dongjoon-hyun commented on a change in pull request #31762:
URL: https://github.com/apache/spark/pull/31762#discussion_r588894246
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File path: core/benchmarks/ZStandardBenchmark-jdk11-results.txt
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@@ -6,22 +6,22 @@ OpenJDK 64-Bit Server VM 11.0.10+9-Ubuntu-0ubuntu1.18.04 on
Linux 4.15.0-1044-aw
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
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 1165
1255 128 0.0 116483.1 1.0X
-Compression 10000 times at level 2 without buffer pool 932
981 42 0.0 93225.9 1.2X
-Compression 10000 times at level 3 without buffer pool 1176
1216 55 0.0 117634.8 1.0X
-Compression 10000 times at level 1 with buffer pool 415
424 5 0.0 41470.4 2.8X
-Compression 10000 times at level 2 with buffer pool 493
503 7 0.0 49295.1 2.4X
-Compression 10000 times at level 3 with buffer pool 754
759 6 0.0 75403.9 1.5X
+Compression 10000 times at level 1 without buffer pool 800
801 1 0.0 80017.0 1.0X
Review comment:
It's purely `ZstdInputStreamNoFinalizer` and
`ZstdOutputStreamNoFinalizer`.
`1.4.8-7` is only making them `public`.
-
https://github.com/luben/zstd-jni/commit/57d53a09d247bcdb581d35dfec23a20b0661b86a
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