[R-sig-hpc] Difference between PSOCK and MPI?

[Dirk Eddelbuettel]

On 11 April 2013 at 13:56, Norm Matloff wrote:
| I think Simon has a good point here.  MPI is great, but it can be very
| tricky to set up and interface to R.
| 
| Other than the real power users, who won't use snow/parallel for their
| power usage anyway, I think PSOCK is just fine.
| 
| Even we fans of parallel programming don't necessarily want to squeeze
| every last ounce of speed from a program, at major expense of
| convenience.  Note that even with MPI, there are various versions and
| configurations to tweak if one really wants to do so; my guess is that
| most people don't do so.

With some Linux distributions it can be pretty easy.  

Dirk

-- 
Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com