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I purchased a laptop with a 4k screen recently and the command line interface runs very slowly compared to my previous non-4k laptop.
I see no other reason for this than the load of managing the display is being placed on the CPU rather than the graphics card.
The X server and any program that uses it runs very smoothly because the X server is set to use the Nvidia driver, so I'm sure the slowness isn't an actual software/hardware problem.
How can I get my command line interface to also use the Nvidia driver rather than the default one that bottlenecks in the cpu?
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Have you followed this:
https://wiki.archlinux.org/index.php/NV … de_setting
"UNIX is simple and coherent..." - Dennis Ritchie, "GNU's Not UNIX" - Richard Stallman
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Did you actually log the cpu load to back this theory? Is there high CPU load and in case by which process?
Also I doubt that you'll have to offload the normal desktop to the GPU - the IGP should be sufficient to run the display - the parallel usage could however be a problem (because the IGP serves as sink for the GPU as well as drives the console at the same time) - do you also experience this without a running X11 server?
I'd also rather suggest to lower the resolution of the console, you're likely not able to read anything on a 4k display anyway?
Concerning Trilby's suggestion, ensure the NVIDIA chip is listed as VGA and not as 3D device if you want to look into this.
Last edited by seth (2017-12-11 16:10:35)
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I looked at the link from Trilby and low and behold there was a blurb about high resolution consoles.
Thanks for the help!
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Trilby's link only led to the Grub Tips and Tricks page, where there was info on setting the framebuffer resolution but not choosing a display device.
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