From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [PATCH] swscale/x86/input: add AVX2 optimized RGB24 to YUV functions
Date: Tue, 4 Jun 2024 21:32:54 +0200
Message-ID: <GV1P250MB07376D15D1450C88BEFE69198FF82@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <7245c66d-e607-4093-9868-35132ba6a2f1@gmail.com>
James Almer:
> On 6/4/2024 4:25 PM, Andreas Rheinhardt wrote:
>> James Almer:
>>> rgb24_to_uv_8_c: 39.3
>>> rgb24_to_uv_8_sse2: 14.3
>>> rgb24_to_uv_8_ssse3: 13.3
>>> rgb24_to_uv_8_avx: 12.8
>>> rgb24_to_uv_8_avx2: 14.3
>>
>> Worse than avx and ssse3
>
> Can't be disabled for small sizes.
>
Why can't this be disabled?
>>
>>> rgb24_to_uv_128_c: 582.8
>>> rgb24_to_uv_128_sse2: 127.3
>>> rgb24_to_uv_128_ssse3: 107.3
>>> rgb24_to_uv_128_avx: 111.3
>>
>> Worse than ssse3
>
> I know, but it's not related to this patch.
> Same for all the comments below.
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next prev parent reply other threads:[~2024-06-04 19:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-04 19:07 James Almer
2024-06-04 19:25 ` Andreas Rheinhardt
2024-06-04 19:30 ` James Almer
2024-06-04 19:32 ` Andreas Rheinhardt [this message]
2024-06-04 19:37 ` James Almer
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