ezyang’s blog

the arc of software bends towards understanding

GHC and mutable arrays: a DIRTY little secret

Brandon Simmon recently made a post to the glasgow-haskell-users mailing list asking the following question: I've been looking into an issue in a library in which as more mutable arrays are allocated, GC dominates (I think I verified this?) and all code gets slower in proportion to the number of mutable arrays that are hanging […]

  • May 9, 2014