[Python-Dev] Buffer interface in abstract.c?
Tue, 3 Aug 1999 09:23:31 -0700 (Pacific Daylight Time)
On Tue, 3 Aug 1999, Jack Jansen wrote:
> > > Why not pass the index to the As*Buffer routines as well and make getsegcount
> > > available too?
> > Simply because multiple segments hasn't been seen. All objects
> > supporting the buffer interface have a single segment.
> Hmm. And I went out of my way to include this stupid multi-buffer stuff
> because the NumPy folks said they couldn't live without it (and one of the
> reasons for the buffer stuff was to allow NumPy arrays, which may be
> discontiguous, to be written efficiently).
> Can someone confirm that the Numeric stuff indeed doesn't use this?
/usr/LLNLDistribution/Numerical/Include$ grep buffer *.h
See the other thread on low-overhead pickling.
But again, *if* multiarrays supported the buffer interface, they'd have to
use the multi-segment feature (repeating myself).