Dirk, I pick one of the packages you suggested and asked my colleague to
test it on MacOS X. As you can see, it did not use more than 1 CPU. I
inspected the Makevars and found that it relied on
SHLIB_OPENMP_CXXFLAGS. This variable is set to -fopenmp on my laptop.
Does CRAN add -fopenmp to SHLIB_OPENMP_CXXFLAGS (when there is compiler
support) or not? It seems not.
--
Joshua N. Pritikin
Department of Psychology
University of Virginia
485 McCormick Rd, Gilmer Hall Room 102
Charlottesville, VA 22904
http://people.virginia.edu/~jnp3bc
--- Begin Message ---
I tried. Although it is pretty quick at simulating millions of records, it
never hits the CPU more than 100%:
xx <- rmvn(100000000,rep(0,6),diag(6))
Michael Neale
mcne...@mac.com
> On Aug 24, 2015, at 12:13 PM, Joshua N Pritikin <jpriti...@pobox.com> wrote:
>
> On Mon, Aug 24, 2015 at 11:53:33AM -0400, Michael Neale wrote:
>> I guess the issue is whether there is ANY package on CRAN which
>> compiles with OpenMP under OS X. It sounds like there isn’t…
>
> Are you sure?
>
> Can you try mvnfast?
>
> --
> Joshua N. Pritikin
> Department of Psychology
> University of Virginia
> 485 McCormick Rd, Gilmer Hall Room 102
> Charlottesville, VA 22904
> http://people.virginia.edu/~jnp3bc
--- End Message ---
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