zimoun schreef op ma 02-05-2022 om 19:41 [+0200]:
> > (*) In my case, this is not about supercomputers or computer
> > clusters, but about having software run fast enough on the hardware
> > that is available.  In some situations, that's a fancy
> > supercomputer, but often a simple laptop can do ... if the software
> > is sufficiently optimised.
> 
> I agree that HPC practitioners can burn some CPU cycles and recompile
> the world if they care so much about run-time performances.
> 
> To me, it is the same trade-off by HPC folks as custom / performance
> vs portable / pre-built. :-)

I didn't mean rebuilding the world, only things like numpy, openblas,
fftw and maybe glibc -- avoiding rebuilding dependents, with the grafts
mechanism used by --tune.

Greetiings,
Maxime.