Python threading (was: Re: global interpreter lock not working as it should)

Michael Hudson mwh at
Wed Aug 7 13:15:46 CEST 2002

a-steinhoff at (Armin Steinhoff) writes:

> As an intermediate solution I have only inserts two 
> lines in cevel.c  ... here some performance numbers. 
> Performance unmodified:
> time ../../python

Are you aware what test_threading does?

Lines like

        delay = random.random() * 2

make me doubtful of the use of this test as a benchmark...

>     4.16s real     0.14s user     0.02s system
>     2.66s real     0.16s user     0.02s system
> #
> The performance is increased by ~90 %

Even given the apparent uselessness of this benchmark, where do you
get 90% from here?


  y'rs - tim
              -- Tim Peters dishes out versioning advice on python-dev

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