Re: [FFmpeg-devel] [PATCH v2] tests/fate/vcodec: Limit mem alignment for vsynth..mpeg2-422 tests

[Kieran Kunhya <kierank@obe.tv>]

On Sat, 28 May 2022, 11:20 softworkz, <ffmpegagent@gmail.com> wrote:

> From: softworkz <softworkz@hotmail.com>
>
> These tests:
>
> - vsynth2-mpeg2-422
> - vsynth1-mpeg2-422
> - vsynth_lena-mpeg2-422
>
> were failing on newer CPUs where av_cpu_max_align() returns
> values > 32. This patch sets cpuflags to disable avx512
> extensions for those tests only.
>
> Signed-off-by: softworkz <softworkz@hotmail.com>
> ---
>     tests/fate/vcodec: Limit mem alignment for vsynth..mpeg2-422 tests
>
>     Fix FATE tests which are failing on newer x86 CPUs.
>
>     v2: Add the flag on x86 platforms only
>
> Published-As:
> https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-32%2Fsoftworkz%2Fsubmit_alignment-v2
> Fetch-It-Via
> <https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-32%2Fsoftworkz%2Fsubmit_alignment-v2Fetch-It-Via>:
> git fetch https://github.com/ffstaging/FFmpeg
> pr-ffstaging-32/softworkz/submit_alignment-v2
> Pull-Request: https://github.com/ffstaging/FFmpeg/pull/32
>
> Range-diff vs v1:
>
>  1:  c36271eb6b ! 1:  1586956890 tests/fate/vcodec: Limit mem alignment
> for vsynth..mpeg2-422 tests
>      @@ Commit message
>
>        ## tests/fate/vcodec.mak ##
>       @@ tests/fate/vcodec.mak: fate-vsynth%-mpeg2-422:          ENCOPTS =
> -b:v 1000k                   \
>      -                                            -trellis 1
>      \
>      -                                            -flags +ildct+ilme
>      \
>                                                   -mpv_flags +qp_rd+mv0
>     \
>      -+                                           -cpuflags -avx512
>     \
>                                                   -intra_vlc 1
>      \
>                                                   -mbd rd
>     \
>      -                                            -pix_fmt yuv422p
>      +-                                           -pix_fmt yuv422p
>      ++                                           -pix_fmt yuv422p
>      \
>      ++
>         $(if $(HAVE_MMX), -cpuflags -avx512 )
>      ++
>
>      + fate-vsynth%-mpeg2-idct-int:     ENCOPTS = -qscale 10 -idct int
> -dct int
>      + fate-vsynth%-mpeg2-ilace:        ENCOPTS = -qscale 10 -flags
> +ildct+ilme
>      + fate-vsynth%-mpeg2-ivlc-qprd:    ENCOPTS = -b:v 500k
>     \
>
>
>  tests/fate/vcodec.mak | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/tests/fate/vcodec.mak b/tests/fate/vcodec.mak
> index 8ca17950ea..91228237bd 100644
> --- a/tests/fate/vcodec.mak
> +++ b/tests/fate/vcodec.mak
> @@ -264,7 +264,9 @@ fate-vsynth%-mpeg2-422:          ENCOPTS = -b:v 1000k
>                  \
>                                             -mpv_flags +qp_rd+mv0        \
>                                             -intra_vlc 1                 \
>                                             -mbd rd                      \
> -                                           -pix_fmt yuv422p
> +                                           -pix_fmt yuv422p             \
> +
>         $(if $(HAVE_MMX), -cpuflags -avx512 )
> +
>
>  fate-vsynth%-mpeg2-idct-int:     ENCOPTS = -qscale 10 -idct int -dct int
>  fate-vsynth%-mpeg2-ilace:        ENCOPTS = -qscale 10 -flags +ildct+ilme
>  fate-vsynth%-mpeg2-ivlc-qprd:    ENCOPTS = -b:v 500k                    \
>
> base-commit: 9fba0b8a8c754a012fc74c90ffb7c26a56be8ca0
> --
> ffmpeg-codebot
> _______________________________________________
>

Huh, this is horrible.

Kieran

>
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