yaooqinn commented on code in PR #46858:
URL: https://github.com/apache/spark/pull/46858#discussion_r1625469326
##########
core/benchmarks/LZFBenchmark-jdk21-results.txt:
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@@ -0,0 +1,19 @@
+================================================================================================
+Benchmark LZFCompressionCodec
+================================================================================================
+
+OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1021-azure
+AMD EPYC 7763 64-Core Processor
+Compress small objects: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
+--------------------------------------------------------------------------------------------------------------------------------
+Compression 256000000 int values in parallel 598 600
2 428.2 2.3 1.0X
+Compression 256000000 int values single-threaded 568 570
2 451.0 2.2 1.1X
+
+OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1021-azure
+AMD EPYC 7763 64-Core Processor
+Compress large objects: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
+-----------------------------------------------------------------------------------------------------------------------------
+Compression 1024 array values in 1 threads 39 45
5 0.0 38475.4 1.0X
Review Comment:
With GitHub standard action runners, it seems that we only get 1 thread.
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