Re: [R] Multicore computation in Windows network: How to set up Rmpi

2008-04-02 Thread Thomas Brandenburger
Samu, Thanks you are a life saver. Your efforts saved me a ton of time. I went through basically exactly the same process as you describe. To summarize the same issue you have I get the following phenomenon: spawning appears to not happen the same every time. How can you specify how the nodes

Re: [R] Multicore computation in Windows network: How to set up Rmpi

2007-12-29 Thread Samu Mäntyniemi
Hello! I finally got MPICH 1.06 + R 2.6.1 + Rmpi 0.5-5 working with multiple computers. The key was to realize that the number of processes should be one when launching Rgui using mpiexec and not the number of master+slaves, as I had first wrongly understood. However, I seem to have a new prob

Re: [R] Multicore computation in Windows network: How to set up Rmpi

2007-12-21 Thread Samu Mäntyniemi
Some progress in my problem: Samu Mäntyniemi kirjoitti: > With MPICH2 I managed to connect my computers so that I was able to > remotely launch Rgui on both machines but R hanged when calling > "library(Rmpi)". If only one Rgui was launched on the localhost, > "library(Rmpi)" worked without error

[R] Multicore computation in Windows network: How to set up Rmpi

2007-12-20 Thread Samu Mäntyniemi
R-users, My question is related to earlier posts about benefits of quadcore over dualcore computers; I am trying to setup a cluster of windows xp computers so that eventually I could make use of 10-20 cpu:s, but for learning how to do this, I am playing around with two laptops. I thought that the