>
>
> Here's a hack that google turned up:
>
> (1) Use static variables instead of dynamic (stack) variables
> (2) Use in-line assembly code that explicitly aligns data
> (3) In C code, use "*malloc*" to explicitly allocate variables
>
> Here is Intel's example of (2):
>
>
On 8/3/07, Charles R Harris <[EMAIL PROTECTED]> wrote:
>
>
>
> On 8/3/07, David Cournapeau <[EMAIL PROTECTED]> wrote:
> >
> > Andrew Straw wrote:
> > > Dear David,
> > >
> > > Both ideas, particularly the 2nd, would be excellent additions to
> > numpy.
> > > I often use the Intel IPP (Integrated Pe
On 8/3/07, David Cournapeau <[EMAIL PROTECTED]> wrote:
>
> Andrew Straw wrote:
> > Dear David,
> >
> > Both ideas, particularly the 2nd, would be excellent additions to numpy.
> > I often use the Intel IPP (Integrated Performance Primitives) Library
> > together with numpy, but I have to do all my
Andrew Straw wrote:
> Dear David,
>
> Both ideas, particularly the 2nd, would be excellent additions to numpy.
> I often use the Intel IPP (Integrated Performance Primitives) Library
> together with numpy, but I have to do all my memory allocation with the
> IPP to ensure fastest operation. I th
On Thu, 2 Aug 2007, Warren Focke wrote:
>
>
> On Thu, 2 Aug 2007, Lars Friedrich wrote:
>
>> versions to numpy? I am not a decent C-hacker, but if someone tells me,
>> that this task is not *too* hard, I would start looking more closely at the
>> code...
>
> It shouldn't be hard. fftpack.c wil
Dear David,
Both ideas, particularly the 2nd, would be excellent additions to numpy.
I often use the Intel IPP (Integrated Performance Primitives) Library
together with numpy, but I have to do all my memory allocation with the
IPP to ensure fastest operation. I then create numpy views of the da
Hi,
>Following an ongoing discussion with S. Johnson, one of the developer
> of fftw3, I would be interested in what people think about adding
> infrastructure in numpy related to SIMD alignement (that is 16 bytes
> alignement for SSE/ALTIVEC, I don't know anything about other archs).
> The pr
