The main core of the Cell (the PPE) uses IBM's version of hyperthreading
to expose two logical, main CPU's to the OS, so code that is "simply"
multi-threaded should still see an advantage. In addition, IBM provides
an SDK which includes workflow management as well as libraries to
support commo
I have been experimenting with ways of parallelizing many of the
functions in the math library. There are two experimental packages
available in http://www.stat.uiowa.edu/~luke/R/experimental: pnmath,
based on OpenMP, and pnmath0, based on basic pthreads. I'm not sure
to what degree the approach
Robin:
> Lots of my packages have been the subject of
> journal articles either in JSS or Rnews or (in one
> case) elsewhere.
>
> I would like to add these articles
> to my packages as vignettes.
>
> Reproducing the papers exactly requires a number
> of files [such as style files or PDFs] to be in
Dear R developers,
While improving duplicated.array() and friends and developing equivalents for
the new ff package for large datasets I came across two questions:
1) is it safe to use duplicated.default(), unique.default() and match() on
arbitrary lists? If so, we can speed up duplicated.array
Hello everyone
Lots of my packages have been the subject of
journal articles either in JSS or Rnews or (in one
case) elsewhere.
I would like to add these articles
to my packages as vignettes.
Reproducing the papers exactly requires a number
of files [such as style files or PDFs] to be included i