On 18/03/2024 17:44, Donald Hunter wrote:
With Sphinx 2.4.4 I always get timings in this ballpark: % time make htmldocs ... real 4m5.417s user 17m0.379s sys 1m11.889s With Sphinx 7.2.6 it's typically over 9 minutes: % time make htmldocs ... real 9m0.533s user 15m38.397s sys 1m0.907s
Was this running 'make cleandocs' (or otherwise removing the output directory) in between? Sphinx is known to be slower if you already have an output directory with existing-but-obsolete data, I believe this is the case even when switching from one Sphinx version to another. Akira also wrote about the 7.x performance: https://lore.kernel.org/linux-doc/6e4b66fe-dbb3-4149-ac7e-8ae333d6fc9d@xxxxxxxxx/
I have an experimental fix that uses a dict for lookups. With the fix, I consistently get times in the sub 5 minute range:
Fantastic! There is a github issue for the C++ domain but I believe it's the same issue for both C and C++ domains: https://github.com/sphinx-doc/sphinx/issues/10966 Vegard
