[R] Performance degradation on multi-processor system

mlopez mlopez at iattc.org
Tue Sep 15 21:02:51 CEST 2009

Has there been any progress in enabling R to take advantage of multiple

Rajiv Garg wrote:
> Hi,
> We are seeing performance degradation when running the same R script in
> multiple instances of R on a multi-processor system.  We are a bit
> surprised by this because we figured that each instance of R is running in
> its own processor, and therefore running a second, third or fourth
> instance should not affect the performance of the first instance.
> [...]

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