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A comment on It never makes sense to use foldl on lists in Haskell (2019). Parent comment

Re:It never makes sense to use foldl on lists in Haskell (2019) by nine_k on Saturday March 21, 2020 @02:01AM (#22644849)
If you allocate all the nodes of a particular list from one arena, the cache performance should be OK.

IDK if this is the case for device drivers, but AFAICT device drivers tend to preallocate memory on loading and manage it locally.

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