huaxingao commented on code in PR #49741:
URL: https://github.com/apache/spark/pull/49741#discussion_r1937743951
##########
sql/core/benchmarks/ConstantColumnVectorBenchmark-jdk21-results.txt:
##########
@@ -1,280 +1,280 @@
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with StringType, row length = 1: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 372657.0 0.0 1.0X
-OnHeapColumnVector 2898 2899
1 141.3 7.1 0.0X
-OffHeapColumnVector 5566 5569
4 73.6 13.6 0.0X
+ConstantColumnVector 1 1
0 372648.9 0.0 1.0X
+OnHeapColumnVector 2895 2898
4 141.5 7.1 0.0X
+OffHeapColumnVector 6993 6994
2 58.6 17.1 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with StringType, row length = 5: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 423940.2 0.0 1.0X
-OnHeapColumnVector 4102 4103
1 99.9 10.0 0.0X
-OffHeapColumnVector 4885 4901
22 83.8 11.9 0.0X
+ConstantColumnVector 1 1
0 422701.6 0.0 1.0X
+OnHeapColumnVector 5380 5381
1 76.1 13.1 0.0X
+OffHeapColumnVector 6447 6460
19 63.5 15.7 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with StringType, row length = 10: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
---------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 423996.4 0.0 1.0X
-OnHeapColumnVector 4284 4291
10 95.6 10.5 0.0X
-OffHeapColumnVector 5062 5071
13 80.9 12.4 0.0X
+ConstantColumnVector 1 1
0 422526.8 0.0 1.0X
+OnHeapColumnVector 5392 5395
3 76.0 13.2 0.0X
+OffHeapColumnVector 6131 6133
4 66.8 15.0 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with StringType, row length = 15: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
---------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 423912.6 0.0 1.0X
-OnHeapColumnVector 4176 4186
14 98.1 10.2 0.0X
-OffHeapColumnVector 4728 4736
11 86.6 11.5 0.0X
+ConstantColumnVector 1 1
0 422762.7 0.0 1.0X
+OnHeapColumnVector 5940 5942
2 69.0 14.5 0.0X
+OffHeapColumnVector 6224 6235
15 65.8 15.2 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with StringType, row length = 20: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
---------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 423965.7 0.0 1.0X
-OnHeapColumnVector 4527 4529
2 90.5 11.1 0.0X
-OffHeapColumnVector 5110 5116
10 80.2 12.5 0.0X
+ConstantColumnVector 1 1
0 422815.5 0.0 1.0X
+OnHeapColumnVector 6363 6376
18 64.4 15.5 0.0X
+OffHeapColumnVector 6551 6557
8 62.5 16.0 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with StringType, row length = 30: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
---------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 424082.0 0.0 1.0X
-OnHeapColumnVector 4366 4372
9 93.8 10.7 0.0X
-OffHeapColumnVector 5147 5152
8 79.6 12.6 0.0X
+ConstantColumnVector 1 1
0 422757.9 0.0 1.0X
+OnHeapColumnVector 6002 6003
2 68.2 14.7 0.0X
+OffHeapColumnVector 6428 6433
8 63.7 15.7 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with IntegerType: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 664350.5 0.0 1.0X
-OnHeapColumnVector 16 16
0 25444.2 0.0 0.0X
-OffHeapColumnVector 65 65
0 6275.3 0.2 0.0X
+ConstantColumnVector 1 1
0 664336.5 0.0 1.0X
+OnHeapColumnVector 16 16
0 25128.2 0.0 0.0X
+OffHeapColumnVector 67 67
0 6152.0 0.2 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with LongType: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 632713.9 0.0 1.0X
-OnHeapColumnVector 33 34
0 12422.6 0.1 0.0X
-OffHeapColumnVector 67 68
1 6094.1 0.2 0.0X
+ConstantColumnVector 1 1
0 603941.8 0.0 1.0X
+OnHeapColumnVector 34 34
0 12197.8 0.1 0.0X
+OffHeapColumnVector 68 69
1 6059.7 0.2 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with FloatType: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 457739.0 0.0 1.0X
-OnHeapColumnVector 16 16
0 25107.7 0.0 0.1X
-OffHeapColumnVector 129 129
0 3177.6 0.3 0.0X
+ConstantColumnVector 1 1
0 457737.0 0.0 1.0X
+OnHeapColumnVector 16 17
0 24853.8 0.0 0.1X
+OffHeapColumnVector 128 128
