[Haskell-cafe] Timing execution of individual functions in ghci?

Daniel Trstenjak daniel.trstenjak at gmail.com
Wed Oct 22 10:48:53 UTC 2014


Hi Magnus,

> When playing around with various implementations of a single function
> it would be nice to time the execution. Is there some way to do that
> easily from within GHCi?

ghci normally only interprets your code, without much optimizations,
so your timings might be quite misleading.

> Or am I forced to look to criterion for that?

I think so, if you want to trust your timings.


Greetings,
Daniel


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