On 28 March 2009 at 13:37, ivo...@gmail.com wrote:
| I need to speed up my monte-carlo simulations. my code is written in R (and
| it was also the cause of my many questions here over the last few days). my
[...]
| with $10/GB of DRAM, this is no longer a bottleneck. For my application,
| parallelism is a given, since most of it is monte-carlo simulations. (I
[...]
| My operating system will probably be ubuntu. (I also run a little of it on
| an OSX Mac Pro I own.)
One thing you could consider is renting the compute hours from the cloud:
http://aws.amazon.com/ec2
as EC2 now has a choice of Debian and Ubuntu (among others) and Debian /
Ubuntu have R and Open MPI work out of the box. Examples as in my 'Intro to
High Performance Computing with R' tutorials from UseR and the BoC [ google
for the pdf slides if interested ] should apply 'as is', you don't need to
fiddle with (physical) hardware and can scale up CPU resources as needed.
Dirk
--
Three out of two people have difficulties with fractions.
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