pitrou commented on PR #46789:
URL: https://github.com/apache/arrow/pull/46789#issuecomment-2965978829
Here are the benchmark numbers on my local machine (AMD Ryzen 9 3900X, gcc
14.3):
```
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Non-regressions: (42)
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
benchmark baseline
contender change %
counters
BM_ByteStreamSplitDecode_FLBA_Generic<2>/1024 3.828 GiB/sec 60.992
GiB/sec 1493.306 {'family_index': 2, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_FLBA_Generic<2>/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 1391248}
BM_ByteStreamSplitDecode_FLBA_Generic<2>/65536 3.833 GiB/sec 54.779
GiB/sec 1329.148 {'family_index': 2, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_FLBA_Generic<2>/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 22088}
BM_ByteStreamSplitEncode_FLBA_Generic<2>/1024 4.412 GiB/sec 7.365
GiB/sec 66.918 {'family_index': 7, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_FLBA_Generic<2>/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 1693608}
BM_ByteStreamSplitEncode_FLBA_Generic<2>/65536 4.584 GiB/sec 7.482
GiB/sec 63.227 {'family_index': 7, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_FLBA_Generic<2>/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 26266}
BM_ByteStreamSplitEncode_Double_Generic/1024 7.398 GiB/sec 8.593
GiB/sec 16.151 {'family_index': 6, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_Double_Generic/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 703188}
BM_ByteStreamSplitEncode_Double_Sse2/1024 7.449 GiB/sec 8.622
GiB/sec 15.743 {'family_index': 17, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_Double_Sse2/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 730024}
BM_ByteStreamSplitEncode_Double_Avx2/1024 7.522 GiB/sec 8.611
GiB/sec 14.487 {'family_index': 21, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_Double_Avx2/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 683492}
BM_ByteStreamSplitEncode_Double_Generic/65536 7.098 GiB/sec 7.898
GiB/sec 11.280 {'family_index': 6, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_Double_Generic/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 10152}
BM_ByteStreamSplitEncode_Double_Avx2/65536 7.343 GiB/sec 7.867
GiB/sec 7.130 {'family_index': 21, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_Double_Avx2/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 10406}
BM_ByteStreamSplitEncode_Double_Sse2/65536 7.451 GiB/sec 7.867
GiB/sec 5.583 {'family_index': 17, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_Double_Sse2/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 10614}
BM_ByteStreamSplitDecode_FLBA_Generic<16>/65536 3.661 GiB/sec 3.858
GiB/sec 5.388 {'family_index': 4, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_FLBA_Generic<16>/65536', 'repetitions':
1, 'repetition_index': 0, 'threads': 1, 'iterations': 2655}
BM_ByteStreamSplitEncode_Double_Scalar/65536 4.831 GiB/sec 5.087
GiB/sec 5.282 {'family_index': 13, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_Double_Scalar/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 7018}
BM_ByteStreamSplitDecode_Float_Sse2/1024 7.210 GiB/sec 7.584
GiB/sec 5.176 {'family_index': 14, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_Float_Sse2/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 1313805}
BM_ByteStreamSplitDecode_Double_Scalar/1024 3.866 GiB/sec 4.065
GiB/sec 5.160 {'family_index': 11, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_Double_Scalar/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 356025}
BM_ByteStreamSplitDecode_Double_Scalar/65536 3.806 GiB/sec 3.995
GiB/sec 4.977 {'family_index': 11, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_Double_Scalar/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 5438}
BM_ByteStreamSplitDecode_Float_Avx2/65536 18.926 GiB/sec 19.850
GiB/sec 4.884 {'family_index': 18, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_Float_Avx2/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 54121}
BM_ByteStreamSplitDecode_Float_Scalar/65536 3.882 GiB/sec 4.065
GiB/sec 4.724 {'family_index': 10, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_Float_Scalar/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 11103}
BM_ByteStreamSplitEncode_Double_Scalar/1024 4.989 GiB/sec 5.217
GiB/sec 4.565 {'family_index': 13, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_Double_Scalar/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 455047}
BM_ByteStreamSplitDecode_FLBA_Generic<16>/1024 3.847 GiB/sec 4.018
GiB/sec 4.443 {'family_index': 4, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_FLBA_Generic<16>/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 175342}
BM_ByteStreamSplitDecode_Float_Scalar/1024 3.888 GiB/sec 4.059
GiB/sec 4.406 {'family_index': 10, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_Float_Scalar/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 710875}
BM_ByteStreamSplitEncode_FLBA_Generic<7>/65536 4.733 GiB/sec 4.930
GiB/sec 4.161 {'family_index': 8, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_FLBA_Generic<7>/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 7786}
BM_ByteStreamSplitDecode_Double_Generic/65536 12.680 GiB/sec 13.207
GiB/sec 4.155 {'family_index': 1, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_Double_Generic/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 18332}
