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Video Performance and Glitches In FF or Caused by it

Firefox PiP
gt350r
gt350r

Running 158.0 (64-bit) on Windows 11. Running RTX4070 card and when I watch videos in the main browser window I see very little GPU usage. Computer is a dual CPU Dell 7920 Specs at the bottom.

When switching to another tab, and the video pops out into it's own window I notice an increase in GPU usage. Streaming YouTubeTV, no issues with bandwidth to the machine.

The main display is running at 4k. Also the popped out window is maybe 1/4 the size of the full browser size when it's not popped out so I can't understand why a smaller video use more GPU.

In addition I see Firefox sometimes 'glitching' the popped up window's video. It also seems that when watching video in FF it can glitch other sources that also may be active but this may be just anecdotal, need more investigation.

Machine Specs -

Device name Dell7920 Processor Intel(R) Xeon(R) Platinum 8255C CPU @ 2.50GHz (2.49 GHz) (2 processors, 48 Cores) Installed RAM 128 GB (128 GB usable) Graphics card NVIDIA GeForce RTX 4070 (12 GB) Storage 3.44 TB of 7.45 TB used System type 64-bit operating system, x64-based processor

Running 158.0 (64-bit) on Windows 11. Running RTX4070 card and when I watch videos in the main browser window I see very little GPU usage. Computer is a dual CPU Dell 7920 Specs at the bottom. When switching to another tab, and the video pops out into it's own window I notice an increase in GPU usage. Streaming YouTubeTV, no issues with bandwidth to the machine. The main display is running at 4k. Also the popped out window is maybe 1/4 the size of the full browser size when it's not popped out so I can't understand why a smaller video use more GPU. In addition I see Firefox sometimes 'glitching' the popped up window's video. It also seems that when watching video in FF it can glitch other sources that also may be active but this may be just anecdotal, need more investigation. '''''Machine Specs -''''' Device name Dell7920 Processor Intel(R) Xeon(R) Platinum 8255C CPU @ 2.50GHz (2.49 GHz) (2 processors, 48 Cores) Installed RAM 128 GB (128 GB usable) Graphics card NVIDIA GeForce RTX 4070 (12 GB) Storage 3.44 TB of 7.45 TB used System type 64-bit operating system, x64-based processor

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