pitrou commented on PR #46532:
URL: https://github.com/apache/arrow/pull/46532#issuecomment-2911739832
@mapleFU Here are the benchmark results:
```
-----------------------------------------------------------------------------------------------------------------------
Benchmark Time
CPU Iterations UserCounters...
-----------------------------------------------------------------------------------------------------------------------
BM_ReadBinaryColumn/null_probability:0/unique_values:32 474836287 ns
474776657 ns 2 bytes_per_second=384.473Mi/s
items_per_second=22.0857M/s
BM_ReadBinaryColumn/null_probability:0/unique_values:-1 434672387 ns
434605384 ns 2 bytes_per_second=494.577Mi/s
items_per_second=24.1271M/s
BM_ReadBinaryColumn/null_probability:1/unique_values:32 528678641 ns
528513360 ns 1 bytes_per_second=342.683Mi/s
items_per_second=19.8401M/s
BM_ReadBinaryColumn/null_probability:50/unique_values:32 349765391 ns
349735470 ns 2 bytes_per_second=318.229Mi/s
items_per_second=29.982M/s
BM_ReadBinaryColumn/null_probability:99/unique_values:32 120864639 ns
120805587 ns 6 bytes_per_second=342.892Mi/s
items_per_second=86.7986M/s
BM_ReadBinaryColumn/null_probability:1/unique_values:-1 461347840 ns
461243759 ns 2 bytes_per_second=462.238Mi/s
items_per_second=22.7337M/s
BM_ReadBinaryColumn/null_probability:50/unique_values:-1 311592135 ns
311527606 ns 2 bytes_per_second=409.375Mi/s
items_per_second=33.6592M/s
BM_ReadBinaryColumn/null_probability:99/unique_values:-1 120852971 ns
120825490 ns 5 bytes_per_second=345.555Mi/s
items_per_second=86.7843M/s
BM_ReadBinaryViewColumn/null_probability:0/unique_values:32 549505024 ns
549390259 ns 1 bytes_per_second=405.065Mi/s
items_per_second=19.0862M/s
BM_ReadBinaryViewColumn/null_probability:0/unique_values:-1 464634983 ns
464459504 ns 2 bytes_per_second=548.908Mi/s
items_per_second=22.5763M/s
BM_ReadBinaryViewColumn/null_probability:1/unique_values:32 581033006 ns
580972897 ns 1 bytes_per_second=380.59Mi/s
items_per_second=18.0486M/s
BM_ReadBinaryViewColumn/null_probability:50/unique_values:32 402074921 ns
402014938 ns 2 bytes_per_second=376.344Mi/s
items_per_second=26.083M/s
BM_ReadBinaryViewColumn/null_probability:99/unique_values:32 179905553 ns
179838002 ns 4 bytes_per_second=452.759Mi/s
items_per_second=58.3067M/s
BM_ReadBinaryViewColumn/null_probability:1/unique_values:-1 482075501 ns
482002918 ns 2 bytes_per_second=525.317Mi/s
items_per_second=21.7546M/s
BM_ReadBinaryViewColumn/null_probability:50/unique_values:-1 354106810 ns
353977717 ns 2 bytes_per_second=473.283Mi/s
items_per_second=29.6227M/s
BM_ReadBinaryViewColumn/null_probability:99/unique_values:-1 188261734 ns
188199363 ns 4 bytes_per_second=434.39Mi/s
items_per_second=55.7162M/s
```
And also:
```
-----------------------------------------------------------------------------------------------------------------
Benchmark Time
CPU Iterations UserCounters...
