Re: [Rd] boneheaded BLAS questions

2021-03-17 Thread Dirk Eddelbuettel
On 17 March 2021 at 22:53, Ben Bolker wrote: |Thanks. I know it's supposed to Just Work (and I definitely | appreciate all the work that's gone into making it Just Work 99% of the | time!). And for what it is worth, the aforementioned 'switching from within' solution is using FlexiBLAS (n

Re: [Rd] boneheaded BLAS questions

2021-03-17 Thread Simon Urbanek
Ben, possibly useful project related to this https://github.com/staticfloat/libblastrampoline which is what Dirk referred to as the Julia state of art. It is actually much more complex than it sounds because of differences in naming and ABI between BLAS implementations, so simple switches don't

Re: [Rd] boneheaded BLAS questions

2021-03-17 Thread Ben Bolker
Thanks. I know it's supposed to Just Work (and I definitely appreciate all the work that's gone into making it Just Work 99% of the time!). I tried --with-lapack, no joy. Will try to decipher the rules file tomorrow ... cheers Ben On 3/17/21 10:25 PM, Dirk Eddelbuettel wrote: B

Re: [Rd] boneheaded BLAS questions

2021-03-17 Thread Dirk Eddelbuettel
Ben, This stuff has worked unchanged since the 1990s when we had a _really_ far sighted fellow in Debian come up with the 'switch the links' scheme which was (and is) subsequently deployed by many numerical applications within Debian, R and e.g. Octave included. And I used this ability to switc

[Rd] boneheaded BLAS questions

2021-03-17 Thread Ben Bolker
I've been going around in circles trying to get BLAS-switching working on a current r-devel, I'm sure I'm doing something dumb. Any ideas about what I might be doing wrong, or suggestions for further diagnosis, would be welcome! tl;dr I am compiling R-devel with (to the best of my knowle

Re: [Rd] reshape documentation

2021-03-17 Thread Michael Dewey
Comments in line On 13/03/2021 09:50, SOEIRO Thomas wrote: Dear list, I have some questions/suggestions about reshape. 1) I think a good amount of the popularity of base::reshape alternative is due to the complexity of reshape documentation. It is quite hard (at least it is for me) to figure

Re: [Rd] Faster sorting algorithm...

2021-03-17 Thread Morgan Morgan
Thank you Neal. This is interesting. I will have a look at pqR. Indeed radix only does C collation, I believe that is why it is not the default choice for character ordering and sorting. Not sure but I believe it can help address the following bugzilla item: https://bugs.r-project.org/bugzilla/show

Re: [Rd] quantile() names

2021-03-17 Thread Martin Maechler
Getting back to this after 3 months : > Martin Maechler > on Wed, 16 Dec 2020 11:13:32 +0100 writes: > Gabriel Becker > on Mon, 14 Dec 2020 13:23:00 -0800 writes: >> Hi Edgar, I certainly don't think quantile(x, .975) should >> return 980, as that is a completel