LuciferYang commented on code in PR #44172:
URL: https://github.com/apache/spark/pull/44172#discussion_r1415092650
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core/src/test/scala/org/apache/spark/io/ZStandardBenchmark.scala:
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@@ -101,4 +102,28 @@ object ZStandardBenchmark extends BenchmarkBase {
}
}
}
+
+ private def parallelCompressionBenchmark(): Unit = {
+ val N = 128
+ val data = (1 until 128 * 1024 * 1024).toArray
+
+ Seq(3, 9).foreach { level =>
+ val benchmark = new Benchmark(s"Parallel Compression at level $level",
N, output = output)
+ Seq(0, 1, 2, 4, 8, 16).foreach { workers =>
Review Comment:
IIRC, the GitHub Action runner only has 2 CPU cores, and I'm not sure if
testing with more workers at this time would yield meaningful test data(Will
having more workers lead to the CPU being busy with context switching?).
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