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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/04/27 07:40:53 UTC

[GitHub] [spark] c21 commented on a change in pull request #32357: [SPARK-35235][SQL][TEST] Add row-based hash map into aggregate benchmark

c21 commented on a change in pull request #32357:
URL: https://github.com/apache/spark/pull/32357#discussion_r620945924



##########
File path: sql/core/benchmarks/AggregateBenchmark-jdk11-results.txt
##########
@@ -2,142 +2,147 @@
 aggregate without grouping
 ================================================================================================
 
-OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure
-Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
+OpenJDK 64-Bit Server VM 11.0.11+9-LTS on Linux 5.4.0-1046-azure
+Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz
 agg w/o group:                            Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
 ------------------------------------------------------------------------------------------------------------------------
-agg w/o group wholestage off                      63666          64021         502         32.9          30.4       1.0X
-agg w/o group wholestage on                         882            912          37       2376.9           0.4      72.2X
+agg w/o group wholestage off                      82274          82877         853         25.5          39.2       1.0X
+agg w/o group wholestage on                        1322           1358          37       1586.7           0.6      62.2X
 
 
 ================================================================================================
 stat functions
 ================================================================================================
 
-OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure
-Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
+OpenJDK 64-Bit Server VM 11.0.11+9-LTS on Linux 5.4.0-1046-azure
+Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz
 stddev:                                   Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
 ------------------------------------------------------------------------------------------------------------------------
-stddev wholestage off                              7370           7688         450         14.2          70.3       1.0X
-stddev wholestage on                                931            997          50        112.6           8.9       7.9X
+stddev wholestage off                              8975           9129         219         11.7          85.6       1.0X
+stddev wholestage on                               1424           1444          34         73.6          13.6       6.3X
 
-OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure
-Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
+OpenJDK 64-Bit Server VM 11.0.11+9-LTS on Linux 5.4.0-1046-azure
+Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz
 kurtosis:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
 ------------------------------------------------------------------------------------------------------------------------
-kurtosis wholestage off                           30901          31209         436          3.4         294.7       1.0X
-kurtosis wholestage on                              950            996          33        110.4           9.1      32.5X
+kurtosis wholestage off                           42273          42424         213          2.5         403.1       1.0X
+kurtosis wholestage on                             1492           1528          27         70.3          14.2      28.3X
 
 
 ================================================================================================
 aggregate with linear keys
 ================================================================================================
 
-OpenJDK 64-Bit Server VM 11.0.10+9-LTS on Linux 5.4.0-1043-azure
-Intel(R) Xeon(R) CPU E5-2673 v4 @ 2.30GHz
+OpenJDK 64-Bit Server VM 11.0.11+9-LTS on Linux 5.4.0-1046-azure
+Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz
 Aggregate w keys:                         Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
 ------------------------------------------------------------------------------------------------------------------------
-codegen = F                                        8845           8874          41          9.5         105.4       1.0X
-codegen = T hashmap = F                            5804           5854          47         14.5          69.2       1.5X
-codegen = T hashmap = T                             954           1001          35         87.9          11.4       9.3X
+codegen = F                                       10873          10998         176          7.7         129.6       1.0X
+codegen = T, hashmap = F                           5906           6005          95         14.2          70.4       1.8X
+codegen = T, row-based hashmap = T                 2325           2410          94         36.1          27.7       4.7X
+codegen = T, vectorized hashmap = T                1185           1259          78         70.8          14.1       9.2X

Review comment:
       @cloud-fan - this sounds interesting to me. Created SPARK-35241 for followup, thanks.




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