Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/11517#discussion_r58170614
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/BenchmarkWholeStageCodegen.scala
---
@@ -85,6 +85,66 @@ class BenchmarkWholeStageCodegen extends SparkFunSuite {
*/
}
+ ignore("range/sample/sum") {
+ val N = 500 << 20
+ runBenchmark("range/sample/sum", N) {
+ sqlContext.range(N).sample(true, 0.8).groupBy().sum().collect()
+ }
+ /*
+ Intel(R) Core(TM) i7-5557U CPU @ 3.10GHz
+ range/sample/sum: Best/Avg Time(ms) Rate(M/s)
Per Row(ns) Relative
+
-------------------------------------------------------------------------------------------
+ range/sample/sum codegen=false 55656 / 56490 9.4
106.2 1.0X
+ range/sample/sum codegen=true 35423 / 35758 14.8
67.6 1.6X
+ */
+
+ runBenchmark("range/sample/sum", N) {
+ sqlContext.range(N).sample(false, 0.8).groupBy().sum().collect()
+ }
+ /*
+ Intel(R) Core(TM) i7-5557U CPU @ 3.10GHz
+ range/sample/sum: Best/Avg Time(ms) Rate(M/s)
Per Row(ns) Relative
+
-------------------------------------------------------------------------------------------
+ range/sample/sum codegen=false 16460 / 17161 31.9
31.4 1.0X
+ range/sample/sum codegen=true 4081 / 5390 128.5
7.8 4.0X
+ */
+ }
+
+ ignore("sort merge join/sample") {
--- End diff --
We may do not want this
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