Please try R-2.13.0 patched with the most recent snow. We found a bug in
R that has been fixed in the meantime.
Best,
Uwe Ligges
On 27.06.2011 10:46, Martin Valere wrote:
Good morning,
I was using the packages snow 0.3-3 and snowfall 1.84 with R.10.1 : it is
working great ! (Windows 7)
Since I have tried to update my R version (Windows 7). I cannot make the
packages snow and snowfall works for parallel processing. I have tried the
following version combinations:
Snowfall 1.84& snow 0.3-5 with R version 2.12.1 / 2.12.2 / 2.13.0
Snowfall 1.84& snow 0.3-3 with R version 2.13.0
With the following code
Library(snow)
Library(snowfall)
sfInit(parallel=TRUE, cpus=7)
and the system is hanging ...
R-2.13.0 has been installed in folder C:/R/R.-2.13.0 (and not in folder c:/Program
Files or C:/Programme on this computer) --> no symbolic link or blank space
issue in path name.
I have tried the code "Sock.r" (posted on the 16 May 2011 on this list by Uwe
Ligges, although my guess is that it has been integrated in the version 0.3-5 of snow
...). Without success.
On the command line (i.e. without RGui), trying first sfInit() (works fine )
and sfInit(parallel=TRUE, cpus=7), I got the following error message ...
(R-2.13.0)
sfInit()
snowfall 1.84 initialized: sequential execution, one CPU.
sfStop()
sfInit(parallel=TRUE,cpus=7)
Error in socketConnection(port = port, server = TRUE, blocking = TRUE,
cannot open the connection
In addition: Warning message:
In socketConnection(port = port, server = TRUE, blocking = TRUE, :
port 10187 cannot be opened
Error in sfInit(parallel = TRUE, cpus = 7) :
Starting of snow cluster failed! Error in socketConnection(port = po
, :
cannot open the connection
Error in socketConnection(port = port, server = TRUE, blocking = TRUE
cannot open the connection
Any suggestions ?
Thanks for any help,
Valère
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
