[Python-Dev] A new JIT compiler for a faster CPython?
Cesare Di Mauro
cesare.di.mauro at gmail.com
Wed Jul 18 08:05:29 CEST 2012
2012/7/18 Steven D'Aprano <steve at pearwood.info>
> WPython in particular seems to be very promising, and quite fast. I don't
> understand why it doesn't get more attention (although I admit I can't
> criticise, since I haven't installed or used it myself).
Yes, that was the reason that brought me to stop the project: lack of
interest from python community. But at the last EuroPython I had the
opportunity to talk to Guido, so I think that I can try to port WPython
(and check for some ideas).
However the fault with WPython was mine: it wasn't a simple patch, so it
was very difficult to review. My bad.
In the Java world, there are byte-code optimizers such as Soot, BLOAT and
> ProGuard which apparently can speed up Java significantly. As far as I can
> tell, in the Python world byte-code optimization is a severely neglected
> area. For good reason? No idea.
I think that Python case is different. You can't spend so many times on
optimizing the generating code, because usually the code is compiled at the
execution time. Startup time is an issue for Python, which is influenced so
much by the source-to-bytecode compilation.
Java is statically compiled, and then executed. So you can think about
using better optimizers until the code will finally run.
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