2012/4/9 Greg Ewing <greg.ew...@canterbury.ac.nz>: > Mark Shannon wrote: > >> We have recently removed the f_yieldfrom field from the frame object. >> (http://bugs.python.org/issue14230) > > > Hey, wait a minute. Did anyone consider the performance effect > of that change on deeply nested yield-froms? > > The way it was, a yield-from chain was traversed by a very > tight C loop that found the end frame and resumed it directly. > If I understand what you've done correctly, now it has to > enter and execute a bytecode in every frame along the way.
I think correctness is more important that performance, though. -- Regards, Benjamin _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
