Re: [Numpy-discussion] pickable ndarray subclass

2007-04-15 Thread Stefan van der Walt
Hi Christiaan On Sun, Apr 15, 2007 at 02:03:49PM +0900, Christian K wrote: could someone please provide example code for how to make a subclassed ndarray pickable? I don't quite understand the docs of ndarray.__reduce__. My subclassed ndarray has just one additional attribute. __reduce__ is

Re: [Numpy-discussion] newbie question - large dataset

2007-04-15 Thread Steve Staneff
Many thanks to all those who responded to my question. Not being a real programmer, sometimes it's good to be reminded of the basics - such as timing various sections of code. It turns out that most of the time in the loop was spent on two of the functions. I've rewritten the first to be

Re: [Numpy-discussion] building numpy with Intel MS compiler and FFT

2007-04-15 Thread Ray Schumacher
Thanks Rex, I'll give it a try next week. I've compiled both Numpy and Python 2.5 with the Intel compiler. On a Core 2 Duo, at least, the speed increase on Pybench was ~49%, even before compiling Python with icc. My post about it was on 25 Jan, and has subject: Compiling Python with icc

Re: [Numpy-discussion] building numpy with atlas on ubuntu edgy

2007-04-15 Thread David Cournapeau
Christian K wrote: Thanks, but that didn't help: atlas_info: libraries lapack not found in /usr/lib/sse2 libraries f77blas,cblas,atlas not found in /usr/lib/atlas libraries lapack_atlas not found in /usr/lib/atlas libraries lapack not found in /usr/lib/sse2 libraries

Re: [Numpy-discussion] building numpy with atlas on ubuntu edgy

2007-04-15 Thread Charles R Harris
On 4/15/07, David Cournapeau [EMAIL PROTECTED] wrote: Christian K wrote: Thanks, but that didn't help: atlas_info: libraries lapack not found in /usr/lib/sse2 libraries f77blas,cblas,atlas not found in /usr/lib/atlas libraries lapack_atlas not found in /usr/lib/atlas libraries

Re: [Numpy-discussion] building numpy with atlas on ubuntu edgy

2007-04-15 Thread David Cournapeau
Charles R Harris wrote: On 4/15/07, *David Cournapeau* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Christian K wrote: Thanks, but that didn't help: atlas_info: libraries lapack not found in /usr/lib/sse2 libraries f77blas,cblas,atlas not