dongjoon-hyun commented on code in PR #47743:
URL: https://github.com/apache/spark/pull/47743#discussion_r1715598070
##########
core/benchmarks/MapStatusesSerDeserBenchmark-jdk21-results.txt:
##########
@@ -1,64 +1,64 @@
-OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-azure
+OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
200000 MapOutputs, 10 blocks w/ broadcast: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
-------------------------------------------------------------------------------------------------------------------------
-Serialization 84 88
7 2.4 419.8 1.0X
-Deserialization 140 148
8 1.4 700.9 0.6X
+Serialization 81 85
4 2.5 406.5 1.0X
+Deserialization 147 155
9 1.4 734.2 0.6X
-Compressed Serialized MapStatus sizes: 427.0 B
+Compressed Serialized MapStatus sizes: 426.0 B
Compressed Serialized Broadcast MapStatus sizes: 2.5 MiB
-OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-azure
+OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
200000 MapOutputs, 10 blocks w/o broadcast: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------
-Serialization 80 81
2 2.5 400.1 1.0X
-Deserialization 139 146
6 1.4 694.8 0.6X
+Serialization 73 75
3 2.7 365.9 1.0X
+Deserialization 146 153
10 1.4 732.1 0.5X
Compressed Serialized MapStatus sizes: 2.5 MiB
Compressed Serialized Broadcast MapStatus sizes: 0.0 B
-OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-azure
+OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
200000 MapOutputs, 100 blocks w/ broadcast: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------
-Serialization 153 158
11 1.3 767.3 1.0X
-Deserialization 159 165
5 1.3 794.1 1.0X
+Serialization 152 157
6 1.3 759.6 1.0X
+Deserialization 162 166
4 1.2 811.8 0.9X
Compressed Serialized MapStatus sizes: 442.0 B
Compressed Serialized Broadcast MapStatus sizes: 13.6 MiB
-OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-azure
+OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
200000 MapOutputs, 100 blocks w/o broadcast: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
---------------------------------------------------------------------------------------------------------------------------
-Serialization 140 143
4 1.4 701.0 1.0X
-Deserialization 154 159
7 1.3 771.3 0.9X
+Serialization 141 142
1 1.4 703.4 1.0X
+Deserialization 161 165
5 1.2 807.0 0.9X
Compressed Serialized MapStatus sizes: 13.6 MiB
Compressed Serialized Broadcast MapStatus sizes: 0.0 B
-OpenJDK 64-Bit Server VM 21.0.3+9-LTS on Linux 6.5.0-1018-azure
+OpenJDK 64-Bit Server VM 21.0.4+7-LTS on Linux 6.5.0-1025-azure
AMD EPYC 7763 64-Core Processor
200000 MapOutputs, 1000 blocks w/ broadcast: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
---------------------------------------------------------------------------------------------------------------------------
-Serialization 707 726
21 0.3 3533.4 1.0X
-Deserialization 316 342
17 0.6 1582.2 2.2X
+Serialization 686 714
31 0.3 3431.6 1.0X
+Deserialization 329 346
18 0.6 1645.6 2.1X
-Compressed Serialized MapStatus sizes: 570.0 B
+Compressed Serialized MapStatus sizes: 569.0 B
Review Comment:
This is due the compression library change.
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