On 07/23/2011 08:21 PM, Dirk Eddelbuettel wrote:
On 21 July 2011 at 18:59, Michael Rutter wrote: | It appears that the revoluton-mkl package, available via the multiverse | Ubuntu repository with the purpose of adding multi-threaded numeric | libraries to R, is not function correctly with R 2.13 (at least the | version found on CRAN). Testing with "R-benchmark-25.R" (found at See r-devel today where Simon (regarding another matter) confirms that R 2.13.0 started to default to using Open MP --- and I understand MKL does too (and you use eg the same env var to select number of threads etc) so I can see this leading to a conflict. Hope this helps, Dirk
The suggestion by Simon to compile with the "--disable-openmp" solves the problem, and the revolution-mkl package works properly with R 2.13.1.
As mentioned in the R 2.13.0 release notes, Open MP integration is experimental and nothing uses it, but it will in the future. Therefore, should we disable Open MP (for now) on the Ubuntu builds in order to have compatibility with currently available packages or is this something Revolution Computing needs to look into (assuming they are still supporting the revolution-mkl package)?
Michael -- Dr. Michael A. Rutter School of Science Penn State Erie, The Behrend College Station Road Erie, PA 16563 http://math.bd.psu.edu/faculty/rutter _______________________________________________ R-SIG-Debian mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-debian
