Re: [Numpy-discussion] [ANN] carray: an in-memory compressed data container

2010-08-20 Thread Francesc Alted
2010/8/20, Zbyszek Szmek : > OK, I've got a case where carray really shines :| > > zbys...@escher:~/python/numpy/carray-0.1.dev$ PYTHONPATH=. python > bench/concat.py numpy 80 1000 4 1 > problem size: (80) x 1000 = 10^8.90309 > time for concat: 4.806s > size of the final container: 6103.516

Re: [Numpy-discussion] Making MATLAB and Python "play nice"

2010-08-20 Thread Robert Kern
On Fri, Aug 20, 2010 at 14:25, David Goldsmith wrote: > Hi!  Please forgive the re-post: I forgot to change the subject line > and I haven't seen a response to this yet, so I'm assuming the former > might be the cause of the latter. Or perhaps because the licenses are plainly visible at the links

[Numpy-discussion] Making MATLAB and Python "play nice"

2010-08-20 Thread David Goldsmith
Hi! Please forgive the re-post: I forgot to change the subject line and I haven't seen a response to this yet, so I'm assuming the former might be the cause of the latter. My question follows the quoted posts. Thanks! > From: Sturla Molden > Subject: Re: [Numpy-discussion] [SciPy-Dev] Good-bye

Re: [Numpy-discussion] [ANN] carray: an in-memory compressed data container

2010-08-20 Thread Zbyszek Szmek
OK, I've got a case where carray really shines :| zbys...@escher:~/python/numpy/carray-0.1.dev$ PYTHONPATH=. python bench/concat.py numpy 80 1000 4 1 problem size: (80) x 1000 = 10^8.90309 time for concat: 4.806s size of the final container: 6103.516 MB zbys...@escher:~/python/numpy/carra

[Numpy-discussion] [ANN] carray: an in-memory compressed data container

2010-08-20 Thread Francesc Alted
== Announcing carray 0.1 == What it is == carray is a container for numerical data that can be compressed in-memory. The compresion process is carried out internally by Blosc, a high-performance compressor that is optimized for binary data. Havin

Re: [Numpy-discussion] lexsort() of datetime objects doesn't work

2010-08-20 Thread Ernest Adrogué
19/08/10 @ 18:03 (-0600), thus spake Charles R Harris: > 2010/8/19 Ernest Adrogué > > > Hi, > > > > I was trying to use lexsort with an array of > > datetime.date objects, but it doesn't seem to work. > > > > In [86]: date = np.array([datetime.date(2000, 9, 17), > > datetime.date(2000, 10, 1), >

Re: [Numpy-discussion] py3k execfile('setup.py')

2010-08-20 Thread Ralf Gommers
On Tue, Aug 17, 2010 at 2:07 PM, Fernando Perez wrote: > On Sat, Aug 14, 2010 at 6:11 AM, Ralf Gommers > wrote: > > Installing into a local virtualenv (with either of the methods that work) > > looks good. Into /Library/Frameworks/..., nose refuses to run any tests, > due > > to the files being e