.6
-Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
-
-radix sort 25000000: Best/Avg Time(ms) Rate(M/s) Per
Row(ns) Relative
-------------------------------------------------------------------------------------------------
-reference TimSort key prefix array 11770 / 11960 2.1
470.8 1.0X
-reference Arrays.sort 2106 / 2128 11.9
84.3 5.6X
-radix sort one byte 93 / 100 269.7
3.7 126.9X
-radix sort two bytes 171 / 179 146.0
6.9 68.7X
-radix sort eight bytes 659 / 664 37.9
26.4 17.9X
-radix sort key prefix array 1024 / 1053 24.4
41.0 11.5X
+OpenJDK 64-Bit Server VM 1.8.0_222-b10 on Linux 3.10.0-862.3.2.el7.x86_64
+Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
+radix sort 25000000: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
+------------------------------------------------------------------------------------------------------------------------
+reference TimSort key prefix array 15736 15778
59 1.6 629.4 1.0X
+reference Arrays.sort 3051 3057
10 8.2 122.0 5.2X
+radix sort one byte 442 453
10 56.6 17.7 35.6X
Review comment:
Ur, wait. Are you comparing between `Mac` and `Linux`? You should not do
that. It's meaningless.
```
Java HotSpot(TM) 64-Bit Server VM 1.8.0_162-b12 on Mac OS X 10.13.6
Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
...
OpenJDK 64-Bit Server VM 1.8.0_222-b10 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
```
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