Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/11454#discussion_r54660062
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetReadBenchmark.scala
---
@@ -219,11 +216,43 @@ object ParquetReadBenchmark {
/*
Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz
Int and String Scan: Best/Avg Time(ms) Rate(M/s)
Per Row(ns) Relative
-
-------------------------------------------------------------------------------
- SQL Parquet Reader 1381 / 1679 7.6
131.7 1.0X
- SQL Parquet MR 2005 / 2177 5.2
191.2 0.7X
- SQL Parquet Vectorized 919 / 1044 11.4
87.6 1.5X
- ParquetReader 1035 / 1163 10.1
98.7 1.3X
+
-------------------------------------------------------------------------------------------
+ SQL Parquet Vectorized 1025 / 1180 10.2
97.8 1.0X
+ SQL Parquet MR 2157 / 2222 4.9
205.7 0.5X
+ SQL Parquet Non-vectorized 1450 / 1466 7.2
138.3 0.7X
+ ParquetReader 1005 / 1022 10.4
95.9 1.0X
--- End diff --
Do you know why the first on is as fast as this one (only 20ms slower)?
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