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It is nice. But the status of GPU support in Linux is rather poor. I can see it working only with VLC. Firefox has some support while chromium based browsers
by notorandit 3y ago
It is nice.
But the status of GPU support in Linux is rather poor.
I can see it working only with VLC.
Firefox has some support while chromium based browsers have that only formally.
In the real world you never see the video hw acceleration kicking in, neither with webrtc nor with videos.
It is a pity.
- KeplerBoy 3y agoit's a valuable tool wherever GPU compute is used. Not sure if video decoding would even register as utilization since that is dedicated hardware.
- usr1106 3y agoYes, you can see video decoding, but it's indeed only one detail of the data presented, as it's only a part of the HW. Not at my computer now, can't tell what metric to watch.
- KeplerBoy 3y agoah yes, you can configure nvtop to display encode and decode loads. Interesting to watch how playback speed in VLC is directly reflected in the metric.
- notorandit 3y agoWhich software would use video decoding?
- adrian_b 3y agoPretty much everything except the browsers. I use several video players, including mpv, vlc and ffmpeg, and they have always used without problems the hardware video decoding and encoding on all kinds of GPUs. Only with Firefox and Chrome/Chromium in most versions the hardware acceleration is broken, even if there have been some versions where it worked fine (on NVIDIA), but at the next browser upgrade it was broken again. This does not bother me much, because I do not like to watch video files in a browser anyway. I always download them first and I play them locally.
- notorandit 3y agoAh, OK. Then we are on the same page. Sadly enough, I need the browsers to use hw-assisted en/decoding for my video communication... Which seems to be little more than a dream, ATM.
- notorandit 3y agoYes, indeed. But 90% of my very own GPU usage is for WebRTC based applications and web-based videos. Which leads to what I said: no hw-assisted encoding/decoding actually available. I use intel_gpu_top (from intel-gpu-tools) to monitor my GPU usage: only VLC shows usage. Anyone has success with browsers?
- jandrese 3y agoPretty much every time I've used nvtop it has been while doing CUDA stuff, mostly to see if it was going to blow out the memory but also to spot check that the model is actually using the GPU. I've had times where it said it was using the GPU, but it only did so for the first part of the work and then dropped down to the CPU for the rest.
- pjmlp 3y agoCan confirm with my devices.
- weberer 3y agoI think this is more for people developing applications with CUDA and the like.
- notorandit 3y agoIndeed. But not limited to.