On Apr 22, 2009, at 6:43 PM, Lisandro Dalcin wrote: > On Wed, Apr 22, 2009 at 10:37 PM, Greg Ewing > <[email protected]> wrote: >> Lisandro Dalcin wrote: >> >>> If you dive into core CPython sources, I would not be surprised to >>> find places where PyList_Check() is done and PyList_{Set|Get}Item >>> () is >>> next called. >> >> But that's a dynamic check, which might be all right >> for Cython, but it's not the way Pyrex does things.
Cython checks the type on assignment, not every time it gets accessed (just like extension types). > Did you noticed I'm talking about core CPython, not Cython? > > Anyway, IMHO, Cython/Pyrex should optimize ONLY if PyList_CheckExact() > returns 1... Just to avoid surprises... > > > > -- > Lisandro Dalcín > --------------- > Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC) > Instituto de Desarrollo Tecnológico para la Industria Química (INTEC) > Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) > PTLC - Güemes 3450, (3000) Santa Fe, Argentina > Tel/Fax: +54-(0)342-451.1594 > _______________________________________________ > Cython-dev mailing list > [email protected] > http://codespeak.net/mailman/listinfo/cython-dev _______________________________________________ Cython-dev mailing list [email protected] http://codespeak.net/mailman/listinfo/cython-dev
