Changeset 81aa0f46 in ffmpeg

Timestamp:

May 24, 2014, 1:15:56 PM (11 years ago)

Author:

Michael Niedermayer <michaelni@gmx.at>

Branches:

master

Children:

9a7d332b

Parents:

72631624

git-author:

Christophe Gisquet <christophe.gisquet@gmail.com> (05/22/14 21:47:06)

git-committer:

Michael Niedermayer <michaelni@gmx.at> (05/24/14 13:15:56)

Message:

x86: hpeldsp: implement SSSE3 version of _xy2

Loading pb_1 rather than pw_8192 was benchmarked to be more efficient.
Loading of the 2 yields no advantage. Loading of one saves ~11 cycles.

decicycles count:
put8: 3223(mmx) -> 2387
avg8: 2863(mmxext) -> 2125
put16: 4356(sse2) -> 3553
avg16: 4481(sse2) -> 3513

Signed-off-by: Michael Niedermayer <​michaelni@gmx.at>

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