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by mightybyte
4267 days ago
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> Is it concerning that most Haskell optimization guides talk about adding ! to enforce evaluation? No, it's not. It's a perfectly reasonable consequence of Haskell's design choices. > What I want to say is that you really have to know a lot about Haskell to predict a program's runtime performance And you really have to know a lot about CPUs to predict cache locality issues in C/C++ programs. This is to be expected. Austin Seipp, one of the core contributors to GHC, has a really good writeup about this in the comments over at the haskell subreddit for this same article. http://www.reddit.com/r/haskell/comments/2jbl78/from_60_fram... |
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