maropu commented on a change in pull request #27246:
URL: https://github.com/apache/spark/pull/27246#discussion_r445319707
##########
File path:
sql/core/benchmarks/ExternalAppendOnlyUnsafeRowArrayBenchmark-results.txt
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@@ -42,4 +42,8 @@ Spilling with 10000 rows: Best Time(ms) Avg
Time(ms) Stdev(m
UnsafeExternalSorter 11 11
1 14.7 68.0 1.0X
ExternalAppendOnlyUnsafeRowArray 9 10
1 17.1 58.5 1.2X
-
+OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~16.04-b09 on Linux
4.4.0-178-generic
+Intel(R) Xeon(R) CPU E5-2687W v3 @ 3.10GHz
+Spilling SpillReader with 16000 rows: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
+------------------------------------------------------------------------------------------------------------------------
+UnsafeSorterSpillReader_bufferSize1024 411 426
13 0.6 1607.2 1.0X
Review comment:
oh, looks nice.
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