dongjoon-hyun commented on code in PR #47743:
URL: https://github.com/apache/spark/pull/47743#discussion_r1715635605
##########
sql/core/benchmarks/CollationBenchmark-jdk21-results.txt:
##########
@@ -1,54 +1,54 @@
-OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1022-azure
+OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
collation unit benchmarks - equalsFunction: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------
-UTF8_BINARY 1352 1352
1 0.1 13516.4 1.0X
-UTF8_LCASE 4678 4693
21 0.0 46778.6 0.3X
-UNICODE 17213 17223
13 0.0 172131.7 0.1X
-UNICODE_CI 17101 17133
46 0.0 171009.6 0.1X
+UTF8_BINARY 1344 1345
1 0.1 13438.0 1.0X
+UTF8_LCASE 2617 2619
3 0.0 26172.7 0.5X
+UNICODE 16947 16976
41 0.0 169465.6 0.1X
+UNICODE_CI 16500 16507
10 0.0 164997.5 0.1X
-OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1022-azure
+OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
collation unit benchmarks - compareFunction: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
---------------------------------------------------------------------------------------------------------------------------
-UTF8_BINARY 1775 1775
0 0.1 17749.8 1.0X
-UTF8_LCASE 5342 5367
35 0.0 53423.0 0.3X
-UNICODE 17011 17020
12 0.0 170110.1 0.1X
-UNICODE_CI 16734 16760
37 0.0 167338.2 0.1X
+UTF8_BINARY 2555 2560
7 0.0 25553.1 1.0X
+UTF8_LCASE 3539 3540
0 0.0 35392.8 0.7X
+UNICODE 17154 17161
10 0.0 171541.5 0.1X
+UNICODE_CI 16915 16926
17 0.0 169146.6 0.2X
-OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1022-azure
+OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
collation unit benchmarks - hashFunction: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-UTF8_BINARY 7253 7256
4 0.0 72529.6 1.0X
-UTF8_LCASE 16634 16676
59 0.0 166342.5 0.4X
-UNICODE 66146 66163
23 0.0 661461.1 0.1X
-UNICODE_CI 54563 54606
62 0.0 545625.5 0.1X
+UTF8_BINARY 2771 2771
0 0.0 27708.6 1.0X
+UTF8_LCASE 5346 5347
2 0.0 53462.4 0.5X
+UNICODE 67678 67692
21 0.0 676775.1 0.0X
+UNICODE_CI 57978 57982
6 0.0 579780.7 0.0X
-OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1022-azure
+OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
collation unit benchmarks - contains: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-UTF8_BINARY 6570 6577
10 0.0 65696.6 1.0X
-UTF8_LCASE 120073 120137
91 0.0 1200726.4 0.1X
-UNICODE 364027 364291
374 0.0 3640267.9 0.0X
-UNICODE_CI 421444 422138
981 0.0 4214438.7 0.0X
+UTF8_BINARY 8793 8794
1 0.0 87929.3 1.0X
+UTF8_LCASE 19382 19394
16 0.0 193824.8 0.5X
Review Comment:
`UTF8_LCASE` becomes faster consistently in other test cases too in this
suite.
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