Dave wrote: > Hello All, > > As far as I understand, Python deals with a lot of > string objects, i.e. it looks up all names. Is there a > way to find out how many name lookup operations take > place in a Python program? Is it the name lookup > operation or hash operation that degrades performance? > What function does Python use for name lookup > operations? Is it the lookdict function in > Objects/dictobject.c? > > Thank you for your help! > Be aware that it doesn't "look up all names" if by that you mean that all variable accesses are symbolic. Function-local variables are referred to by a pre-computed offset in the stack frame, and so are much more quickly accessed than others, where the name-based access is typically used.
The only way I can think of to get the number you want is to instrument the interpreter once you have determined what you are really asking. regards Steve -- Steve Holden +44 150 684 7255 +1 800 494 3119 Holden Web LLC www.holdenweb.com PyCon TX 2006 www.python.org/pycon/ -- http://mail.python.org/mailman/listinfo/python-list
