[Numpy-discussion] Numpy 2.0 schedule

Benjamin Root ben.root@ou....
Mon Feb 28 09:02:14 CST 2011


On Mon, Feb 28, 2011 at 8:36 AM, Bruce Southey <bsouthey@gmail.com> wrote:

> On 02/28/2011 02:00 AM, Ralf Gommers wrote:
> > Hi,
> >
> > On Fri, Jan 28, 2011 at 7:15 AM, Travis Oliphant<oliphant@enthought.com>
>  wrote:
> >> The reason for a NumPy 1.6 suggestion, is that Mark (and others it would
> >> seem) have additional work and features that do not need to wait for the
> >> NumPy 2.0 ABI design to finalize in order to get out there.
> >> If someone is willing to manage the release of NumPy 1.6, then it sounds
> >> like a great idea to me.
> > This thread ended without a conclusion a month ago. Now I think master
> > is in a better state than a month ago for a release (py 2.4/2.5/3.x
> > issues and segfault on OS X fixed, more testing of changes), and I
> > have a better idea of my free time for March/April. Basically, I have
> > a good amount of time for the next couple of weeks, and not so much at
> > the end of March / first half of April due to an inter-continental
> > move. But I think we can get out a beta by mid-March, and I can manage
> > the release.
> >
> > I've had a look at the bug tracker, here's a list of tickets for 1.6:
> > #1748 (blocker: regression for astype('str'))
> > #1619 (issue with dtypes, with patch)
> > #1749 (distutils, py 3.2)
> > #1601 (distutils, py 3.2)
> > #1622 (Solaris segfault, with patch)
> > #1713 (Solaris segfault)
> > #1631 (Solaris segfault)
> >
> > I can look at the distutils tickets.
> >
> > The other thing that needs to be done is some (more) documentation of
> > new features. Einsum and the new iterator seem to be well documented,
> > but not described in the release notes. Datetime has no docs as far as
> > I can see except for two similar NEPs.
> >
> > Proposed schedule:
> > March 15: beta 1
> > March 28: rc 1
> > April 17: rc 2 (if needed)
> > April 24: final release
> >
> > Let me know what you think. Bonus points for volunteering to fix some
> > of those tickets:)
> >
> > Cheers,
> > Ralf
> > _______________________________________________
> > NumPy-Discussion mailing list
> > NumPy-Discussion@scipy.org
> > http://mail.scipy.org/mailman/listinfo/numpy-discussion
> Is this 1.6 or 2.0?
> The title is 2.0 but you talk about 1.6 so some tickets listed as 2.0
> may apply to 1.6.
>
> It would be great to do some 'housekeeping' and try to address some of
> the old tickets dealt with before numpy 2.0. For example, I think ticket
> 225 (bincount does not accept input of type > N.uint16) has been
> addressed but it needs to be checked from windows and 32-bit systems.
>
> Bruce
>
> Created 2006:
> #38    strides accepted as an argument to records.array
> #57    ufunc methods need improved BUFFER loop
> #213    SharedLibrary builder for numpy.distutils
> #225    bincount does not accept input of type > N.uint16
> #236    reduceat cornercase
> #237    reduceat should handle outlier indices gracefully
> #244    Build fails with Intel Visual Fortran compiler
> #260    Add mechanism for registering objects to be deallocated and
> memory-to-be freed at Python exit
> #274    Speed up N-D Boolean indexing
> #301    power with negative argument returns 0
> #333    Creating an array from a n-dim dtype type fails
> #338    Valgrind warning when calling scipy.interpolate.interp1d
> #349    Improve unit tests in linalg
> #354    Possible inconsistency in 0-dim and scalar empty array types
> #398    Compatibility loader for old Numeric pickles
> #400    C API access to fft for C scipy extension ?
> #402    newaxis incompatible with array indexing
>
>
> Numpy 1.0
> #450    Make a.min() not copy data
> #417    Numpy 1.0.1 compilation fails on IRIX 6.5
> #527    fortran linking flag option...
> #1176    deepcopy turns ndarry into string_
> #1143    Improve performance of PyUFunc_Reduce
> #931    Records containing zero-length items pickle just fine, but
> cannot be unpickled
> #803    Assignment problem on matrix advanced selection
>
> Numpy 1.1
> #1266    Extremely long runtimes in numpy.fft.fft
> #963    Object array comparisons eat exceptions
> #929    empty_like and zeros_like behave differently from ones_like
> #934    Documentation error in site.cfg.example
>
> Numpy 1.2
> #1374    Ticket 628 not fixed for Solaris (polyfit uses 100% CPU and
> does not stop)
> #1209    Docstring for numpy.numarray.random_array.multinomial is out of
> date.
> #1192    integer dot product
> #1172    abs does not work with -maxint
> #1163    Incorrect conversion to Int64 by loadtxt (traced to _getconv in
> numpy.lib.io)
> #1161    Errors and/or wrong result with reverse slicing in numpy.delete
> #1094    masked array autotest fails with bus error
> #1085    Surprising results from in-place operations involving views
> #1071    loadtxt fails if the last column contains empty value
>
>
>
So, is there still no hope in addressing this old bug report of mine?

http://projects.scipy.org/numpy/ticket/1562

Ben Root
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