[FFmpeg-devel] [PATCH 1/2] lavc/dsd_tablegen: speed up table generation
Michael Niedermayer
michael at niedermayer.cc
Wed Dec 30 01:09:55 CET 2015
On Tue, Dec 29, 2015 at 08:56:48AM -0800, Ganesh Ajjanagadde wrote:
> Tables are bit identical.
> Sample benchmark (Haswell, GNU/Linux+gcc):
> old:
> 814485 decicycles in dsd_ctables_tableinit, 512 runs, 0 skips
>
> new:
> 356808 decicycles in dsd_ctable_tableinit, 512 runs, 0 skips
>
> Binary size should essentially be identical, and is in fact identical on
> the configuration I tested on.
>
> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
> ---
> libavcodec/dsd_tablegen.h | 19 ++++++++++---------
> 1 file changed, 10 insertions(+), 9 deletions(-)
probably ok
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Those who are best at talking, realize last or never when they are wrong.
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