Hello Udo,
Sunday, October 22, 2006, 6:41:24 PM, you wrote:
>> Now, the state will not be entirely consumed/evaluated by the user,
>> and so it will not become garbage. Am I right?
> No. The state cannot become garbage, because there is still a reference
> to it. As long as runStateT has not r
Hello Andrea,
Sunday, October 22, 2006, 6:06:24 PM, you wrote:
>> f a b = let x = a*b
>> y = a+b
>> in x `seq` y `seq` (x,y)
>>
>> this f definition will not evaluate x and y automatically. BUT its
>> returned value is not (x,y). its returned value is x `seq` y `seq` (x,y)
>>
Andrea Rossato wrote:
> Now, the state will not be entirely consumed/evaluated by the user,
> and so it will not become garbage. Am I right?
No. The state cannot become garbage, because there is still a reference
to it. As long as runStateT has not returned, any part of the state can
still be ac
Hello Bullat,
first of all, thanks for your lengthy and clear explanation.
On Sun, Oct 22, 2006 at 04:08:49PM +0400, Bulat Ziganshin wrote:
> f a b = let x = a*b
> y = a+b
> in x `seq` y `seq` (x,y)
>
> this f definition will not evaluate x and y automatically. BUT its
> ret
Hello Andrea,
Sunday, October 22, 2006, 1:37:55 PM, you wrote:
>> as Udo said, it should be better to evaluate thunks just when they are
>> created, by using proper 'seq' calls.
> While I understand why you and Udo are right, still it is difficult
> for me to related this discussion to my code.
Hello!
On Sun, Oct 22, 2006 at 12:27:05AM +0400, Bulat Ziganshin wrote:
> as Udo said, it should be better to evaluate thunks just when they are
> created, by using proper 'seq' calls.
While I understand why you and Udo are right, still it is difficult
for me to related this discussion to my code
Hello Andrea,
Saturday, October 21, 2006, 3:44:31 PM, you wrote:
>> first, GC don't occurs automatically when you close file. you can help
>> GHC by using performGC from System.Mem. i does it in my own prog
> But I found a solution: just write the opml state component to a file!
and just after
On Sat, Oct 21, 2006 at 09:09:13PM +0200, Andrea Rossato wrote:
> So, it's parsec, on your side...;-)
I sorry, I was a bit confused when I wrote that.
I confused you for another person, obviously.
Sorry about that. Andrea
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Hallo!
Thanks a lot for stopping by.
On Sat, Oct 21, 2006 at 06:41:32PM +0200, Udo Stenzel wrote:
> The correct solution however, is the application of 'seq' at the right
> places. To understand where these are, perform a simulation of
> Haskell's reduction strategy on paper.
I will definitely
Andrea Rossato wrote:
> I did not get an appreciable improvement with performGC, as you can
> see from here:
> http://gorgias.mine.nu/haskell/a.out.withPerformGC.ps
>
> But I found a solution: just write the opml state component to a file!
Obviously the values in question were not garbage, rather
Hallo Bulat!
On Fri, Oct 20, 2006 at 10:21:51PM +0400, Bulat Ziganshin wrote:
> first, GC don't occurs automatically when you close file. you can help
> GHC by using performGC from System.Mem. i does it in my own prog
I did not get an appreciable improvement with performGC, as you can
see from he
Hello Andrea,
Friday, October 20, 2006, 2:23:16 PM, you wrote:
> well, you gave me a wonderfully clear introduction to Haskell GC, and
> now I have a better understanding of the output of the various
> profiling I'm doing. Thank you very much!
i had the same problems too :)
> Still, I cannot un
On Thu, Oct 19, 2006 at 06:23:35PM +0400, Bulat Ziganshin wrote:
> Hello Andrea,
>
> Wednesday, October 18, 2006, 9:34:28 PM, you wrote:
>
> > solution? Or just some hints on the kind of problem I'm facing: is it
> > related to strictness/laziness, or it's just that I did not understand
> > a sin
Hello Andrea,
Wednesday, October 18, 2006, 9:34:28 PM, you wrote:
> solution? Or just some hints on the kind of problem I'm facing: is it
> related to strictness/laziness, or it's just that I did not understand
> a single bit of how garbage collection works in Haskell?
i think, the second. unfor
On 10/18/06, Andrea Rossato <[EMAIL PROTECTED]> wrote:
Hi!
I'm a newbie and, as a learning experience, I'm writing a feed reader
with hscurses and hxt. For the present time the feed reader just reads
a Liferea cache but, as you can imagine, I'm running into the usual
newbie problems of memory co
Hi!
I'm a newbie and, as a learning experience, I'm writing a feed reader
with hscurses and hxt. For the present time the feed reader just reads
a Liferea cache but, as you can imagine, I'm running into the usual
newbie problems of memory consumption and garbage collection, probably
(I'm not sure)
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