On 2019-03-26 21:22, Mike Stoner via ffmpeg-devel wrote:
> Hello,
> I’ve accounted for all feedback on this so far, I’m wondering if it is ready
> to be pushed upstream?
>
> Here are my results from ‘checkasm’ (lower is better):
>
> v210_unpack_c: 1636
> v210_unpack_ssse3: 611
> v210_unpack_avx:
Hello,
I’ve accounted for all feedback on this so far, I’m wondering if it is ready to
be pushed upstream?
Here are my results from ‘checkasm’ (lower is better):
v210_unpack_c: 1636
v210_unpack_ssse3: 611
v210_unpack_avx: 601
v210_unpack_avx2: 423
I ran it 5 times and averaged the middle 3 resu
Hello,
I resent my AVX2 patch for v210 unpacking. My first attempt didn't get picked
up by the Patchwork list for some reason.
I installed Linux on a Broadwell laptop to utilize James Darnley's checkasm
patch for v210 decode. The results are below.
AVX2 gets a nice boost from replacing SHUF
Replaced VSHUFPS with VPBLENDD to relieve port 5 bottleneck
AVX2 is 1.4x faster than AVX
---
libavcodec/v210dec.c | 10 +-
libavcodec/x86/v210-init.c | 8 +
libavcodec/x86/v210.asm| 72 +-
3 files changed, 73 insertions(+), 17 deletions(-)
di
