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Posted to reviews@spark.apache.org by "LuciferYang (via GitHub)" <gi...@apache.org> on 2023/04/10 06:00:03 UTC
[GitHub] [spark] LuciferYang opened a new pull request, #40721: [WIP][BUILD] Upgrade zstd-jni to 1.5.5-1
LuciferYang opened a new pull request, #40721:
URL: https://github.com/apache/spark/pull/40721
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[GitHub] [spark] LuciferYang commented on pull request #40721: [SPARK-43080][BUILD] Upgrade `zstd-jni` to 1.5.5-1
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #40721:
URL: https://github.com/apache/spark/pull/40721#issuecomment-1502757419
The CPU model used in micro-bench is the same as before, and the results have not changed much now
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[GitHub] [spark] LuciferYang commented on pull request #40721: [SPARK-43080][BUILD] Upgrade `zstd-jni` to 1.5.5-1
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #40721:
URL: https://github.com/apache/spark/pull/40721#issuecomment-1504423456
Thanks @dongjoon-hyun
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[GitHub] [spark] dongjoon-hyun closed pull request #40721: [SPARK-43080][BUILD] Upgrade `zstd-jni` to 1.5.5-1
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun closed pull request #40721: [SPARK-43080][BUILD] Upgrade `zstd-jni` to 1.5.5-1
URL: https://github.com/apache/spark/pull/40721
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[GitHub] [spark] LuciferYang commented on pull request #40721: [SPARK-43080][BUILD] Upgrade `zstd-jni` to 1.5.5-1
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #40721:
URL: https://github.com/apache/spark/pull/40721#issuecomment-1501580625
Please wait for me to check and update the benchmark results of `ZStandardBenchmark`
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[GitHub] [spark] dongjoon-hyun commented on a diff in pull request #40721: [SPARK-43080][BUILD] Upgrade `zstd-jni` to 1.5.5-1
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on code in PR #40721:
URL: https://github.com/apache/spark/pull/40721#discussion_r1161989573
##########
core/benchmarks/ZStandardBenchmark-results.txt:
##########
@@ -2,26 +2,26 @@
Benchmark ZStandardCompressionCodec
================================================================================================
-OpenJDK 64-Bit Server VM 1.8.0_362-b09 on Linux 5.15.0-1033-azure
-Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
+OpenJDK 64-Bit Server VM 1.8.0_362-b09 on Linux 5.15.0-1035-azure
+Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
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 396 527 150 0.0 39554.9 1.0X
-Compression 10000 times at level 2 without buffer pool 451 453 2 0.0 45109.2 0.9X
-Compression 10000 times at level 3 without buffer pool 639 640 1 0.0 63949.2 0.6X
-Compression 10000 times at level 1 with buffer pool 192 197 3 0.1 19199.2 2.1X
-Compression 10000 times at level 2 with buffer pool 243 250 4 0.0 24310.4 1.6X
-Compression 10000 times at level 3 with buffer pool 417 431 9 0.0 41711.5 0.9X
+Compression 10000 times at level 1 without buffer pool 277 348 107 0.0 27655.0 1.0X
+Compression 10000 times at level 2 without buffer pool 320 321 1 0.0 32020.3 0.9X
+Compression 10000 times at level 3 without buffer pool 460 464 3 0.0 46009.5 0.6X
+Compression 10000 times at level 1 with buffer pool 257 258 1 0.0 25654.4 1.1X
Review Comment:
Is this from `2.1x` to `1.1x`?
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[GitHub] [spark] LuciferYang commented on pull request #40721: [SPARK-43080][BUILD] Upgrade `zstd-jni` to 1.5.5-1
Posted by "LuciferYang (via GitHub)" <gi...@apache.org>.
LuciferYang commented on PR #40721:
URL: https://github.com/apache/spark/pull/40721#issuecomment-1502708533
> New results look reasonable.
I have been in a team meeting this morning.
It seems that the results of `ZStandardBenchmark` are somewhat related to the CPU model.
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