pitrou commented on PR #45085:
URL: https://github.com/apache/arrow/pull/45085#issuecomment-2577155985
Ok, I now get these numbers locally:
```
------------------------------------------------------------------------------------------------------------------------------------------------
Benchmark
Time CPU Iterations UserCounters...
------------------------------------------------------------------------------------------------------------------------------------------------
BM_WritePrimitiveColumn<SizeStatisticsLevel::None, ::arrow::Int64Type>
8213595 ns 8209893 ns 84 bytes_per_second=989.66Mi/s
items_per_second=127.721M/s output_size=537.472k page_index_size=33
BM_WritePrimitiveColumn<SizeStatisticsLevel::ColumnChunk,
::arrow::Int64Type> 9757681 ns 9753633 ns 72
bytes_per_second=833.023Mi/s items_per_second=107.506M/s output_size=537.488k
page_index_size=33
BM_WritePrimitiveColumn<SizeStatisticsLevel::PageAndColumnChunk,
::arrow::Int64Type> 9768503 ns 9764686 ns 72
bytes_per_second=832.08Mi/s items_per_second=107.385M/s output_size=537.502k
page_index_size=47
BM_WritePrimitiveColumn<SizeStatisticsLevel::None, ::arrow::StringType>
10229574 ns 10226100 ns 68
bytes_per_second=451.728Mi/s items_per_second=102.539M/s output_size=848.305k
page_index_size=34
BM_WritePrimitiveColumn<SizeStatisticsLevel::ColumnChunk,
::arrow::StringType> 11847455 ns 11843439 ns 55
bytes_per_second=390.04Mi/s items_per_second=88.5364M/s output_size=848.325k
page_index_size=34
BM_WritePrimitiveColumn<SizeStatisticsLevel::PageAndColumnChunk,
::arrow::StringType> 11808794 ns 11804771 ns 59
bytes_per_second=391.318Mi/s items_per_second=88.8265M/s output_size=848.344k
page_index_size=48
BM_WriteListColumn<SizeStatisticsLevel::None, ::arrow::Int64Type>
13141463 ns 13130383 ns 53 bytes_per_second=650.21Mi/s
items_per_second=79.8588M/s output_size=617.464k page_index_size=34
BM_WriteListColumn<SizeStatisticsLevel::ColumnChunk, ::arrow::Int64Type>
16485608 ns 16472720 ns 43
bytes_per_second=518.281Mi/s items_per_second=63.6553M/s output_size=617.486k
page_index_size=34
BM_WriteListColumn<SizeStatisticsLevel::PageAndColumnChunk,
::arrow::Int64Type> 16315535 ns 16302010 ns 43
bytes_per_second=523.709Mi/s items_per_second=64.3219M/s output_size=617.506k
page_index_size=54
BM_WriteListColumn<SizeStatisticsLevel::None, ::arrow::StringType>
15384749 ns 15370516 ns 46
bytes_per_second=327.375Mi/s items_per_second=68.22M/s output_size=927.326k
page_index_size=35
BM_WriteListColumn<SizeStatisticsLevel::ColumnChunk, ::arrow::StringType>
19044082 ns 19027424 ns 36
bytes_per_second=264.456Mi/s items_per_second=55.1087M/s output_size=927.352k
page_index_size=35
BM_WriteListColumn<SizeStatisticsLevel::PageAndColumnChunk,
::arrow::StringType> 18860937 ns 18843797 ns 37
bytes_per_second=267.033Mi/s items_per_second=55.6457M/s output_size=927.377k
page_index_size=55
```
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