[luatex] extreme slow down using pre release TL 2022 with lualatex

[luigi scarso]

On Fri, Mar 18, 2022 at 1:12 AM Nasser M. Abbasi <nma at 12000.org> wrote:

> On 3/17/2022 2:52 PM, Patrick Gundlach wrote:
> > Hello Nasser,
> >
> > do you still have this issue?
> >
>
> Yes.  It slows down as the file size increased.
>
> lualatex is running. Not hanged or anything. But very slow.
>
> PID USER  PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
> 21615 me  20   0  832316 816708   6592 R  99.7  1.6 392:40.05 lualatex
>
> The file has 9,000 problems (each on its own subsection, each problem
> is read from separate latex file in separate sub folder).
>
> When I had about 6,000 problems, it was fast. About 1-2 hrs to compile.
>
> After adding more problems, I see the slow down.
>
> I see the output going to the terminal OK as we speak. But it takes
> about 20-30 seconds to see one line printed after the other on
> the terminal. Very slow.
>
> Initially the printed lines were coming to the screen
> very fast (scrolling) but then the line scrolling becomes slower and
> slower.
>
> At this rate it will take 10 months to compile this one file.
>
> The Latex file does \subimport to load individual latex file for each
> problem. There are almost 9,000 \subimport in the latex file.
>
> When compiled to PDF it should be about 50,000 pdf pages.
>
> I can make a zip file with everything and the command I use to compile
> if someone wants to see for themselves. But it will be large zip.
>

I can check it , if you want.


-- 
luigi
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