Faster copying of composite new-class objects

[John J. Lee]

"Alex" <OurLab at gmail.com> writes:

> My program requires copying thousands of composite new-class objects. I
> found that the following: objCopy=cPickle.loads(cPickle.dumps(obj,
> protocol=2)) works about 4 times faster than
> copyObj=copy.deepcopy(obj). Is there any way to do it even faster?
> 
> All objects have slots, __getstate__ and __setstate__.

At a wild guess: writing custom serialisation functions using module
marshal?


John