[R] question about running multiple R windows

[Uwe Ligges]

milton ruser wrote:
> Dear George,
> I think it will depends on the amount of memory that each your session will
> need.
> Case each session use a big amount of memory, may be your some of your
> sessions will get error. I also think that you will not save time if you
> start several dataset at same time, because windows is windows. 

Errrr, you obviously never tried. Please don't speculate.

For CRAN, we are installing and checking all > 1600 CRAN packages on a 
Windows machine in less than 5 hours, because it runs in parallel on 8 
CPU cores. In scaling is almost linear up to the number of actual CPU 
cores in your system - as long as a sufficient amount of memory is 
available.

Uwe Ligges


> By other
> side, I think that on linux you can get better results.
> 
> Good luck.
> 
> miltinho
> brazil
> 
> On Wed, Feb 4, 2009 at 10:22 PM, George Chen <glchen at stanford.edu> wrote:
> 
>> Hello,
>>
>> I use R on a Microsoft Windows machine.
>> Is it possible for me to open multiple windows of R, have them run the same
>> program but for different data sets, and get accurate results?  It takes 8+
>> hours to run the program so I want to multitask as much as possible.
>> Thanks in advance,
>> George Chen
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.