Non-human users of TeX Live

[Carlos]

On Fri, May 03, 2024 at 02:02:38PM -0400, Carlos wrote:
> On Fri, May 03, 2024 at 09:56:13PM +0900, Norbert Preining wrote:
> > Jonathan,
> > 
> > On Fri, 03 May 2024, Jonathan Fine wrote:
> > > I'd like some of us to focus on making TeX easier for these non-human
> > > users, or rather for the people who manage the non-humans.
> > 
> > And in your infinite wisdom, what does this mean?
> 
> LOL 
> 

Jonathan I am not mocking you or anything. Had to laugh after reading the response from Norbert. Sorry if interpreted otherwise.

But apparently this issue was also reported on the debian bugs list

but you're certainly right. The last message looks fishy. Who the heck is happistance by the way? Thank goodness I'm not running debian with this steev* 

> > Unfortunately, I'm not at all experienced with LaTeX, and we're only
> > pulling the dependency in by happistance of something else depending
> > on it to generate pdf reports.  The main reason I suspected it is
> > that, according to the packaging changelog, arm64 enabled lua support
> > in the above timeframe.  As Max pointed out, sid is now much slower
> > than stable, so it could be something completely different is causing
> > this to manifest.
> > 
> > --steev


> Archived-At: <http://permalink.gmane.org/gmane.linux.debian.devel.bugs.general/1913236>
> 
> Package: texlive-latex-extra
> Version: 2023.20240207-1
> Severity: wishlist
> User: devel at kali.org
> Usertags: origin-kali
> 
> Dear Maintainer,
> 
> Since the 2023.20240207-1 release, there is a major performance regression when
> running the tex-common postinst hook in an arm64 chroot on amd64 host.  
> 
> This was not the case with 2022.20230122-3.
> 
> When running the hook with the 2023.20240207, this step takes around 3 hours.
> 
> I'm guessing that this is related to enabling lua on aarch64 finally, but I'm
> not familiar at all with latex and how to get the smallest possible test case to
> show the issue.
> 
> A way to reproduce the issue would be to install debootstrap, qemu-user-static
> and systemd-nspawn and then run apt-get install texlive-latex-extra
> 
> On an arm64 host (VM on an original M1 Macbook Air), this is fine
> 
> sudo debootstrap --arch arm64 stable stable
> sudo systemd-nspawn -D stable
> time apt-get install texlive-latex-extra -y
> 
> real   1m4.121s
> user   0m52.893s
> system 0m6.116s
> 
> (due to the t64 transition, testing is currentl unable to debootstrap)
> 
> sudo debootstrap --arch arm64 sid sid
> sudo systemd-nspawn -D sid
> time apt-get install texlive-latex-extra -y
> 
> real 1m24.647s
> user 1m14.897s
> sys  0m6.558s
> 
> In the qemu emulated build however, 
> 
> sudo debootstrap --arch arm64 stable stable
> sudo systemd-nspawn -D stable
> time apt-get install texlive-latex-extra -y
> 
> real 13m14.171s
> user 13m26.363s
> sys  0m53.424s
> 
> texlive-latex-recommended: 2022.20230122-3
> 
> sudo debootstrap --arch arm64 sid sid
> sudo systemd-nspawn -D sid
> time apt-get install texlive-latex-extra -y
> 
> real 181m11.687s
> user 181m43.534s
> sys  1m5.422s
> 
> texlive-latex-recommended: 2023.20240207-1
> 
> 
> So the version of latex in stable took less than 15 minutes to install, but the
> version in testing and unstable both take 2 1/2 hours!  I did also test
> 2024.20240313.70630+ds-1 from experimental and it also takes the 2 1/2 hours.
> 
> Currently, we are working around this by forcing our package list to not install
> any of the latex packages, but it would be nice to be able to have the packages
> installed instead of telling end users to install them manually.
> 
> If you need me to do more testing or any sort of additional information, please
> let me know!
> 
> -- steev


> > We are debugging a slowdown on a qemu emulated run, does your oh so
> > important contribution have anything related to this?
> > 
> > Best regards
> > 
> > Norbert
> > 
> > --
> > PREINING Norbert                              https://www.preining.info
> > arXiv / Cornell University   +   IFMGA Guide   +   TU Wien  +  TeX Live
> > GPG: 0x860CDC13   fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13
> > 
> 
> -- 
> 
> 

--