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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/10/16 03:56:18 UTC

[GitHub] [arrow-rs] tustvold commented on issue #2882: Memory alignment error in `RawPtrBox::new`

tustvold commented on issue #2882:
URL: https://github.com/apache/arrow-rs/issues/2882#issuecomment-1279885278

   What is the alignment requirement for i128 on an M1 mac, on x86 it is 8 bytes, which is what is guaranteed by the IPC format?
   
   The error message would suggest the buffer is 8 byte aligned, but that this is insufficient for whatever type is being handled.
   
   My hunch is arm requires 16-byte alignment for i128, and following #2857 we are only just now seeing this. I suspect for this case we will need to copy the buffer.


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