Message-ID: <20150824131442.GA18349@droplet>
Date: 2015-08-24T13:14:42Z
From: Joshua N Pritikin
Subject: [R-pkg-devel] openmp
In-Reply-To: <CAOKDuOjyNEpNsWNgmz25+90YfN0wQU_PiiSAVhd6MoJDNPv+JA@mail.gmail.com>
On Sun, Aug 23, 2015 at 08:01:08AM +0200, Mark van der Loo wrote:
> Afaik, openmp is available on windows. According to writing R
> extensions:
>
> There is nothing to say what version of OpenMP is supported: version
> 3.0 (May 2008) is supported by recent versions of the Linux, _Windows_
> and Solaris platforms, but portable packages cannot assume that end
> users have recent versions. OS X nowadays uses clang, and the Apple
> builds currently have no OpenMP support.
So I take that answer as, "No, CRAN cannot possibly enable openmp for
binary builds." Is that correct?
> Op 21 aug. 2015 22:50 schreef "Joshua N Pritikin"
> <[1]jpritikin at pobox.com>:
> Many CRAN packages offer improved performance when compiled with
> OpenMP. However, the MacOS and Windows binaries built by CRAN are
> built
> without openmp enabled. Would it be possible to build openmp enabled
> binaries for some CRAN packages?
--
Joshua N. Pritikin
Department of Psychology
University of Virginia
485 McCormick Rd, Gilmer Hall Room 102
Charlottesville, VA 22904
http://people.virginia.edu/~jnp3bc