[pypy-dev] relative occurency of opcodes

Armin Rigo arigo at tunes.org
Wed Jun 18 17:30:15 CEST 2008

Hi Maciej,

On Wed, Jun 18, 2008 at 04:38:29AM +0200, Maciej Fijalkowski wrote:
> I just performed simple statistics on hacked pypy-c. It seems that
> some opcodes are very often repeated by something else. It might make
> sense to create some super opcodes which combine those two.

Someone did that for CPython already.  This is where the PREDICT()
macros in Python/ceval.c come from - they are CPython's solution to the
same measures.


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