yaooqinn commented on code in PR #44172:
URL: https://github.com/apache/spark/pull/44172#discussion_r1414903391
##########
core/src/test/scala/org/apache/spark/io/ZStandardBenchmark.scala:
##########
@@ -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:
2 ~ 3 secs for case 0 on my mac
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