Re: performance regressions in 15.0

On Mon, 08 Dec 2025 11:47:41 +0000
"Poul-Henning Kamp" <phk@phk.freebsd.dk> wrote:

> --------
> Konstantin Belousov writes:
> 
> > On Mon, Dec 08, 2025 at 07:45:40AM +0000, Poul-Henning Kamp wrote:  
> > > --------
> > > Konstantin Belousov writes:
> > >   
> > > > JFYI, shared llvm libs are required for lot of things.  The
> > > > incomplete list of examples that I am aware of are dri drivers
> > > > and ispc Intel compiler.  
> > > 
> > > But installing the shared libs for those other users, does not
> > > mean we have to link the compiler itself against the shared lib ?
> > >  
> >
> > Sure, we do not have to.
> >
> > But there are other benefits from linking the libraries dynamically.
> > E.g. the same (?) user shed crocodile tears over memory usage by
> > 64bit system, and linking libllvm dynamically exactly reduces the
> > memory profile by sharing significant part of text for cc, lld, and
> > minor binutils.  
> 
> We can offer it as an builtime option, but unless some RAM factory or
> other burns down, it should not be our default.
> 

Option for ports: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291500