Hello,

I downloaded the luahbtex binary(A) from ConTeXt Bulid farm https://build.contextgarden.net/#/builders/40/builds/144 and I compared it with the binary(B) from TeXlive pretest 2026. The result: the binary(A) is OK, the processing time is comparable with luahbtex from TeXlive 2025. The biary(B) is slower (almost two times) as I reported before.

Applying file command to binary(A):

luahbtex: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=cc9bfc6319593228d3f0cf7142c796c3d55b3746, for GNU/Linux 2.6.32, stripped

Applyinf file command to binary(B)

luahbtex: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=6f438fa29895e28d3a33aa6b9d61cd97a125c6d4, for GNU/Linux 3.2.0, stripped

ls -lh luahbtex (binary(A))

-rwxr-xr-x 1 olsak olsak 9.1M Feb 15 14:29 luahbtex

ls -lh luahbtex (binary(B))

-rwxr-xr-x 1 olsak olsak 15M FebĀ  11 22:49 luahbtex

Note: 9MB versus 15MB.

It seems that the problem is related to settings of compilation environment when a binary is built. So, it is not your problem but problem of TeXlive. On the other hand, we should report this problem to TeXlive because binaries from TeXlive are (probably) most used among TeX users.

Petr O.


On 2/15/26 13:30, Petr Olsak wrote:
Sorry, I didn't specify my desktop environment. I am using binary from x86_64-linux from TeXlive.

Petr

On 2/15/26 12:25, Ulrike Fischer wrote:

On windows it looks ok, the speed is similar or a bit faster on the
documents I tried.

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