0 3193.1 0.3 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write with DoubleType: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1 1
0 530954.4 0.0 1.0X
-OnHeapColumnVector 34 34
0 12039.3 0.1 0.0X
-OffHeapColumnVector 129 129
0 3168.0 0.3 0.0X
+ConstantColumnVector 1 1
0 510536.7 0.0 1.0X
+OnHeapColumnVector 34 34
0 12083.7 0.1 0.0X
+OffHeapColumnVector 130 130
0 3158.7 0.3 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with StringType, row length = 1: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
-------------------------------------------------------------------------------------------------------------------------
ConstantColumnVector 0 0
0 13274135.5 0.0 1.0X
-OnHeapColumnVector 105 106
1 3884.1 0.3 0.0X
-OffHeapColumnVector 6540 6543
4 62.6 16.0 0.0X
+OnHeapColumnVector 114 114
0 3605.9 0.3 0.0X
+OffHeapColumnVector 6546 6548
3 62.6 16.0 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with StringType, row length = 5: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
-------------------------------------------------------------------------------------------------------------------------
ConstantColumnVector 0 0
0 13274135.5 0.0 1.0X
-OnHeapColumnVector 4074 4075
0 100.5 9.9 0.0X
-OffHeapColumnVector 6602 6610
12 62.0 16.1 0.0X
+OnHeapColumnVector 4091 4096
8 100.1 10.0 0.0X
+OffHeapColumnVector 6544 6544
1 62.6 16.0 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with StringType, row length = 10: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------
ConstantColumnVector 0 0
0 13274135.5 0.0 1.0X
-OnHeapColumnVector 4052 4056
6 101.1 9.9 0.0X
-OffHeapColumnVector 6534 6537
5 62.7 16.0 0.0X
+OnHeapColumnVector 4072 4090
24 100.6 9.9 0.0X
+OffHeapColumnVector 6551 6574
33 62.5 16.0 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with StringType, row length = 15: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------
ConstantColumnVector 0 0
0 13274135.5 0.0 1.0X
-OnHeapColumnVector 4056 4058
3 101.0 9.9 0.0X
-OffHeapColumnVector 6536 6541
7 62.7 16.0 0.0X
+OnHeapColumnVector 4078 4090
17 100.4 10.0 0.0X
+OffHeapColumnVector 6575 6580
6 62.3 16.1 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with StringType, row length = 20: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------
ConstantColumnVector 0 0
0 13274135.5 0.0 1.0X
-OnHeapColumnVector 4046 4053
9 101.2 9.9 0.0X
-OffHeapColumnVector 6530 6531
1 62.7 15.9 0.0X
+OnHeapColumnVector 4084 4088
6 100.3 10.0 0.0X
+OffHeapColumnVector 6570 6577
9 62.3 16.0 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with StringType, row length = 30: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
--------------------------------------------------------------------------------------------------------------------------
ConstantColumnVector 0 0
0 13274135.5 0.0 1.0X
-OnHeapColumnVector 4059 4061
3 100.9 9.9 0.0X
-OffHeapColumnVector 6537 6538
2 62.7 16.0 0.0X
+OnHeapColumnVector 4173 4175
3 98.2 10.2 0.0X
+OffHeapColumnVector 6566 6596
42 62.4 16.0 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with IntegerType: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 0 0
0 13274135.5 0.0 1.0X
-OnHeapColumnVector 1 1
0 474473.3 0.0 0.0X
-OffHeapColumnVector 893 894
1 458.6 2.2 0.0X
+ConstantColumnVector 0 0
0 6641264.7 0.0 1.0X
+OnHeapColumnVector 1 1
0 510964.7 0.0 0.1X
+OffHeapColumnVector 766 767
1 534.5 1.9 0.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with LongType: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1953 1955
2 209.7 4.8 1.0X
-OnHeapColumnVector 2072 2077
7 197.7 5.1 0.9X
-OffHeapColumnVector 2604 2608
5 157.3 6.4 0.8X
+ConstantColumnVector 1823 1823
1 224.7 4.4 1.0X
+OnHeapColumnVector 0 0
0 1476254.1 0.0 6569.0X
+OffHeapColumnVector 900 909
13 455.0 2.2 2.0X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with FloatType: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1845 1846
2 222.0 4.5 1.0X
-OnHeapColumnVector 2101 2103
4 195.0 5.1 0.9X
-OffHeapColumnVector 2613 2615
