Re: [R] Is R on Windows multi-threaded

2008-01-14 Thread Luke Tierney
I hope to get a new version of snow released in a couple of weeks that will work on Windows using a Windows Rmpi version or, at least on a local machine, a socket interface. luke On Sat, 12 Jan 2008, Prof Brian Ripley wrote: > On Fri, 11 Jan 2008, Greg Snow wrote: > >> Someone else suggested the

Re: [R] Is R on Windows multi-threaded

2008-01-12 Thread Dirk Eddelbuettel
On 11 January 2008 at 21:37, Greg Snow wrote: | Someone else suggested the snow package, but I don't think it is available for windows. It is, but you may have to restrict yourself to the 'sockets' communication as PVm and MPI are not that straightforward under Unix. | I have been able to get t

Re: [R] Is R on Windows multi-threaded

2008-01-12 Thread Prof Brian Ripley
On Fri, 11 Jan 2008, Greg Snow wrote: > Someone else suggested the snow package, but I don't think it is > available for windows. It is. From http://cran.r-project.org/bin/windows/contrib/2.6/ReadMe Although the packages ROracle, and snow pass make check, it seems to be dangerous to

Re: [R] Is R on Windows multi-threaded

2008-01-11 Thread Greg Snow
Someone else suggested the snow package, but I don't think it is available for windows. I have been able to get the nws package to work on a duel core machine using windows and it did speed up my tests (and was fairly straight forward to use). From: [EMAIL PRO

Re: [R] Is R on Windows multi-threaded

2008-01-11 Thread Duncan Murdoch
On 1/11/2008 9:28 AM, Rees, David wrote: > Hi, > > A previous thread suggests that R on Windows is multi-threaded > > http://tolstoy.newcastle.edu.au/R/help/03b/6946.html Rgui is normally single threaded. Rterm runs two threads in order to keep graphics windows updated. Most computation happe

Re: [R] Is R on Windows multi-threaded

2008-01-11 Thread Uwe Ligges
Rees, David wrote: > Hi, > > A previous thread suggests that R on Windows is multi-threaded > > http://tolstoy.newcastle.edu.au/R/help/03b/6946.html > > When I'm running R 2.5.1 on a dual core pc I get Rgui.exe uses up to 50% > of the available cpu and the rest is not used. i.e. it only uses o