[Haskell-cafe] memorize function with number parameterized types in GHC
bjin1990 at gmail.com
Sun Nov 6 16:51:36 CET 2011
Yes, but I think it's not a funtion since the function didn't use the
parameter. So maybe there is a way to make memorizing possible.
Also p2num is a general function used in number parameterized types, so I
asked this question here.
On Nov 6, 2011 11:41 PM, "Brandon Allbery" <allbery.b at gmail.com> wrote:
> On Sun, Nov 6, 2011 at 10:31, Bin Jin <bjin1990 at gmail.com> wrote:
>> Then how about p2num, how to memorize this function.
>> Also I think it's okay to memorize this kind of function. The type system
>> ensure all calling of montgKeys have the same type, e.g., it's a pure
>> function without parameter, it's safe to memorize it since it didn't occupy
>> more memory than representing dynamic generated types.
> Did you read the wiki page you were pointed to? ghc never memoizes
> functions by itself; the page provides pointers to a number of ways that
> you can add memoization, along with pointers to discussion of why there is
> no automated memoization.
> brandon s allbery allbery.b at gmail.com
> wandering unix systems administrator (available) (412) 475-9364 vm/sms
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