Is there a FFT wrapper in boost? - Boost-users - lists.preview.boost.org

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Is there a FFT wrapper in boost?

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Peng Yu

22 Oct 2008 22 Oct '08

1:25 a.m.

Hi, FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT. Thanks, Peng

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Paul Baxter

22 Oct 22 Oct

6:56 a.m.

From: "Peng Yu"

FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT.

You could try VSIPL++ at www.codesourcery.com BTW FFTW isn't necessarily the fastest for all types and sizes of FFT, though it *is* normally pretty competitive. e.g. search for 'www.spiral.net' or benchmarks of vendor-tuned libs

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Peng Yu

12:52 p.m.

On Wed, Oct 22, 2008 at 1:56 AM, Paul Baxter wrote:

From: "Peng Yu"

...
FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT.

You could try VSIPL++ at www.codesourcery.com

If I'm correct, VSIPL is not free, right? Thanks, Peng

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Zoltan Cseresnyes

1:05 p.m.

Not if you use it to develop commercial applications, but free otherwise, see link below: http://www.codesourcery.com/vsiplplusplus/1.4/download.html *Certain versions of Sourcery VSIPL++ and Sourcery VSIPL, licensed under the GNU Public License, are available for free **download*http://www.codesourcery.com/vsiplplusplus/download.html *. * On Wed, Oct 22, 2008 at 1:52 PM, Peng Yu wrote:

On Wed, Oct 22, 2008 at 1:56 AM, Paul Baxter wrote:

...
From: "Peng Yu"

...
FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT.

You could try VSIPL++ at www.codesourcery.com

If I'm correct, VSIPL is not free, right?

Thanks, Peng _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users

Zoltan

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Zoltan Cseresnyes

1:14 p.m.

Forgot to add though: it does however rely on Intel MKL and IPP, which are not free. I'm doing Intel's free 30-day trial on both now. Zoltan On Wed, Oct 22, 2008 at 1:52 PM, Peng Yu wrote:

On Wed, Oct 22, 2008 at 1:56 AM, Paul Baxter wrote:

...
From: "Peng Yu"

...
FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT.

You could try VSIPL++ at www.codesourcery.com

If I'm correct, VSIPL is not free, right?

Thanks, Peng _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users

-- Zoltan Cseresnyes Facility manager, Imaging Suite

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Neal Becker

1:29 p.m.

Peng Yu wrote:

On Wed, Oct 22, 2008 at 1:56 AM, Paul Baxter wrote:

...
From: "Peng Yu"

...
FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT.

You could try VSIPL++ at www.codesourcery.com

If I'm correct, VSIPL is not free, right?

And fftw is GPL, not suitable for boost.

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Maik Beckmann

3:54 p.m.

2008/10/22 Peng Yu :

On Wed, Oct 22, 2008 at 1:56 AM, Paul Baxter wrote:

...
From: "Peng Yu"

...
FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT.

You could try VSIPL++ at www.codesourcery.com

If I'm correct, VSIPL is not free, right?

The docs say: Free of charge for GPLed projects. For closed source projects contact codesourcery. Similar to Qt4. -- Maik

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Paul Baxter

6:41 p.m.

...
...
FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT.

You could try VSIPL++ at www.codesourcery.com

If I'm correct, VSIPL is not free, right?

As others have pointed out, VSIPL++ is 'as free' as FFTW. Both require a commercial license if used in closed source apps. Also note that Linux versions of Intel libs have an 'open' binary version but do check licenses. Also note that I don't think you have to have libraries like MKL/IPP or Mercury SAL (or ATLAS etc) but each may help you get better performance on a particular platform than the vectorised basic code your compiler might provide using VSIPL++ core without the libs. Really depends what you want to do. VSIPL++ was IMHO the best of the options I looked at for signal processing ~ 1 year ago though I'd characterise it as 'evolving' and not as mature as say Intel's MKL/IPP and equivalents.

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Larson, David K (Mission Systems)

6:59 p.m.

New subject: boost_1_33_1_setup.exe - failing to download mirror list. Is 1.33.1 no longer supported?

I'm trying to run the boost 1.33.1 installer on an XP machine but I keep getting the following message: Failed to download mirror list, all downloadable content has been disabled. Is 1.33.1 no longer available? Thanks in advance Dave

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Jeffrey A. Edlund

4:58 p.m.

On Tue, 21 Oct 2008 20:25:11 -0500 "Peng Yu" wrote:

Hi,

FFTW is the fastest FFT library. But its interface is in C. I'm wondering if there is any ongoing project on FFT.

If you like FFTW, have you tried http://www.math.ualberta.ca/imaging/fftw++/ ? It's GPL3. http://fftw.org/benchfft/ffts.html lists a lot of fft libraries. Unfortunately it doesn't list the licenses. They also have benchmark data for speed and accuracy. If you need something with a license closer to BSL1.0, I've used http://sourceforge.net/projects/kissfft/ (BSD license) but that's also in C. Jeffrey

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participants (7)

Jeffrey A. Edlund
Larson, David K (Mission Systems)
Maik Beckmann
Neal Becker
Paul Baxter
Peng Yu
Zoltan Cseresnyes