[FFmpeg-user] RES: A question on the Quadro P6000 and maximum simultaneous NVENC encodes in FFmpeg

[Dennis Mungai]

No.

This is as tested on the Tesla P100.

On Fri, 24 Aug 2018 at 00:26, Pedro Daniel Costa <portalnet2 at outlook.com.br>
wrote:

> Ok
>
> But with the TESLA models, did you have any issues over 40 streams?
>
> I am planning on budge project to run minimum 100channels
>
> -----Mensagem original-----
> De: ffmpeg-user [mailto:ffmpeg-user-bounces at ffmpeg.org] Em nome de Dennis
> Mungai
> Enviada em: quinta-feira, 23 de agosto de 2018 13:54
> Para: FFmpeg user questions
> Assunto: [FFmpeg-user] A question on the Quadro P6000 and maximum
> simultaneous NVENC encodes in FFmpeg
>
> Hello there,
>
> For users with this specific card (and FFmpeg installed), kindly clarify
> on the following:
>
> (a). How many simultaneous encoder sessions can you run on this card?
>
> (b). Have you ran into any issues, such as stuttering and dropping streams
> with multiple concurrent encodes?
>
> I ask because of a recent case where adding more than ~40 concurrent
> encodes would make the output "drop" and stutter massively, as if FFmpeg
> itself was hanging, despite the GPU having more than enough VRAM (24GB?)
> and resources (under ~11% utilization according to nvidia-smi), implying
> some sort of artificial limitation in effect despite the GPU support matrix
> specifying otherwise:
> https://developer.nvidia.com/video-encode-decode-gpu-support-matrix
>
> Your feedback on this is appreciated.
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