Re: [Rd] On R performance

2012-03-11 Thread Justin Talbot
> > Thanks for the clarification Justin. What about the S4 classes > and methods? The design resembles CLOS, and currently this > is interpreted R code. Have you addressed performance issues > associated with this? What relative impact does this have compared > with other optimizations like vectori

Re: [Rd] On R performance

2012-03-11 Thread Antonio Piccolboni
On Fri, Mar 9, 2012 at 8:39 AM, Justin Talbot wrote: > > > Another possibility is to implement R/S on top of an optimized virtual > > machine like the JVM, LLVM, etc. > > > > > Somebody is pursuing that already: https://code.google.com/p/renjin/ Antonio The RHadoop project, https://github.com/R