LuciferYang commented on code in PR #56072:
URL: https://github.com/apache/spark/pull/56072#discussion_r3295835393


##########
sql/core/benchmarks/VectorizedRleValuesReaderBenchmark-results.txt:
##########
@@ -2,153 +2,153 @@
 Boolean decode
 
================================================================================================
 
-OpenJDK 64-Bit Server VM 17.0.19+10-LTS on Linux 6.17.0-1010-azure
-AMD EPYC 7763 64-Core Processor
+OpenJDK 64-Bit Server VM 17.0.19+10-LTS on Linux 6.17.0-1013-azure
+AMD EPYC 9V74 80-Core Processor
 RLE readBooleans decode:                  Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
 
------------------------------------------------------------------------------------------------------------------------
-cold reader, trueRatio=0.0                            0              0         
  0      66239.8           0.0       1.0X
-reused reader, trueRatio=0.0                          0              0         
  0      57887.6           0.0       0.9X
-cold reader, trueRatio=0.1                            1              1         
  0        893.5           1.1       0.0X
-reused reader, trueRatio=0.1                          1              1         
  0        895.6           1.1       0.0X
-cold reader, trueRatio=0.5                            1              1         
  0       1018.7           1.0       0.0X
-reused reader, trueRatio=0.5                          1              1         
  0       1029.4           1.0       0.0X
-cold reader, trueRatio=0.9                            1              1         
  0        891.9           1.1       0.0X
-reused reader, trueRatio=0.9                          1              1         
  0        894.8           1.1       0.0X
-cold reader, trueRatio=1.0                            0              0         
  0      67001.7           0.0       1.0X
-reused reader, trueRatio=1.0                          0              0         
  0      72380.5           0.0       1.1X
+cold reader, trueRatio=0.0                            0              0         
  0      72762.2           0.0       1.0X
+reused reader, trueRatio=0.0                          0              0         
  0      74151.5           0.0       1.0X
+cold reader, trueRatio=0.1                            1              1         
  0        891.7           1.1       0.0X
+reused reader, trueRatio=0.1                          1              1         
  0        894.1           1.1       0.0X
+cold reader, trueRatio=0.5                            1              1         
  0       1035.0           1.0       0.0X
+reused reader, trueRatio=0.5                          1              1         
  0       1031.8           1.0       0.0X
+cold reader, trueRatio=0.9                            1              1         
  0        881.6           1.1       0.0X
+reused reader, trueRatio=0.9                          1              1         
  0        889.2           1.1       0.0X
+cold reader, trueRatio=1.0                            0              0         
  0      69474.3           0.0       1.0X
+reused reader, trueRatio=1.0                          0              0         
  0      69942.4           0.0       1.0X
 
 
 
================================================================================================
 Integer decode
 
================================================================================================
 
-OpenJDK 64-Bit Server VM 17.0.19+10-LTS on Linux 6.17.0-1010-azure
-AMD EPYC 7763 64-Core Processor
+OpenJDK 64-Bit Server VM 17.0.19+10-LTS on Linux 6.17.0-1013-azure
+AMD EPYC 9V74 80-Core Processor
 RLE readIntegers dictionary-id decode:    Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
 
