#4206: [with patch, needs work] convert RDF and CDF vectors to use numpy
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Reporter: jason | Owner: was
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.2.1
Component: linear algebra | Resolution:
Keywords: |
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Comment (by mabshoff):
Replying to [comment:6 was]:
> > Make the real_roots and timeseries files use the Cython buffer
interface
>
> If you do that to timeseries, please do not degrade performance at all.
The whole point of timeseries is "blazing speed" -- many of the functions
are easily 10-15 times faster than the same functions in matlab/numpy, and
part of this is because of using a simple data structure (double*).
If I understand this patch correctly the buffer interface in Cython to
numpy avoids copying data. Since the data are stored as double* there
should be a small increase in performance and the use of the buffer
interface does not imply that functionality gets moved from something else
to numpy.
Cheers,
Michael
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4206#comment:7>
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