From: IndecisiveTurtle <geoster3d@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH v5 4/4] lavc: implement a Vulkan-based VC-2 encoder Implements a Vulkan based dirac encoder. Supports Haar and Legall wavelets and should work with all wavelet depths.
Date: Sat, 24 May 2025 14:28:28 +0300
Message-ID: <CAJpqCyL4-C_SZV4aLkimrBqUfuAf3prnxx=1s=t-5yu8Y699TA@mail.gmail.com> (raw)
In-Reply-To: <AS8P250MB0744F8102B06BA0F0EE2ADCB8F9BA@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM>
> Same benchmarks as v4. Did the switch to put_bits63() not cost performance?
In my tests it did not. I tested with old uint32_t, then immediately
afterwards with uint64_t and times were the same.
Στις Σάβ 24 Μαΐ 2025 στις 2:09 μ.μ., ο/η Andreas Rheinhardt
<andreas.rheinhardt@outlook.com> έγραψε:
>
> IndecisiveTurtle:
> > From: IndecisiveTurtle <geoster3d@gmail.com>
> >
> > Performance wise, encoding a 3440x1440 1-minute video is performed in about 2.4 minutes with the cpu encoder running on my Ryzen 5 4600H, while it takes about 1.3 minutes on my NVIDIA GTX 1650
> >
> > Haar shader has a subgroup optimized variant that applies when configured wavelet depth allows it
> > ---
>
> Same benchmarks as v4. Did the switch to put_bits63() not cost performance?
>
> - Andreas
>
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next prev parent reply other threads:[~2025-05-24 11:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-23 20:23 [FFmpeg-devel] [PATCH v5 1/4] libavcodec/vc2enc: Split out common functions between software and hardware encoders IndecisiveTurtle
2025-05-23 20:23 ` [FFmpeg-devel] [PATCH v5 2/4] libavcodec/vc2enc: Switch quant to int IndecisiveTurtle
2025-05-23 20:23 ` [FFmpeg-devel] [PATCH v5 3/4] libavcodec/vulkan: Add modifications to common shader for VC2 vulkan encoder IndecisiveTurtle
2025-05-23 20:23 ` [FFmpeg-devel] [PATCH v5 4/4] lavc: implement a Vulkan-based VC-2 encoder Implements a Vulkan based dirac encoder. Supports Haar and Legall wavelets and should work with all wavelet depths IndecisiveTurtle
2025-05-24 11:09 ` Andreas Rheinhardt
2025-05-24 11:28 ` IndecisiveTurtle [this message]
2025-05-26 1:30 ` Michael Niedermayer
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