------------------------------------------------------------------------------------------------------------------------
-PACKED cold, bitWidth=4                               2              2         
  0        505.6           2.0       1.0X
-PACKED reused, bitWidth=4                             2              2         
  0        504.6           2.0       1.0X
-RLE, bitWidth=4                                       0              0         
  0      18249.1           0.1      36.1X
-PACKED cold, bitWidth=8                               2              2         
  0        497.6           2.0       1.0X
-PACKED reused, bitWidth=8                             2              2         
  0        496.2           2.0       1.0X
-RLE, bitWidth=8                                       0              0         
  0      18123.0           0.1      35.8X
-PACKED cold, bitWidth=12                              3              3         
  0        370.2           2.7       0.7X
-PACKED reused, bitWidth=12                            3              3         
  0        369.6           2.7       0.7X
-RLE, bitWidth=12                                      0              0         
  0      18573.3           0.1      36.7X
-PACKED cold, bitWidth=20                              3              3         
  0        315.1           3.2       0.6X
-PACKED reused, bitWidth=20                            3              3         
  0        316.2           3.2       0.6X
-RLE, bitWidth=20                                      0              0         
  0      18570.0           0.1      36.7X
+PACKED cold, bitWidth=4                               2              2         
  0        473.3           2.1       1.0X
+PACKED reused, bitWidth=4                             2              2         
  0        467.4           2.1       1.0X
+RLE, bitWidth=4                                       0              0         
  0      18167.5           0.1      38.4X
+PACKED cold, bitWidth=8                               2              2         
  0        471.0           2.1       1.0X
+PACKED reused, bitWidth=8                             2              2         
  0        464.9           2.2       1.0X
+RLE, bitWidth=8                                       0              0         
  0      18195.9           0.1      38.4X
+PACKED cold, bitWidth=12                              3              3         
  0        338.6           3.0       0.7X
+PACKED reused, bitWidth=12                            3              3         
  0        336.6           3.0       0.7X
+RLE, bitWidth=12                                      0              0         
  0      18214.9           0.1      38.5X
+PACKED cold, bitWidth=20                              4              4         
  0        284.2           3.5       0.6X
+PACKED reused, bitWidth=20                            4              4         
  0        285.1           3.5       0.6X
+RLE, bitWidth=20                                      0              0         
  0      18158.1           0.1      38.4X
 
 
 
================================================================================================
 Nullable batch decode with def-level materialization
 
================================================================================================
 
-OpenJDK 64-Bit Server VM 17.0.19+10-LTS on Linux 6.17.0-1010-azure
-AMD EPYC 7763 64-Core Processor
+OpenJDK 64-Bit Server VM 17.0.19+10-LTS on Linux 6.17.0-1013-azure
+AMD EPYC 9V74 80-Core Processor
 Nullable batch with def-levels:           Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
 
------------------------------------------------------------------------------------------------------------------------
-nullRatio=0.0, n/a                                    0              0         
  0       6431.5           0.2       1.0X
-nullRatio=0.1, random                                 9              9         
  0        114.6           8.7       0.0X
-nullRatio=0.1, clustered                              7              7         
  0        159.7           6.3       0.0X
-nullRatio=0.3, random                                13             13         
  0         80.1          12.5       0.0X
-nullRatio=0.3, clustered                              7              7         
  1        157.8           6.3       0.0X
-nullRatio=0.5, random                                14             15         
  0         72.7          13.7       0.0X
-nullRatio=0.5, clustered                              6              7         
  0        162.0           6.2       0.0X
-nullRatio=0.9, random                                 8              8         
  0        126.4           7.9       0.0X
-nullRatio=0.9, clustered                              6              6         
  0        174.0           5.7       0.0X
-nullRatio=1.0, random                                 0              0         
  0       8062.5           0.1       1.3X
+nullRatio=0.0, n/a                                    0              0         
  0       5960.7           0.2       1.0X
+nullRatio=0.1, random                                11             11         
  0         98.8          10.1       0.0X
+nullRatio=0.1, clustered                              7              8         
  0        140.6           7.1       0.0X
+nullRatio=0.3, random                                16             16         
  1         67.4          14.8       0.0X
+nullRatio=0.3, clustered                              7              7         
  0        142.2           7.0       0.0X
+nullRatio=0.5, random                                17             17         
  0         60.5          16.5       0.0X
+nullRatio=0.5, clustered                              7              7         
  0        145.4           6.9       0.0X
+nullRatio=0.9, random                                 9              9         
  0        112.1           8.9       0.0X
+nullRatio=0.9, clustered                              7              7         
  0        159.0           6.3       0.0X
+nullRatio=1.0, random                                 0              0         
  0       2461.4           0.4       0.4X

Review Comment:
   It seems the performance fails to meet expectations. Could this be related 
to the CPU model?



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