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I wish there were comparisons with Cython 3.0, which seems like it would be a competitor with the AOT part of what they are doing. For some reason they don’t mention Cython at all.

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Hi William, nice to hear from you. We mention Cython at our front page (at the bottom): https://lpython.org/, together with the other 23 Python compilers that I know about (all of them are competitors, in a way). I am very familiar with Cython from about 10 years ago, but I have not followed the very latest developments. We can do a compilation time and runtime speed benchmarks against Cython in the next blog post. :)

It would also be nice to add some comparison with pythran, which seems to occupy a similar niche (although it can actually compile numpy code to optimized c++ code which I don't think python can do?)

Yes, we can compare with pythran too. We should really compare against all the other compilers, but it's a lot of work to compare meaningfully: we don't want to put up benchmarks unless we are really sure they are solid, and as everyone knows, it's really hard to do benchmarks that are fair, as one has to have solid experience with both projects being benchmarked. But we did Numba and C++, so you for now you can compare pythran against them to get a decent idea.

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