dongjoon-hyun commented on code in PR #54313:
URL: https://github.com/apache/spark/pull/54313#discussion_r2805317355
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core/benchmarks/ZStandardBenchmark-results.txt:
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@@ -2,81 +2,81 @@
Benchmark ZStandardCompressionCodec
================================================================================================
-OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-azure
-AMD EPYC 9V74 80-Core Processor
+OpenJDK 64-Bit Server VM 17.0.18+8-LTS on Linux 6.14.0-1017-azure
+AMD EPYC 7763 64-Core Processor
Benchmark ZStandardCompressionCodec: Best Time(ms) Avg
Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------------------
-Compression 10000 times at level 1 without buffer pool 190
191 0 0.1 18996.4 1.0X
-Compression 10000 times at level 2 without buffer pool 214
215 0 0.0 21407.3 0.9X
-Compression 10000 times at level 3 without buffer pool 811
812 1 0.0 81094.7 0.2X
-Compression 10000 times at level 1 with buffer pool 640
640 0 0.0 63962.8 0.3X
-Compression 10000 times at level 2 with buffer pool 661
663 1 0.0 66123.6 0.3X
-Compression 10000 times at level 3 with buffer pool 758
758 0 0.0 75773.8 0.3X
+Compression 10000 times at level 1 without buffer pool 648
653 6 0.0 64756.8 1.0X
+Compression 10000 times at level 2 without buffer pool 688
688 1 0.0 68788.7 0.9X
+Compression 10000 times at level 3 without buffer pool 804
810 10 0.0 80354.7 0.8X
+Compression 10000 times at level 1 with buffer pool 580
582 2 0.0 58024.5 1.1X
+Compression 10000 times at level 2 with buffer pool 610
611 1 0.0 61046.7 1.1X
+Compression 10000 times at level 3 with buffer pool 734
736 2 0.0 73390.5 0.9X
-OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-azure
-AMD EPYC 9V74 80-Core Processor
+OpenJDK 64-Bit Server VM 17.0.18+8-LTS on Linux 6.14.0-1017-azure
+AMD EPYC 7763 64-Core Processor
Benchmark ZStandardCompressionCodec: Best Time(ms)
Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------------------------
-Decompression 10000 times from level 1 without buffer pool 166
167 0 0.1 16645.6 1.0X
-Decompression 10000 times from level 2 without buffer pool 166
166 0 0.1 16558.6 1.0X
-Decompression 10000 times from level 3 without buffer pool 166
167 0 0.1 16629.4 1.0X
-Decompression 10000 times from level 1 with buffer pool 596
597 1 0.0 59613.2 0.3X
-Decompression 10000 times from level 2 with buffer pool 596
596 0 0.0 59576.6 0.3X
-Decompression 10000 times from level 3 with buffer pool 596
596 0 0.0 59585.5 0.3X
+Decompression 10000 times from level 1 without buffer pool 595
597 3 0.0 59453.4 1.0X
+Decompression 10000 times from level 2 without buffer pool 594
595 1 0.0 59429.2 1.0X
+Decompression 10000 times from level 3 without buffer pool 595
596 1 0.0 59501.2 1.0X
+Decompression 10000 times from level 1 with buffer pool 542
543 1 0.0 54194.0 1.1X
Review Comment:
ditto. These are expected improvement due to `buffer pool`.
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