[Python-Dev] Python startup time

[Dirkjan Ochtman]

On Thu, Oct 10, 2013 at 2:25 PM, Christian Heimes <christian at python.org> wrote:
> Benchmark of 1000 times "python -c ''"
>
> Python 3.4dev with all my experimental patches:
>
>   Avg: 0.705161 -> 0.443613: 1.59x faster
>
> 2.7 -> 3.4dev:
>
>   Avg: 0.316177 -> 0.669330: 2.12x slower
>
> 2.7 -> 3.4dev with all my patches:
>
>   Avg: 0.314879 -> 0.449556: 1.43x slower
>
> http://pastebin.com/NFrpa7Jh
>
> Ain't bad! The benchmarks were conducted on a fast 8 core machine with SSD.

This seems promising. What OS are you using? On an older Linux server
with old-style HD's, the difference between 2.7 and 3.2 is much larger
for me:

Avg: 0.0312 -> 0.1422: 4.56x slower

(In this case, I think it might be more useful to report as 0.11s
faster, though.)

Cheers,

Dirkjan