[R-SIG-Mac] R for macOS Big Sur

[Kasper Daniel Hansen]

Jean: _guessing_ this may be about parallel processing in BLAS? Does your
timing include linear algebra?

On Mon, Jan 11, 2021 at 2:38 PM Jean Thioulouse <
jean.thioulouse using univ-lyon1.fr> wrote:

> Hi
>
> Both versions seem to run fine indeed, but on my Mac mini M1, the arm
> version (homebrew R) is much slower than the intel version (CRAN R), which
> is quite disappointing.
>
> The speed ratio I get is about 4 times slower for the arm version compared
> to the intel version, both in single processor and parallel computing mode.
>
> Any idea about why I get these results ?
>
> Thanks,
> Jean
>
> —-
> Jean THIOULOUSE - orcid.org/0000-0001-7664-0598
> http://lbbe.univ-lyon1.fr/-Thioulouse-Jean-.html
> https://www.springer.com/fr/book/9781493988488
>
>
> > Le 11 janv. 2021 à 10:53, Denis-Alexander Engemann <
> denis.engemann using gmail.com> a écrit :
> >
> > I have been using both Rosetta emulation and the homebrew builds and
> > everything looks very good so far.
> >
> > Here are two Twitter threads on M1 benchmarks.
> >
> > https://twitter.com/fxcoudert/status/1342598509418176514?s=20
> >
> > https://twitter.com/dngman/status/1342580260815200257?s=20
> >
> > Best,
> > Denis
> >
> > On Mon, Jan 11, 2021 at 10:11 AM Dr Eberhard W Lisse <el using lisse.na>
> wrote:
> >>
> >> I use the homebrew R for the Intel and then install.packages(),
> update.package() from scripts and  Rstudio’s Tools->.
> >>
> >> I don’t have an M1 (yet) but would be interested in seeing how that
> works on the M1. Probably this will pull the sources and hence I would be
> grateful to read about that.
> >>
> >>
> >> greetings, el
> >>
> >> —
> >> Sent from Dr Lisse’s iPhone
> >> On 11 Jan 2021, 10:05 +0200, Patrick Schratz <patrick.schratz using gmail.com>,
> wrote:
> >>> There is a [native arm64 big sur
> >>> binary](
> https://github.com/Homebrew/homebrew-core/blob/8a6807be6abb44634e7d6d153348b6bba2a5ddc6/Formula/r.rb#L16
> )
> >>> in homebrew since some days.
> >>>
> >>> On 10 Jan 2021, at 22:39, Gregory Coats via R-SIG-Mac wrote:
> >>>
> >>>> I purchased a new 13 inch Apple MacBook Pro with the M1 System on a
> >>>> Chip. I understand that R is not yet available compiled for the M1 SoC
> >>>> hardware, and so I am using Apple’s Rosetta 2.
> >>>> However, this MacBook Pro requires Apple macOS Big Sur. From what I
> >>>> see at https://mac.r-project.org/ R has not been compiled for macOS
> >>>> Big Sur. Is there an executable of R for macOS Big Sur available to
> >>>> download?
> >>>> Greg Coats
> >>>>
> >>>>
> >>>> [[alternative HTML version deleted]]
> >>>>
> >>>> _______________________________________________
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> >>>
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> >>>
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> >>
> >>        [[alternative HTML version deleted]]
> >>
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-- 
Best,
Kasper

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