BM_ByteStreamSplitDecode_Double_Avx2/65536 12.736 GiB/sec 13.263
GiB/sec 4.134 {'family_index': 19, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_Double_Avx2/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 18314}
BM_ByteStreamSplitDecode_Float_Avx2/1024 18.630 GiB/sec 19.393
GiB/sec 4.094 {'family_index': 18, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_Float_Avx2/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 3463316}
BM_ByteStreamSplitEncode_Float_Avx2/65536 12.804 GiB/sec 13.321
GiB/sec 4.036 {'family_index': 20, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_Float_Avx2/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 36806}
BM_ByteStreamSplitDecode_Float_Generic/1024 18.800 GiB/sec 19.559
GiB/sec 4.035 {'family_index': 0, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_Float_Generic/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 3427881}
BM_ByteStreamSplitDecode_FLBA_Generic<7>/1024 3.809 GiB/sec 3.958
GiB/sec 3.906 {'family_index': 3, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_FLBA_Generic<7>/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 400054}
BM_ByteStreamSplitEncode_FLBA_Generic<7>/1024 4.822 GiB/sec 5.010
GiB/sec 3.900 {'family_index': 8, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_FLBA_Generic<7>/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 506548}
BM_ByteStreamSplitDecode_Float_Generic/65536 19.346 GiB/sec 20.089
GiB/sec 3.838 {'family_index': 0, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_Float_Generic/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 55111}
BM_ByteStreamSplitDecode_Double_Avx2/1024 13.357 GiB/sec 13.862
GiB/sec 3.777 {'family_index': 19, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_Double_Avx2/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 1204226}
BM_ByteStreamSplitEncode_Float_Scalar/1024 4.955 GiB/sec 5.137
GiB/sec 3.678 {'family_index': 12, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_Float_Scalar/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 906261}
BM_ByteStreamSplitEncode_Float_Generic/65536 12.745 GiB/sec 13.189
GiB/sec 3.480 {'family_index': 5, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_Float_Generic/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 36559}
BM_ByteStreamSplitDecode_FLBA_Generic<7>/65536 3.807 GiB/sec 3.938
GiB/sec 3.429 {'family_index': 3, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_FLBA_Generic<7>/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 6135}
BM_ByteStreamSplitEncode_FLBA_Generic<16>/1024 4.889 GiB/sec 5.056
GiB/sec 3.411 {'family_index': 9, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_FLBA_Generic<16>/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 224832}
BM_ByteStreamSplitDecode_Float_Sse2/65536 7.650 GiB/sec 7.907
GiB/sec 3.355 {'family_index': 14, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_Float_Sse2/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 21896}
BM_ByteStreamSplitEncode_Float_Avx2/1024 12.565 GiB/sec 12.949
GiB/sec 3.052 {'family_index': 20, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_Float_Avx2/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 2277598}
BM_ByteStreamSplitEncode_Float_Scalar/65536 4.927 GiB/sec 5.073
GiB/sec 2.976 {'family_index': 12, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_Float_Scalar/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 14124}
BM_ByteStreamSplitEncode_FLBA_Generic<16>/65536 4.739 GiB/sec 4.866
GiB/sec 2.672 {'family_index': 9, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitEncode_FLBA_Generic<16>/65536', 'repetitions':
1, 'repetition_index': 0, 'threads': 1, 'iterations': 3369}
BM_ByteStreamSplitEncode_Float_Generic/1024 12.523 GiB/sec 12.857
GiB/sec 2.667 {'family_index': 5, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitEncode_Float_Generic/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 2296580}
BM_ByteStreamSplitDecode_Double_Generic/1024 13.364 GiB/sec 13.672
GiB/sec 2.301 {'family_index': 1, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_Double_Generic/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 1222754}
BM_ByteStreamSplitDecode_Double_Sse2/65536 8.820 GiB/sec 8.815
GiB/sec -0.055 {'family_index': 15, 'per_family_instance_index': 1,
'run_name': 'BM_ByteStreamSplitDecode_Double_Sse2/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 12677}
BM_ByteStreamSplitDecode_Double_Sse2/1024 8.979 GiB/sec 8.958
GiB/sec -0.234 {'family_index': 15, 'per_family_instance_index': 0,
'run_name': 'BM_ByteStreamSplitDecode_Double_Sse2/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 814584}
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Regressions: (2)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
benchmark baseline contender
change %
counters
BM_ByteStreamSplitEncode_Float_Sse2/65536 11.041 GiB/sec 8.209 GiB/sec
-25.647 {'family_index': 16, 'per_family_instance_index': 1, 'run_name':
'BM_ByteStreamSplitEncode_Float_Sse2/65536', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 30890}
BM_ByteStreamSplitEncode_Float_Sse2/1024 11.055 GiB/sec 8.168 GiB/sec
-26.114 {'family_index': 16, 'per_family_instance_index': 0, 'run_name':
'BM_ByteStreamSplitEncode_Float_Sse2/1024', 'repetitions': 1,
'repetition_index': 0, 'threads': 1, 'iterations': 2024308}
```
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