Explicit calls to the garbage collector.

Joachim Breitner mail at joachim-breitner.de
Mon May 7 16:10:13 CEST 2012


Hi,

Am Montag, den 07.05.2012, 15:33 +0200 schrieb Jurriaan Hage:
> I have a very memory intensive application. It seems that the timing of my application 
> depend very much on the precise setting of -H...M in the runtime system (-H2000M 
> seems to work best, computation time becomes a third of what I get when I pass no
> -H option).  I conjecture that this good behaviour is the result of gc happening at the right time.
> So I wondered: if I can one when is the right time, is it possible then to trigger
> GC explicitly from within the Haskell code? 

there is performGC:
http://hackage.haskell.org/packages/archive/base/latest/doc/html/System-Mem.html#v:performGC

Greetings,
Joachim

-- 
Joachim "nomeata" Breitner
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