[weliveindetail]

Please note that the post didn't mention the word benchmark a single time ;) It does a "basic performance measurement" of "our csmith example". Anyway, thanks for your notes, they are very welcome and valid.

Comparing TPDE against the default optimization level in ORC is not fair (because that is -O2 indeed), but that's what we get off-the-shelf. I tested the explicit FastISel setting and it didn't help on the LLVM side, as you said. I didn't try the command-line option though, thanks for the tip! (Especially the -pass-remarks-missed will be useful.)

And yeah, csmith doesn't really generate representative code, but again that was not stated either. I didn't dive into JITLink as it would be a whole post on its own, but yes feature-completeness prevailed over performance here as well -- seems characteristic for LLVM and isn't soo surprising :)

Last but not least, yes multi-threading isn't working as good as the post indicates. This seems related to the fix that JuliaLang did for the TaskDispatcher [1]. I will correct this in the post and see which other points can be addressed in the repo.

Looking forward for your OrcCompileLayer in TPDE!

[1] https://github.com/JuliaLang/julia/pull/58950