Buildworld and buildkernel with very slow compilation, recently

[Konstantin Belousov]

On Sun, Jun 21, 2020 at 02:48:51PM +0200, Ronald Klop wrote:
> Building ports/pkgs is also significantly slower on 13 (new clang) than on 12.1.
> http://thunderx1.nyi.freebsd.org/
> 13 = 140 hours12.1 = 103 hoursFor roughly the same amount of ports.
If you use stock HEAD GENERIC kernel config and stock-built libc,
it is expected.  Both kernel and jemalloc has extensive debugging turned
on, on HEAD.

> 
> Regards, Ronald
> 
> Van: Michael Grimm <trashcan at ellael.org>
> Datum: 21 juni 2020 14:12
> Aan: FreeBSD-STABLE Mailing List <freebsd-stable at freebsd.org>
> Onderwerp: Buildworld and buildkernel with very slow compilation, recently
> 
> > 
> > 
> > Hi,
> > 
> > I am following FreeBSD 12.1-STABLE.
> > 
> > Clang has been upgraded to version 10.0.0 on May, 1st, and ever since that time, I do observe a dramatic increase in compilation times of building world, kernel and ports. I didn't benchmark the exact times, but compilation times are at least increased by a factor of 1.5. Nothing has changed of the last month besides upgrading 12.1-Stable every other week.
> > 
> > Has anyone else been bitten by this?
> > 
> > Regards,
> > Michael
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> > 
> > 
> > 
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