[Haskell-cafe] Re: idea for avoiding temporaries
simonmarhaskell at gmail.com
Tue Mar 13 06:00:46 EDT 2007
Bulat Ziganshin wrote:
> Hello Simon,
> Friday, March 9, 2007, 7:44:46 PM, you wrote:
>> Looking at the implementation of DiffArrays, there are some obvious
>> optimisations that aren't done.
> .... and don't forget that it uses MVar instead of IORef to be
I don't see any obvious optimisations there - some kind of thread-safety is
essential. We could try IORef and atomicModifyIORef, but I doubt it would be
much quicker, if at all. The other optimisations I mentioned are easy wins, though.
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