[FFmpeg-devel] [PATCH] libavfilter OpenCL unsharpen filter optimization: substitute N^2 filter computation with 2N+C i7-4770K luma 21% faster, chroma 18% faster A10-7850K luma 42% faster, chroma 37% faster on 1920x1080 res

[Michael Niedermayer]

On Tue, Feb 10, 2015 at 12:21:05PM -0800, Alexey Titov wrote:
> ---
>  libavfilter/unsharp.h               |   4 ++
>  libavfilter/unsharp_opencl.c        |  77 ++++++++++++++++-------
>  libavfilter/unsharp_opencl_kernel.h | 122 ++++++++++++++++++++++++++----------
>  3 files changed, 148 insertions(+), 55 deletions(-)

applied

thanks

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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