[pypy-dev] [pypy-commit] pypy default: Unroll list.count() when the list is virtual or very small and constant lenght

Amaury Forgeot d'Arc amauryfa at gmail.com
Fri Aug 30 13:58:01 CEST 2013


2013/8/30 Carl Friedrich Bolz <cfbolz at gmx.de>

> Hi Alex,
>
> please revert this change, it can lead to combinatorial explosion: it
> can give a bridge per pattern of where in the list the object is found.
>

Doesn't list.count() traverse all the list in all cases?

-- 
Amaury Forgeot d'Arc
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