Version française
Home     About     Download     Resources     Contact us    
Browse thread
Fwd: [Caml-list] Faking concurrency using Unix forks and pipes
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: -- (:)
From: Jonathan Bryant <jtbryant@v...>
Subject: Fwd: [Caml-list] Faking concurrency using Unix forks and pipes
Oops.  Forgot to CC the list...

Begin forwarded message:

> From: Jonathan Bryant <jtbryant@valdosta.edu>
> Date: May 30, 2007 3:43:50 PM EDT
> To: Erik de Castro Lopo <mle+ocaml@mega-nerd.com>
> Subject: Re: [Caml-list] Faking concurrency using Unix forks and pipes
>
>
> On May 30, 2007, at 3:14 PM, Erik de Castro Lopo wrote:
>
>>
>> To exploit multi-process message-passing style concurrency you  
>> need to
>> fork early before much has been allocated.
>
> What I've always done to get around this is fork a process at the  
> very beginning of the code, and whenever I need to fork a process  
> later, I fork one from that process.  That way almost nothing is in  
> the heap.  I do have worries about the efficiency of this though:  
> when marshaling a closure across a socket to another process, it  
> must marshal all the necessary state as well.  I would imagine this  
> has the potential to get slow if there was much state to marshal  
> (i.e., a closure marshaled referencing a large data structure).
>
> --Jonathan
>
>>
>> Erik
>> -- 
>> -----------------------------------------------------------------
>> Erik de Castro Lopo
>> -----------------------------------------------------------------
>> "... a discussion of C++'s strengths and flaws always sounds
>> like an argument about whether one should face north or east
>> when one is sacrificing one's goat to the rain god."
>> -- Thant Tessman
>>
>> _______________________________________________
>> Caml-list mailing list. Subscription management:
>> http://yquem.inria.fr/cgi-bin/mailman/listinfo/caml-list
>> Archives: http://caml.inria.fr
>> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
>> Bug reports: http://caml.inria.fr/bin/caml-bugs
>