[GitHub] [arrow-rs] liukun4515 commented on pull request #2360: [WIP]speed up the decimal validation and add benchmark test

[GitBox]

liukun4515 commented on PR #2360:
URL: https://github.com/apache/arrow-rs/pull/2360#issuecomment-1209180343

   refactor the validation for decimal256 @viirya 
   ```
   validate_decimal256_array_slow 2000
                           time:   [160.63 ms 161.90 ms 163.14 ms]
                           change: [-27.571% -25.268% -23.024%] (p = 0.00 < 
0.05)
                           Performance has improved.
   
   validate_decimal256_array_fast 2000                                          
                                   ^@
                           time:   [3.0104 ms 3.0427 ms 3.0766 ms]
   ```
   
   You can get the benchmark code in the `decimal_validate.rs` file.


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