[Numpy-discussion] FYI: libflatarray

2014-02-13 Thread Neal Becker
I thought this was interesting: http://www.libgeodecomp.org/libflatarray.html ___ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion

Re: [Numpy-discussion] libflatarray

2014-02-13 Thread Sturla Molden
Neal Becker ndbeck...@gmail.com wrote: I thought this was interesting: http://www.libgeodecomp.org/libflatarray.html This is mostly flawed thinking. Nowadays, CPUs are much faster than memory access, and the gap is just increasing. In addition, CPUs have hierarchical memory (several layers of

Re: [Numpy-discussion] libflatarray

2014-02-13 Thread Eelco Hoogendoorn
As usual, 'it depends', but a struct of arrays layout (which is a virtual necessity on GPU's), can also be advantageous on the CPU. One rarely acts on only a single object at a time; but quite often, you only work on a subset of the objects attributes at a time. In an array of structs layout, you

Re: [Numpy-discussion] deprecate numpy.matrix

2014-02-13 Thread alex
On Mon, Feb 10, 2014 at 11:16 AM, Alexander Belopolsky ndar...@mac.com wrote: On Sun, Feb 9, 2014 at 4:59 PM, alex argri...@ncsu.edu wrote: On the other hand, it really needs to be deprecated. While numpy.matrix may have its problems, a NEP should list a better rationale than the above to

[Numpy-discussion] GSOC

2014-02-13 Thread Charles R Harris
Thought I'd forward this to the lists in case we need to do something. Hi everyone, Just a friendly reminder that applications for mentoring organizations close in about 24 hours. Please get your applications in soon, we will not accept late applications for any reason! Thanks, Carol

Re: [Numpy-discussion] GSOC

2014-02-13 Thread Jennifer stone
On Thu, Feb 13, 2014 at 10:18 PM, Charles R Harris charlesr.har...@gmail.com wrote: Thought I'd forward this to the lists in case we need to do something. Hi everyone, Just a friendly reminder that applications for mentoring organizations close in about 24 hours. Please get your

Re: [Numpy-discussion] GSOC

2014-02-13 Thread josef . pktd
On Thu, Feb 13, 2014 at 1:27 PM, Jennifer stone jenny.stone...@gmail.comwrote: On Thu, Feb 13, 2014 at 10:18 PM, Charles R Harris charlesr.har...@gmail.com wrote: Thought I'd forward this to the lists in case we need to do something. Hi everyone, Just a friendly reminder that

Re: [Numpy-discussion] GSOC

2014-02-13 Thread Pauli Virtanen
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 13.02.2014 20:59, josef.p...@gmail.com kirjoitti: [clip] I assume numpy/scipy will participate under the PSF umbrella. So this deadline is for the PSF. However, Terri, the organizer for the PSF, asked for links to Ideas pages to be able to show

Re: [Numpy-discussion] GSOC

2014-02-13 Thread josef . pktd
On Thu, Feb 13, 2014 at 2:44 PM, Pauli Virtanen p...@iki.fi wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 13.02.2014 20:59, josef.p...@gmail.com kirjoitti: [clip] I assume numpy/scipy will participate under the PSF umbrella. So this deadline is for the PSF. However, Terri, the