liukun4515 commented on PR #2360:
URL: https://github.com/apache/arrow-rs/pull/2360#issuecomment-1211577166

   > > I find some wired things about decimal128/i128, So I remove the refactor 
of decimal128 and just left decimal256. PTAL
   > 
   > What's weird thing did you meet? @liukun4515
   
   Diff sizes of Decimal128Array have diff benchmark result.
   For example, when the array size is 2000,  the performance of comparison 
using the `bytes array: [u8;16]` format is better than using  `i128` directly.
   But when the array size is 20000, the result if the opposite.


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