Re: [R-sig-Fedora] Changing the BLAS from openblas on a F32 box

2020-05-28 Thread Iñaki Ucar
FYI, USE_LOCKING=1 has been toggled in Fedora, so the next openblas release (0.3.9-3) will be thread-safe by default. On Wed, 27 May 2020 at 23:46, Iñaki Ucar wrote: > > On Wed, 27 May 2020 at 23:03, Gavin Simpson wrote: > > > > Thanks (again) Iñaki. > > > > There was a typo in my reply above.

Re: [R-sig-Fedora] Changing the BLAS from openblas on a F32 box

2020-05-27 Thread Iñaki Ucar
On Wed, 27 May 2020 at 23:03, Gavin Simpson wrote: > > Thanks (again) Iñaki. > > There was a typo in my reply above. I should have said: I *can't* > answer the question re USE_LOCKING=1. :) > Those other suggestions are really helpful too; I really didn't > understand what the difference was

Re: [R-sig-Fedora] Changing the BLAS from openblas on a F32 box

2020-05-27 Thread Gavin Simpson
Thanks (again) Iñaki. There was a typo in my reply above. I should have said: I *can't* answer the question re USE_LOCKING=1. Those other suggestions are really helpful too; I really didn't understand what the difference was (I'm still not clear what the differences are between say

Re: [R-sig-Fedora] Changing the BLAS from openblas on a F32 box

2020-05-27 Thread Iñaki Ucar
On Wed, 27 May 2020 at 21:40, Gavin Simpson wrote: > > Thanks Iñaki, that is exactly what i was looking for, esp the last > option which I have now configured as an alias for easy remembering. > > I can answer the question re USE_LOCKING=1. I think that using both > those options is required to

Re: [R-sig-Fedora] Changing the BLAS from openblas on a F32 box

2020-05-27 Thread Gavin Simpson
Thanks Iñaki, that is exactly what i was looking for, esp the last option which I have now configured as an alias for easy remembering. I can answer the question re USE_LOCKING=1. I think that using both those options is required to get thread-safety even if openblas was compiled for single

Re: [R-sig-Fedora] Changing the BLAS from openblas on a F32 box

2020-05-27 Thread Iñaki Ucar
Hi Gavin, On Wed, 27 May 2020 at 01:15, Gavin Simpson wrote: > > Dear list, > > What is the recommended incantation on Fedora 32 to swap out the > openblas BLAS that the packaged (rpm) version of R-core installs for > ATLAS? I'm afraid there is no official mechanism in place to do that yet.