runhaskell a parallel program
Bulat Ziganshin
bulat.ziganshin at gmail.com
Thu May 7 09:42:01 EDT 2009
Hello Simon,
Thursday, May 7, 2009, 5:27:04 PM, you wrote:
>> my own program creates a lot of parallel threads without using -N
>>
>> the secret is using of forkOS plus C code in threads. since you
>> spend time in system calls this should also work for you
> Are you sure you need forkOS, and not just forkIO? Why?
well, 4 years ago or so i discovered that my program can perform
compression (C) threads simultaneously only if i use forkOS. i don't
tried to jump to forkIO later
... just recompiled program with forkIO - it still works. at least on
this quad-core cpu. so it was just my laziness, sorry for all those
4-year noise :(
--
Best regards,
Bulat mailto:Bulat.Ziganshin at gmail.com
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