Date: Mon, 8 Dec 2025 13:15:52 +0100 From: Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> To: freebsd-current@freebsd.org Subject: Re: performance regressions in 15.0 Message-ID: <260c76a9-42ea-4ddb-be43-0e572ae38799@plan-b.pwste.edu.pl> In-Reply-To: <202512081147.5B8BlfDs027094@critter.freebsd.dk> References: <EF95C136-B1D2-4820-A069-D0078A3B5A05@yahoo.com> <18FB2858-5CBB-4B7A-8089-224A58C6A160@yahoo.com> <CANCZdfqfXfzGQRN5TR7KFcNE1-Ng4ECFKD_6V0118b2UwwX09Q@mail.gmail.com> <CAGudoHEztjmAb2uxRYK-CDjUBx6kEoeKDUgF8R4UvhoNp3A4_w@mail.gmail.com> <aTYYpcYm8uOU1M_q@kib.kiev.ua> <20251208035105.2313075d@rimwks.local> <aTYw9RMdJn4vGCdi@kib.kiev.ua> <202512080745.5B87jeIN025646@critter.freebsd.dk> <aTa40Qjb3xviE0eO@kib.kiev.ua> <202512081147.5B8BlfDs027094@critter.freebsd.dk>
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W dniu 8.12.2025 o 12:47, Poul-Henning Kamp pisze: > -------- > 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. > +1 Irrespective of the chosen default, providing a src.conf(5) build-time variable for selecting dynamic or static linking would allow both approaches to be supported. -- Marek Zarychtahome | help
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