[R-sig-hpc] multicore mclapply hangs

[Rune Schjellerup Philosof]

Dear Markus

Example code:
library(multicore)
mclapply(1:10, function(i) i^2)


Markus Schmidberger skrev:
> Dear Rune,
>
> I am using Ubuntu 9.04, R 2.9.1 and multicore 0.1-4.
> This combination is working great. Try to use the new multicore
> release: http://www.rforge.net/multicore/
>
> If this is not working, please provide some example code!
>
> Best
> Markus
>
>
>
> Rune Schjellerup Philosof schrieb:
>> When I execute mclapply it creates the needed processes, but these
>> processes never begin computing anything, they just wait indefinitely.
>> I recently upgraded to version 2.9.1, which might have caused the
>> problem.
>>
>> I use Ubuntu 8.10.
>>
>>  
>>> sessionInfo()
>>>     
>> R version 2.9.1 (2009-06-26)
>> x86_64-pc-linux-gnu
>>
>> locale:
>> LC_CTYPE=da_DK.UTF-8;LC_NUMERIC=C;LC_TIME=da_DK.UTF-8;LC_COLLATE=da_DK.UTF-8;LC_MONETARY=C;LC_MESSAGES=da_DK.UTF-8;LC_PAPER=da_DK.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=da_DK.UTF-8;LC_IDENTIFICATION=C
>>
>>
>> attached base packages:
>> [1] stats     graphics  grDevices utils     datasets  methods   base
>>
>> other attached packages:
>> [1] multicore_0.1-3
>>
>> loaded via a namespace (and not attached):
>> [1] tcltk_2.9.1 tools_2.9.1
>>
>>
>>
>>
>>   
>
>


-- 
Med venlig hilsen
Rune Schjellerup Philosof
Ph.d.-studerende, Statistik, IST, SDU

Telefon:  6550 3607
E-mail:   rphilosof at health.sdu.dk
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