Re: [Numpy-discussion] Problems with Numexpr and discontiguous arrays

[Ivan V. i B. <iv...@ca...>]

En/na Tim Hochberg ha escrit::

> Tim Hochberg wrote:
>>>> Ivan Vilata i Balaguer wrote:
>>>>> It seemed that discontiguous arrays worked OK in Numexpr since=20
>>>>> r1977 or
>>>>> so, but I have come across some alignment or striding problems=20
>>>>> which can
>>>>> be seen with the following code::
> OK, I've checked in a fix for this that makes a copy when the array is =

> not strided in an even multiple of the itemsize. I first tried copying =

> for all discontiguous array, but this resulted in a large speed hit for=
=20
> vanilla strided arrays (a=3Darange(10)[::2], etc.), so I was more fruga=
l=20
> with my copying. I'm not entirely certain that I caught all of the=20
> problematic cases, so let me know if you run into any more issues like =
this.

Great!  For the moment I just can say that the problems I had with that
have disappeared, but I will keep you up to date if I find something
else.  Thank you very much!

::

	Ivan Vilata i Balaguer   >qo<   http://www.carabos.com/
	       C=C3=A1rabos Coop. V.  V  V   Enjoy Data
	                          ""