-----------------------------------------------------------------------------------------------------------------
BM_ArrowBinaryPlain/DecodeArrow_Dense/1024 14212 ns
14210 ns 50228 bytes_per_second=414.769Mi/s items_per_second=72.064M/s
BM_ArrowBinaryPlain/DecodeArrow_Dense/4096 58290 ns
58282 ns 11985 bytes_per_second=398.701Mi/s items_per_second=70.2786M/s
BM_ArrowBinaryPlain/DecodeArrow_Dense/32768 470211 ns
470117 ns 1489 bytes_per_second=399.683Mi/s items_per_second=69.7017M/s
BM_ArrowBinaryPlain/DecodeArrow_Dense/65536 946275 ns
946208 ns 733 bytes_per_second=396.158Mi/s items_per_second=69.2617M/s
BM_ArrowBinaryPlain/DecodeArrowNonNull_Dense/1024 14145 ns
14144 ns 49130 bytes_per_second=416.686Mi/s items_per_second=72.3969M/s
BM_ArrowBinaryPlain/DecodeArrowNonNull_Dense/4096 58119 ns
58114 ns 11972 bytes_per_second=399.856Mi/s items_per_second=70.4821M/s
BM_ArrowBinaryPlain/DecodeArrowNonNull_Dense/32768 468892 ns
468840 ns 1494 bytes_per_second=400.771Mi/s items_per_second=69.8916M/s
BM_ArrowBinaryPlain/DecodeArrowNonNull_Dense/65536 942752 ns
942656 ns 744 bytes_per_second=397.651Mi/s items_per_second=69.5227M/s
BM_ArrowBinaryViewPlain/DecodeArrow_Dense/1024 22830 ns
22828 ns 30718 bytes_per_second=258.183Mi/s items_per_second=44.8579M/s
BM_ArrowBinaryViewPlain/DecodeArrow_Dense/4096 90186 ns
90181 ns 7691 bytes_per_second=257.673Mi/s items_per_second=45.4198M/s
BM_ArrowBinaryViewPlain/DecodeArrow_Dense/32768 717476 ns
717394 ns 974 bytes_per_second=261.917Mi/s items_per_second=45.6764M/s
BM_ArrowBinaryViewPlain/DecodeArrow_Dense/65536 1432448 ns
1432321 ns 487 bytes_per_second=261.707Mi/s items_per_second=45.7551M/s
BM_ArrowBinaryViewPlain/DecodeArrowNonNull_Dense/1024 22801 ns
22800 ns 30616 bytes_per_second=258.497Mi/s items_per_second=44.9125M/s
BM_ArrowBinaryViewPlain/DecodeArrowNonNull_Dense/4096 89948 ns
89943 ns 7775 bytes_per_second=258.356Mi/s items_per_second=45.5401M/s
BM_ArrowBinaryViewPlain/DecodeArrowNonNull_Dense/32768 716779 ns
716718 ns 974 bytes_per_second=262.164Mi/s items_per_second=45.7195M/s
BM_ArrowBinaryViewPlain/DecodeArrowNonNull_Dense/65536 1432034 ns
1431819 ns 488 bytes_per_second=261.799Mi/s items_per_second=45.7712M/s
BM_ArrowBinaryDict/DecodeArrow_Dense/1024 21724 ns
21721 ns 32010 bytes_per_second=271.331Mi/s items_per_second=47.1423M/s
BM_ArrowBinaryDict/DecodeArrow_Dense/4096 83431 ns
83427 ns 8398 bytes_per_second=278.535Mi/s items_per_second=49.097M/s
BM_ArrowBinaryDict/DecodeArrow_Dense/32768 671083 ns
671025 ns 1047 bytes_per_second=280.016Mi/s items_per_second=48.8328M/s
BM_ArrowBinaryDict/DecodeArrow_Dense/65536 1363601 ns
1363495 ns 515 bytes_per_second=274.917Mi/s items_per_second=48.0647M/s
BM_ArrowBinaryDict/DecodeArrowNonNull_Dense/1024 21837 ns
21835 ns 32200 bytes_per_second=269.924Mi/s items_per_second=46.8978M/s
BM_ArrowBinaryDict/DecodeArrowNonNull_Dense/4096 82901 ns
82889 ns 8299 bytes_per_second=280.342Mi/s items_per_second=49.4155M/s
BM_ArrowBinaryDict/DecodeArrowNonNull_Dense/32768 665523 ns
665485 ns 1046 bytes_per_second=282.347Mi/s items_per_second=49.2393M/s
BM_ArrowBinaryDict/DecodeArrowNonNull_Dense/65536 1351333 ns
1351203 ns 519 bytes_per_second=277.418Mi/s items_per_second=48.502M/s
BM_ArrowBinaryViewDict/DecodeArrow_Dense/1024 22220 ns
22216 ns 31395 bytes_per_second=265.286Mi/s items_per_second=46.092M/s
BM_ArrowBinaryViewDict/DecodeArrow_Dense/4096 85562 ns
85553 ns 8130 bytes_per_second=271.612Mi/s items_per_second=47.8768M/s
BM_ArrowBinaryViewDict/DecodeArrow_Dense/32768 684968 ns
684846 ns 1028 bytes_per_second=274.365Mi/s items_per_second=47.8473M/s
BM_ArrowBinaryViewDict/DecodeArrow_Dense/65536 1371126 ns
1371053 ns 508 bytes_per_second=273.402Mi/s items_per_second=47.7998M/s
BM_ArrowBinaryViewDict/DecodeArrowNonNull_Dense/1024 22111 ns
22107 ns 31383 bytes_per_second=266.594Mi/s items_per_second=46.3193M/s
BM_ArrowBinaryViewDict/DecodeArrowNonNull_Dense/4096 85359 ns
85350 ns 8182 bytes_per_second=272.257Mi/s items_per_second=47.9904M/s
BM_ArrowBinaryViewDict/DecodeArrowNonNull_Dense/32768 680936 ns
680839 ns 1023 bytes_per_second=275.979Mi/s items_per_second=48.1288M/s
BM_ArrowBinaryViewDict/DecodeArrowNonNull_Dense/65536 1381028 ns
1380872 ns 512 bytes_per_second=271.458Mi/s items_per_second=47.4599M/s
```
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