Guido van Rossum added the comment:

OK, I get it. I think it would be really helpful if issue 26110 was updated, 
reviewed and committed -- it sound like a good idea on its own, and it needs 
some burn-in time due to the introduction of two new opcodes. (That's 
especially important since there's also a patch introducing wordcode, i.e. 
issue 26647 and undoubtedly the two patches will conflict.) It also needs to 
show benchmark results on its own (but I think you've got that).

I am also happy to see the LOAD_GLOBAL optimization, and it alone may be 
sufficient to save PEP 509 (though I would recommend editing the text of the 
PEP dramatically to focus on a brief but crisp description of the change itself 
and the use that LOAD_GLOBAL would make of it and the microbench results; it 
currently is a pain to read the whole thing).

I have to read up on what you're doing to LOAD_ATTR/LOAD_METHOD. In the mean 
time I wonder how that would fare in a world where most attr lookups are in 
namedtuples.

As a general recommendation I would actually prefer more separate patches (even 
though it's harder on you), just with very clearly stated relationships between 
them.

A question about the strategy of only optimizing code objects that are called a 
lot. Doesn't this mean that a "main" function containing a major inner loop 
doesn't get the optimization it might deserve?

PS. I like you a lot but there's no way I'm going to "bare" with you. :-)

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<http://bugs.python.org/issue26219>
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