mapleFU commented on PR #40876:
URL: https://github.com/apache/arrow/pull/40876#issuecomment-2027319240
On my M1 Pro MacOS with LLVM-17, Release(-O2)
After:
```
BM_DecodeArrowBooleanRle/DecodeArrow_Dense/1024 4274 ns
4192 ns 164669 bytes_per_second=29.1209M/s
BM_DecodeArrowBooleanRle/DecodeArrow_Dense/4096 15281 ns
15228 ns 45972 bytes_per_second=32.0637M/s
BM_DecodeArrowBooleanRle/DecodeArrow_Dense/32768 117793 ns
117678 ns 5959 bytes_per_second=33.1944M/s
BM_DecodeArrowBooleanRle/DecodeArrow_Dense/65536 233382 ns
233347 ns 3003 bytes_per_second=33.4801M/s
BM_DecodeArrowBooleanRle/DecodeArrowNonNull_Dense/1024 3982 ns
3981 ns 175440 bytes_per_second=30.6622M/s
BM_DecodeArrowBooleanRle/DecodeArrowNonNull_Dense/4096 15179 ns
15176 ns 46081 bytes_per_second=32.1748M/s
BM_DecodeArrowBooleanRle/DecodeArrowNonNull_Dense/32768 117688 ns
117577 ns 5947 bytes_per_second=33.2228M/s
BM_DecodeArrowBooleanRle/DecodeArrowNonNull_Dense/65536 234126 ns
234075 ns 2982 bytes_per_second=33.376M/s
BM_DecodeArrowBooleanPlain/DecodeArrow_Dense/1024 406 ns
406 ns 1723158 bytes_per_second=300.797M/s
BM_DecodeArrowBooleanPlain/DecodeArrow_Dense/4096 442 ns
442 ns 1583925 bytes_per_second=1105.63M/s
BM_DecodeArrowBooleanPlain/DecodeArrow_Dense/32768 804 ns
804 ns 845155 bytes_per_second=4.74664G/s
BM_DecodeArrowBooleanPlain/DecodeArrow_Dense/65536 1221 ns
1218 ns 583465 bytes_per_second=6.26329G/s
BM_DecodeArrowBooleanPlain/DecodeArrowNonNull_Dense/1024 409 ns
408 ns 1713196 bytes_per_second=299.272M/s
BM_DecodeArrowBooleanPlain/DecodeArrowNonNull_Dense/4096 440 ns
440 ns 1586999 bytes_per_second=1110.51M/s
BM_DecodeArrowBooleanPlain/DecodeArrowNonNull_Dense/32768 782 ns
782 ns 884251 bytes_per_second=4.87686G/s
BM_DecodeArrowBooleanPlain/DecodeArrowNonNull_Dense/65536 1193 ns
1193 ns 591201 bytes_per_second=6.3971G/s
```
Before ( Rle data is the same so I didn't paste it )
```
BM_DecodeArrowBooleanPlain/DecodeArrow_Dense/1024 8577 ns
8576 ns 82731 bytes_per_second=14.2336M/s
BM_DecodeArrowBooleanPlain/DecodeArrow_Dense/4096 32857 ns
32853 ns 20944 bytes_per_second=14.8626M/s
BM_DecodeArrowBooleanPlain/DecodeArrow_Dense/32768 259563 ns
259396 ns 2640 bytes_per_second=15.059M/s
BM_DecodeArrowBooleanPlain/DecodeArrow_Dense/65536 519979 ns
519283 ns 1348 bytes_per_second=15.0448M/s
BM_DecodeArrowBooleanPlain/DecodeArrowNonNull_Dense/1024 8648 ns
8640 ns 82665 bytes_per_second=14.1292M/s
BM_DecodeArrowBooleanPlain/DecodeArrowNonNull_Dense/4096 32832 ns
32802 ns 21348 bytes_per_second=14.8857M/s
BM_DecodeArrowBooleanPlain/DecodeArrowNonNull_Dense/32768 259268 ns
259217 ns 2677 bytes_per_second=15.0694M/s
BM_DecodeArrowBooleanPlain/DecodeArrowNonNull_Dense/65536 522706 ns
522602 ns 1350 bytes_per_second=14.9492M/s
```
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