Brandon Simmons wrote: > In my tests, using calloc from: > > > https://hackage.haskell.org/package/missing-foreign-0.1.1/docs/Foreign-Marshal-MissingAlloc.html > > was about twice as fast as allocating and zeroing the same amount of > memory with `newByteArray` + any of `copy/set/fillMutableByteArray` > (all three were nearly identical). Is there a way I can reasonably > define my own `newByteArray` that uses calloc? > > FWIW here are a couple of the benchmarks I'm working with in criterion: > > arrTestSet :: Int -> IO () > arrTestSet len = do > let eBytes = (P.sizeOf (undefined::Int))*len > a <- P.newAlignedPinnedByteArray
Why pinned memory? Erik -- ---------------------------------------------------------------------- Erik de Castro Lopo http://www.mega-nerd.com/ _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
