[luatex] runtime

[Herbert Voss]

Am 24.02.22 um 22:09 schrieb luigi scarso:

> >     I am running lualatex with package pdfpages to insert
>
>     >     970 pages of another document:
>     >
>     >     It takes a lot of time:
>     >
>     >     real    4m31.530s
>     >     user    3m30.000s
>     >     sys     0m58.771
>     >
>     >
>     >     running it with pdflatex:
>     >
>     >     real    0m27.802s
>     >     user    0m24.902s
>     >     sys     0m2.028s
>     >
>     >
>     > Can you test with an equivalent plain luatex file ?
>


No change with luatex:

real    4m19.251s
user    3m14.071s
sys     0m57.730s

\outputmode=1
\edef\pdfcompresslevel {\pdfvariable compresslevel}
\edef\pdfminorversion{\pdfvariable minorversion}

\let\pdfximage\saveimageresource
\let\pdfrefximage\useimageresource
\let\pdflastximage\lastsavedimageresourceindex

\pdfminorversion=7
\pdfcompresslevel=0

\topskip0pt

\newcount\pp \pp=1
\loop
   \pdfximage width \hsize height \vsize page \the\pp 
{target/buch.pdf}\relax
   \hbox{\pdfrefximage\pdflastximage}\relax\eject
   \advance\pp by 1
   \ifnum\the\pp < 950
\repeat

\bye


Herbert