[pypy-dev] PyPy 1.1 beta release

[Jacob Hallén]

söndagen den 19 april 2009 skrev Samuele Pedroni:

>   - Through a large number of tweaks, performance has been improved by
>     10%-50% since the 1.0 release. The Python interpreter is now between
>     0.8-2x (and in some corner case 3-4x) of the speed of CPython. A large
>     part of these speed-ups come from our new generational garbage
>     collectors.

I think this formulation is a bit confusing. It is not our speed that is 
0.8-2x CPython, it is our performance relative to CPython that is between 0.8 
and 2, with 0.8 meaning that we are faster than CPython on those benchmarks, 
and 2 meaning that we need twice the time to run the benchmark.

Jacob