pitrou commented on issue #45331:
URL: https://github.com/apache/arrow/issues/45331#issuecomment-3083330908

   So, IMHO, we have two reasonable options:
   
   1. Use xsimd. Pros: header-only, already a dependency. Cons: might not have 
all desired functionality, so we'd either need to add them to xsimd (if that's 
ok to the xsimd maintainers) or keep maintaining code for it in Arrow.
   2. Use Google's cpu-features. Pros: it's more featureful. Cons: it's an 
additional dependency, and requires a compilation step as it's not header-only; 
therefore it will some complication to the build system.
   
   @AntoinePrv Do you want to do a bit more research to find out which 
functionality is needed in xsimd and whether it can be added there? (and feel 
free it to contribute it of course :))


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