Resizable bar

[Martinligabue]

Does enabling resizable bar impact performance?
Can the support for it be added?

[Overv]

What do you mean by "resizable bar"?

[Martinligabue]

It's a feature all three gpu vendors might have, that as far as I understand can change the address register size
Here an Intel article: https://www.intel.com/content/www/us/en/support/articles/000090831/graphics.html
Here's a Windows article: https://learn.microsoft.com/en-us/windows-hardware/drivers/display/resizable-bar-support

[Overv]

Oh, interesting, that's certainly worth testing! Unfortunately I don't have the time to continue development om vramfs myself right now, but I would be open to contributions.

[unphased]

resizable bar would probably allow for much better transfer speed!

[twobombs]

I've been uisung vramfs in various scenarios for some time now. Tesla's for example require extended/resizable busbar.
Resizable bar helps but throughput will also be influenced depending on the type of load and the PCIe bus width.
The throughput also requires CPU power influencing the performance/throughput on a per case base.