[Python-Dev] Faster Set.discard() method?
barry at python.org
Fri Mar 18 15:08:20 CET 2005
On Fri, 2005-03-18 at 01:19, Andrew McNamara wrote:
> No, exceptions are fast at the C level - all they do is set a flag. The
> expense of exceptions is saving a restoring python frames, I think,
> which doesn't happen in this case. So the current implementation is
> ideal for C code - clear and fast.
The other advantage for raising and catching exceptions entirely in C is
that the (class) exceptions are never instantiated. Once you cross the
C-Python barrier you have to pay for that instantiation.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 307 bytes
Desc: This is a digitally signed message part
Url : http://mail.python.org/pipermail/python-dev/attachments/20050318/3dd8d91f/attachment.pgp
More information about the Python-Dev