alamb edited a comment on issue #54:
URL: https://github.com/apache/arrow-rs/issues/54#issuecomment-1086158249


   > I'd be surprised if the non SIMD performance was quite as good, but hey 
all power to it.....
   
   I don't think 'non SIMD' is quite accurate -- it is more like "Clang 
produced (auto vectorized) SIMD" where the compiler generates the SIMD 
instructions 
   
   @jhorstmann  did some work that showed several kernels were actually faster 
using autovectorized code: https://github.com/apache/arrow-rs/pull/1221
   
   I believe @jorgecarleitao  did some work in arrow2 to migrate it away from 
using `packed_simd` (~and thus no longer require nightly rust~): 
https://github.com/jorgecarleitao/arrow2/pull/747


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