[Python-Dev] Python 3 optimizations continued...

[Guido van Rossum]

On Tue, Aug 30, 2011 at 11:34 AM, stefan brunthaler
<stefan at brunthaler.net> wrote:
>> Um, I'm sorry, but that reply sounds incredibly naive, like you're not
>> really sure what the on-disk format for .pyc files is or why it would
>> matter. You're not even answering the question, except indirectly --
>> it seems that you've never even thought about the possibility of
>> generating a .pyc file on one platform and copying it to a computer
>> using a different one.

> Well, it may sound incredibly naive, but the truth is: I am never
> storing the optimized representation to disk, it's done purely at
> runtime when profiling tells me it makes sense to make the switch.
> Thus I circumvent many of the problems outlined by you. So I am
> positive that a full fledged change of the representation has many
> more intricacies to it, but my approach is only tangentially
> related...

Ok, there there's something else you haven't told us. Are you saying
that the original (old) bytecode is still used (and hence written to
and read from .pyc files)?

-- 
--Guido van Rossum (python.org/~guido)