search for: biopara

Hello, which possibilities are available in R for simultaneous or parallel computing? I only could find biopara (http://cran.r-project.org/src/contrib/Descriptions/biopara.html) Are there other possibilities? Are there special groups working on simultaneous computing with R? Thanks Markus -- Dipl.-Tech. Math. Markus Schmidberger Ludwig-Maximilians-Universit?t M?nchen IBE - Institut f?r medizinische Inf...

...ra of such packages. My question is, which is the best choice for this sort of use? From reading their API docs, here are my brief thoughts on each so far: - papply: Not suitable, no bi-directional communication. Slave process return values when the papply() call completes, that's it. - biopara: Not suitable, simple one-way master/slave communication only, just like papply. - snow: Not directly suitable, the supported communication is intended to be very simple. But since it runs on top of Rmpi, perhaps its utility code would be useful in conjunction with Rmpi? - taskPR: Sound...

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Dear R-dev, I would like to accelerate my R computation by using parallel OpenMP compilers (e.g from Pathscale) on a 2-processor AMD server and I would like to know whether R is a tread safe library. The main kernel of the OpenMP parallelization is a C SEXP function that performs the computational routine in parallel with: ******************* SEXP example(SEXP list, SEXP expr, SEXP rho) {