[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Swftools-common] 0.9.2 - Patch fixes compile error in conftest for
Re: [Swftools-common] 0.9.2 - Patch fixes compile error in conftest for fftw on OSX
Tue, 10 Apr 2012 16:23:11 -0700
On Tue, Apr 10, 2012 at 10:20:06PM +0000, P. Martin <address@hidden> wrote:
> The conftest links only against -lfftwf, but it uses fftw_malloc.
> So I get an error where that symbol is not found. I ran an
> nm /usr/local/lib/libfftwf.dylib | grep fftw_malloc
> and got no hits using fftw-3.3.1. The patch is located in
> my repo here:
Thanks for the patch! I applied it to git.
> With my patch the software compiles correctly and links fftw
> into every binary. May I ask how much faster approximately
> is the processing when using fftw?
It's not primarily about speed, it's about preserving image quality
when scaling images up or down. That said, for very large images the
new code *is* faster.