dongjoon-hyun commented on code in PR #52600:
URL: https://github.com/apache/spark/pull/52600#discussion_r2427777987
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core/benchmarks/ZStandardBenchmark-results.txt:
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@@ -3,80 +3,80 @@ Benchmark ZStandardCompressionCodec
================================================================================================
OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-azure
-AMD EPYC 7763 64-Core Processor
+AMD EPYC 9V74 80-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 265
267 1 0.0 26513.9 1.0X
-Compression 10000 times at level 2 without buffer pool 298
300 1 0.0 29837.5 0.9X
-Compression 10000 times at level 3 without buffer pool 809
809 0 0.0 80903.8 0.3X
-Compression 10000 times at level 1 with buffer pool 578
579 0 0.0 57809.5 0.5X
-Compression 10000 times at level 2 with buffer pool 609
609 1 0.0 60892.6 0.4X
-Compression 10000 times at level 3 with buffer pool 717
728 9 0.0 71748.2 0.4X
+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
OpenJDK 64-Bit Server VM 17.0.16+8-LTS on Linux 6.11.0-1018-azure
-AMD EPYC 7763 64-Core Processor
+AMD EPYC 9V74 80-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 592
595 4 0.0 59245.4 1.0X
-Decompression 10000 times from level 2 without buffer pool 592
594 1 0.0 59209.6 1.0X
-Decompression 10000 times from level 3 without buffer pool 593
593 0 0.0 59309.5 1.0X
-Decompression 10000 times from level 1 with buffer pool 540
541 0 0.0 54039.4 1.1X
-Decompression 10000 times from level 2 with buffer pool 541
541 0 0.0 54058.9 1.1X
-Decompression 10000 times from level 3 with buffer pool 540
541 0 0.0 54016.9 1.1X
+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
Review Comment:
The ZSTD decompression speed is improved a lot.
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