Standardized interpreter speed evaluation tool

[Terry Reedy]

On 1/8/2010 5:25 AM, alexru wrote:
> Is there any standardized interpreter speed evaluation tool? Say I
> made few changes in interpreter code and want to know if those changes
> made python any better, which test should I use?

The Unladen Swallow (sp?) project at code.google.com/????, which looks 
to change and speedup CPython, has a suite of benchmarks that are are 
perhaps better than PyBench.