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Subject [GitHub] [spark] MaxGekk commented on a change in pull request #26003: [SPARK-29320][TESTS] Compare `sql/core` module in JDK8/11 (Part 1)
Date Thu, 03 Oct 2019 10:13:45 GMT
MaxGekk 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_r330963507
 
 

 ##########
 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:
   I compared the ratio

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