[Rd] Snow or alternative MPI packages on Windows

[Martin Morgan]

giuseppe1.milicia at hsbcib.com writes:

> Guys,
>
> I'm running R on both Windows & Linux. I'm looking at a number of packages
> for parallel execution. It seems that the most used packages are "snow" and
> "Rmpi".
>
> snow seems more user friendly, but it doesn't run on windows. I see from
> searching the mailing list that I'm not the first one to try it on Windows.
> There was a message that kind of shed some hope on the subject, but nothing
> else.
>
> Rmpi works well on windows (with DeinoMPI) but it's kind of low level, so
> before I embark in writing code similar to snow to have some high level
> constructs I though I'd ask here about other peoples experiences...

Rmpi has low-level facilities, but things like mpi.spawn.Rslaves,
mpi.parLapply and mpi.bcast.cmd are high-level in the same way that
snow is.

Hopefully others will comment with windows-specific input.

Martin

> Is anyone around here doing parallel R on Windows? If so could you share
> your experience?
>
> Cheers,
>
> // Giuseppe
>
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-- 
Martin Morgan
Computational Biology / Fred Hutchinson Cancer Research Center
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