ViggoC opened a new issue, #41:
URL: https://github.com/apache/arrow-java/issues/41

   
   The performance of  VariableWidthViewVector is much slower than 
VariableWidthVector in some cases. `setZero` for overwriting is the bottleneck.
   ```
   VariableWidthViewVectorBenchmarks.setSafeFromArray       1  avgt    5  0.088 
± 0.002  ms/op
   VariableWidthViewVectorBenchmarks.setSafeFromArray       2  avgt    5  0.095 
± 0.020  ms/op
   VariableWidthViewVectorBenchmarks.setSafeFromArray      10  avgt    5  0.091 
± 0.012  ms/op
   VariableWidthViewVectorBenchmarks.setSafeFromArray      40  avgt    5  0.087 
± 0.001  ms/op
       VariableWidthVectorBenchmarks.setSafeFromArray       1  avgt    5  0.010 
±  0.001  ms/op
       VariableWidthVectorBenchmarks.setSafeFromArray       2  avgt    5  0.013 
±  0.001  ms/op
       VariableWidthVectorBenchmarks.setSafeFromArray      10  avgt    5  0.032 
±  0.001  ms/op
       VariableWidthVectorBenchmarks.setSafeFromArray      40  avgt    5  0.105 
±  0.002  ms/op
   ```
   
![image](https://github.com/user-attachments/assets/8269d618-e6ea-4070-8020-31bc6182897f)
   
   Environment: 2.6 GHz Intel Core i7, MacOS 13.6, openjdk version "13.0.2"
   See code of benchmark in https://github.com/apache/arrow/pull/44634. 
   
   
   ### Component(s)
   
   Java


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