HuaHuaY commented on PR #50749:
URL: https://github.com/apache/arrow/pull/50749#issuecomment-5191842973

   There are significant improvements in some benchmarks, such as 
`BM_ReadBinaryColumn` and `BM_ReadBinaryViewColumn` at 
`cpp/src/parquet/arrow/reader_writer_benchmark.cc`. However, there are also 
some performance regressions, maybe forcing the inlining of destructors 
affected the instruction layout.
   
   machine | z-score | z < -3 | z > 3 | Not significant
   -- | -- | -- | -- | --
   m5 / Skylake | 4704 | 202 | 500 | 4002
   c6a / Zen 3 | 4614 | 464 | 563 | 3587
   t4g / Neoverse N1 | 4487 | 276 | 249 | 3962
   Mac / M1 | 4467 | 29 | 18 | 4420
   total | 18272 | 971(5.31%) | 1330(7.28%) | 15971(87.41%)
   
   I use AI to summarize the results.
   
   @pitrou Please take a look and help analyze whether these benchmark results 
are acceptable.


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