I refer to https://cran.r-project.org/bin/macosx/RMacOSX-FAQ.html and specifically to https://cran.r-project.org/bin/macosx/RMacOSX-FAQ.html#Which-BLAS-is-used-and-how-can-it-be-changed_003f. I would request the FAQ author(s) to update the FAQ when they can.
> On 27 Nov 2020, at 12:29 AM, Prof Brian Ripley <rip...@stats.ox.ac.uk> wrote: > > On 26/11/2020 21:19, Anirban Mukherjee wrote: >> Dear Prof Ripley, >> 1. Ok. I will not use LAPACK from the Accelerate library. >> 2. Ok. It would be great, when the CRAN team has the time, to update the >> FAQ.] > > Which FAQ? The CRAN team is not responsible for the 'MacOSX FAQ' (nor any of > the others): 'from CRAN' in that doc means 'mirrored by CRAN from Simon > Urbanek'. > >> 3. I need to pass -Wno-implicit-function-declaration to have the compiled R >> use the Accelerate BLAS. Without the flag (even without --with-lapack) R >> compiles fine but uses the included stock BLAS. > > I believe that had already changed (in R-devel and R-patched): your R was not > current. (Please do re-read the R lists' posting guide and update before > posting.) > >> Best, >> Anirban >>> On 26 Nov 2020, at 4:22 AM, Prof Brian Ripley <rip...@stats.ox.ac.uk> wrote: >>> >>> A few comments: >>> >>> 1) Do you really want to be using an old and buggy LAPACK? For that is >>> what --with-lapack gives you, and the manual does warn you. >>> >>> 2) With Xcode 12.2 you will not see the .dylibs you are used to seeing: >>> linking to system resources is done using .tbd files and although the >>> dylibs are there, they (and much else) are hidden from casual view. >>> >>> 3) The instructions in the manual work for me with macOS 11.0.1 and CLT >>> 12.2, both on x86_64 and on arm64. And Accelerate is being used, as the >>> check output is slightly different and I have (without --with-lapack) >>> >>>> sessionInfo() >>> R Under development (unstable) (2020-11-25 r79505) >>> Platform: x86_64-apple-darwin20.1.0 (64-bit) >>> Running under: macOS Big Sur 11.0.1 >>> >>> Matrix products: default >>> LAPACK: /Users/ripley/R/R-accelerate/lib/libRlapack.dylib >>> >>> with >>> >>> otool -L .../libRlapack.dylib >>> libRlapack.dylib (compatibility version 4.1.0, current version 4.1.0) >>> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate >>> (compatibility version 1.0.0, current version 4.0.0) >>> ... >>> >>> as against a default build: >>> >>>> sessionInfo() >>> R Under development (unstable) (2020-11-25 r79505) >>> Platform: x86_64-apple-darwin20.1.0 (64-bit) >>> Running under: macOS Big Sur 11.0.1 >>> >>> Matrix products: default >>> BLAS: /Users/ripley/R/R-devel/lib/libRblas.dylib >>> LAPACK: /Users/ripley/R/R-devel/lib/libRlapack.dylib >>> >>> >>> >>> On 22/11/2020 09:15, Anirban Mukherjee wrote: >>>> Hi, >>>> I am having trouble using vecLib BLAS and LAPACK libraries in R 4.0.3 >>>> Patched (2020-11-20 r79454) on Mac OS 11.0.1 and Xcode 12.2. >>>> For several years, I have been compiling R from source on the same >>>> computer. Most recently, I compiled R from source on Mac OS 10.15.7 and >>>> Xcode 11.5. As given in the R installation and administration manual, I >>>> specified the following configuration options: >>>> 1. --with-blas="-framework Accelerate” >>>> 2. --with-lapack >>>> As expected, those two configurations options led to R using the vecLib >>>> libraries. >>>> After upgrading from Mac OS 10.15.7 to Mac OS 11.01, I find that my new >>>> compilations of R no longer use vecLib BLAS and LAPACK libraries >>>> (sessionInfo below message). I poked around in >>>> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/Versions/Current/. >>>> I do not see libBLAS.dylib and libLAPACK.dylib. >>>> May I enquire: >>>> a. Should I see libBLAS.dylib and libLAPACK.dylib in the vecLib framework >>>> folder (on Mac OS 11.01 and Xcode 12.2). As I remember it, that is where >>>> those libraries were located in prior versions of Mac OS and Xcode. Is the >>>> fact that they are missing unique to my machine? If so, then they likely >>>> were deleted in the upgrade as they must have been present when I compiled >>>> R a few weeks ago. >>>> b. Has anyone compiled R from source on Mac OS 11.0.1 and Xcode 12.2? Does >>>> your R use the vecLib libaries (if that is what you prefer)? >>>> Any help would be very welcome. >>>> Thanks, >>>> Anirban >>>>> sessionInfo() >>>> R version 4.0.3 Patched (2020-11-20 r79454) >>>> Platform: x86_64-apple-darwin20.1.0 (64-bit) >>>> Running under: macOS Big Sur 10.16 >>>> Matrix products: default >>>> LAPACK: >>>> /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRlapack.dylib >>>> locale: >>>> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8 >>>> attached base packages: >>>> [1] stats graphics grDevices utils datasets methods base >>>> loaded via a namespace (and not attached): >>>> [1] compiler_4.0.3 tools_4.0.3 >>>> _______________________________________________ >>>> R-SIG-Mac mailing list >>>> R-SIG-Mac@r-project.org >>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac >>> >>> >>> -- >>> Brian D. Ripley, rip...@stats.ox.ac.uk >>> Emeritus Professor of Applied Statistics, University of Oxford > > > -- > Brian D. Ripley, rip...@stats.ox.ac.uk > Emeritus Professor of Applied Statistics, University of Oxford _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac
