Re: [R-SIG-Mac] [External] Rmpfr on M1 Mac cause 'illegal trap'

2021-02-22 Thread Jean Thioulouse
The good news is that it works fine in the last arm64 R-devel version: > a <- mpfr(1:10, precBits=100) > a 10 'mpfr' numbers of precision 100 bits [1] 1 2 3 4 5 6 7 8 9 10 > sessionInfo() R Under development (unstable) (2021-02-18 r80027) Platform: aarch64-apple-darwin20.0

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

2021-01-14 Thread Jean Thioulouse
Hi - On Intel Macs: R 4.0.3 binary is available for macOS 10.13 (High Sierra) and higher (including Big Sur). - On M1 Macs (Big Sur) : You can use the above R binary in Rosetta mode (faster than on most intel macs) And, if you are "intrepid" (according to Prof. Ripley): There is an

Re: [R-SIG-Mac] M1 mid-January update

2021-01-14 Thread Jean Thioulouse
Is there a large speed difference for linear algebra operations between the Rosetta x86_64 builds and the native arm64 builds ? On a Mac mini M1 8/256 I get only a slight speed increase (15% faster) with the arm version (experimental R-devel build). Thanks Jean > Le 14 janv. 2021 à 08:41,

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

2021-01-11 Thread Jean Thioulouse
and parallel computing mode. Any idea about why I get these results ? Thanks, Jean —- Jean THIOULOUSE - orcid.org/-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 > a

Re: [R-SIG-Mac] Apparent interaction between XQuartz and the Catalina (10.15) macOS upgrade

2019-10-09 Thread Jean Thioulouse
I did not run any of the Catalina betas and have no problem with Catalina/XQuartz. Jean —- Jean THIOULOUSE - orcid.org/-0001-7664-0598 http://lbbe.univ-lyon1.fr/-Thioulouse-Jean-.html https://www.springer.com/fr/book/9781493988488 > Le 9 oct. 2019 à 15:20, Kasper Daniel Han