[pypy-dev] Pypy custom interpreter JIT question

Andrew Brown brownan at gmail.com
Thu Mar 31 14:40:09 CEST 2011

Compiling with -O0 is really quick, but the runtime is fairly slow. I
haven't tried with -O1. -O2 takes a few seconds to compile, but that plus
runtime is still faster than the pypy version with jit, but not by too much
(I'm recalling the tests I did with the mandelbrot program specifically). I
can get some actual numbers later today.

Sure I'll write up a post. This was a lot of fun, and I think it's a great
way to teach people how pypy works.


On Thu, Mar 31, 2011 at 8:33 AM, Antonio Cuni <anto.cuni at gmail.com> wrote:

> On 31/03/11 14:28, Andrew Brown wrote:
> > In any case, I'm satisfied with the speed. It's still beaten by a BF to C
> > translator combined with gcc -O2 though, that'd be a tough case to beat.
> =)
> what happens if you combine the BF to C with gcc -O0 or -O1?
> Anyway, I think that if you feel like writing a post explaining your
> experience with using pypy and its jit for writing an interpreter, we could
> publish it on our blog.  I suppose it would be useful/interesting for other
> people as well.
> What do the others think?
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