3 156.8 6.4 0.7X
+ConstantColumnVector 1857 1857
1 220.6 4.5 1.0X
+OnHeapColumnVector 2111 2127
23 194.1 5.2 0.9X
+OffHeapColumnVector 2623 2626
4 156.2 6.4 0.7X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test read with DoubleType: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1985 1986
1 206.3 4.8 1.0X
-OnHeapColumnVector 2120 2123
4 193.2 5.2 0.9X
-OffHeapColumnVector 2758 2762
5 148.5 6.7 0.7X
+ConstantColumnVector 1996 1996
1 205.2 4.9 1.0X
+OnHeapColumnVector 2134 2135
1 191.9 5.2 0.9X
+OffHeapColumnVector 2777 2777
1 147.5 6.8 0.7X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write and read with StringType, row length = 1: Best Time(ms) Avg
Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
-----------------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1948
1952 5 210.2 4.8 1.0X
-OnHeapColumnVector 5737
5746 13 71.4 14.0 0.3X
-OffHeapColumnVector 8493
8494 2 48.2 20.7 0.2X
+ConstantColumnVector 1956
1957 1 209.4 4.8 1.0X
+OnHeapColumnVector 5690
5695 8 72.0 13.9 0.3X
+OffHeapColumnVector 8549
8574 36 47.9 20.9 0.2X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write and read with StringType, row length = 5: Best Time(ms) Avg
Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
-----------------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1950
1951 1 210.0 4.8 1.0X
-OnHeapColumnVector 5657
5657 1 72.4 13.8 0.3X
-OffHeapColumnVector 8500
8502 3 48.2 20.8 0.2X
+ConstantColumnVector 1952
1953 1 209.8 4.8 1.0X
+OnHeapColumnVector 5694
5694 1 71.9 13.9 0.3X
+OffHeapColumnVector 8543
8547 6 47.9 20.9 0.2X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write and read with StringType, row length = 10: Best Time(ms) Avg
Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1948
1949 1 210.3 4.8 1.0X
-OnHeapColumnVector 5765
5765 1 71.0 14.1 0.3X
-OffHeapColumnVector 8512
8533 29 48.1 20.8 0.2X
+ConstantColumnVector 1954
1955 2 209.7 4.8 1.0X
+OnHeapColumnVector 5701
5712 15 71.8 13.9 0.3X
+OffHeapColumnVector 8587
8592 7 47.7 21.0 0.2X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write and read with StringType, row length = 15: Best Time(ms) Avg
Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1949
1950 0 210.1 4.8 1.0X
-OnHeapColumnVector 5660
5670 15 72.4 13.8 0.3X
-OffHeapColumnVector 8502
8505 4 48.2 20.8 0.2X
+ConstantColumnVector 1956
1957 0 209.4 4.8 1.0X
+OnHeapColumnVector 5712
5717 8 71.7 13.9 0.3X
+OffHeapColumnVector 8552
8561 13 47.9 20.9 0.2X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write and read with StringType, row length = 20: Best Time(ms) Avg
Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1952
1956 6 209.9 4.8 1.0X
-OnHeapColumnVector 5742
5745 3 71.3 14.0 0.3X
-OffHeapColumnVector 8555
8574 26 47.9 20.9 0.2X
+ConstantColumnVector 1960
1961 1 209.0 4.8 1.0X
+OnHeapColumnVector 5695
5696 1 71.9 13.9 0.3X
+OffHeapColumnVector 8553
8553 0 47.9 20.9 0.2X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write and read with StringType, row length = 30: Best Time(ms) Avg
Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 1956
1957 0 209.4 4.8 1.0X
-OnHeapColumnVector 5657
5661 4 72.4 13.8 0.3X
-OffHeapColumnVector 8523
8539 23 48.1 20.8 0.2X
+ConstantColumnVector 1957
1960 5 209.3 4.8 1.0X
+OnHeapColumnVector 5699
5708 14 71.9 13.9 0.3X
+OffHeapColumnVector 8550
8558 11 47.9 20.9 0.2X
-OpenJDK 64-Bit Server VM 21.0.5+11-LTS on Linux 6.8.0-1017-azure
+OpenJDK 64-Bit Server VM 21.0.6+7-LTS on Linux 6.8.0-1020-azure
AMD EPYC 7763 64-Core Processor
Test write and read with IntegerType: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
-ConstantColumnVector 892 892
1 459.3 2.2 1.0X
-OnHeapColumnVector 1020 1021
1 401.5 2.5 0.9X
-OffHeapColumnVector 892 893
1 459.0 2.2 1.0X
+ConstantColumnVector 0 0
0 13274135.5 0.0 1.0X
Review Comment:
The 0s are strange. Do we also get 0s for master branch for this benchmark
result?
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