[R-SIG-Mac] Apple Silicon aka M1 Macs
c@@rd|@g@bor @end|ng |rom gm@||@com
Tue Nov 17 16:47:19 CET 2020
One thing that I noticed both on Silicon and the intel macs at GitHub
Actions, is that the CRAN installer does not create the symlinks in
`/usr/local/bin`. Probably some permission or entitlement issue. So
you'll probably want to create them manually. E.g. on GHA it goes like
On Tue, Nov 17, 2020 at 3:15 PM Roy Mendelssohn - NOAA Federal via
R-SIG-Mac <r-sig-mac using r-project.org> wrote:
> Thank to all who are working on this. Looks like a lot of work. Also looks like when and if R can run in native mode on the M1 it will be very fast.
> > On Nov 17, 2020, at 6:57 AM, Prof Brian Ripley <ripley using stats.ox.ac.uk> wrote:
> > Mine (a 8GB MBA) arrived today, so I have started doing some comparisons.
> > For the CRAN build of R 4.0.3, §2.8 of R-admin recommends checking the installation with
> > pdf("tests.pdf") ## optional, but prevents flashing graphics windows
> > Sys.setenv(LC_COLLATE = "C", LC_TIME = "C", LANGUAGE = "en")
> > tools::testInstalledBasic("both")
> > tools::testInstalledPackages(scope = "base")
> > tools::testInstalledPackages(scope = "recommended")
> > That took 454s (using Rosetta) against 895s for my late-2016 MBP (2.9GHz i5): happily nothing untoward was reported (some recommended packages give differences from reference output on both systems).
> > You need to install XQuartz to provide the X11() devices and support for package Tcl/Tk: everything I tried using that worked as expected.
> > Having done that post-installation check I would happily use the Intel R on an M1 machine.
> > We plan to check many of the Intel-compiled packages under Rosetta.
> > There are many hours of work ahead to build/test a native toolchain: our goal is to have a native distribution for R 4.1.0 ca April 2021.
> > --
> > Brian D. Ripley, ripley using stats.ox.ac.uk
> > Emeritus Professor of Applied Statistics, University of Oxford
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> Roy Mendelssohn
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