[Haskell-cafe] Counting beta reductions for a Haskell program...

damodar kulkarni kdamodar2000 at gmail.com
Sat Nov 22 02:22:07 EST 2008


Yes Hugs has a option "+s" but it counts some sort of reductions not exactly
the beta reductions.
Thanks.
-Damodar

2008/11/22 Adrian Neumann <aneumann at inf.fu-berlin.de>

> Hugs has, afaik, a "output reduction count" option somewhere. At least it
> had one the last time I used it.
>
> - Adrian
>
> Am 22.11.2008 um 06:22 schrieb kk08:
>
>
>
>> Thanks.
>> I heard that a Gofer compiler (a Haskell dialect) supports counting the
>> Beta
>> reductions.
>> Hence I thought GHC/Hugs would have a similar facility.
>>
>>
>>
>> Ryan Ingram wrote:
>>
>>>
>>> This doesn't make a whole lot of sense.  One of the reasons
>>> GHC-compiled code is so fast is that it turns into straight-line code
>>> whenever possible, via inlining, primitive optimizations, etc.
>>>
>>>
>>>  - ryan
>>>
>>> [1] http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.53.3729
>>>
>>> On Fri, Nov 21, 2008 at 8:46 PM, kk08 <kdamodar2000 at gmail.com> wrote:
>>>
>>>>
>>>> Does GHC supports/has a command for counting total beta reductions taken
>>>> by a
>>>> program?
>>>>
>>>> Thanks.
>>>>
>>>> --
>>>> View this message in context:
>>>> http://www.nabble.com/Counting-beta-reductions-for-a-Haskell-
>>>> program...-tp20623025p20623025.html
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>>>>
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>> --
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>> reductions-for-a-Haskell-program...-tp20623025p20633639.html
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