[Mesa-dev] [Bug 93686] Performance improvement ?=:=?UTF-8?Q? Please consider hardware ɢᴘᴜ rendering in llvmpipe

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93686

ytrezq at sdf-eu.org changed:

           What    |Removed                     |Added
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                 CC|                            |maraeo at gmail.com

--- Comment #16 from ytrezq at sdf-eu.org ---
(In reply to Alex Deucher from comment #13)
> I can't speak for intel, but on AMD APUs, while the GPU appears as a device
> on the PCIE bus, it actually has a much faster internal connection to the
> memory controller.

For simplifying let’s pick up the comparison of 2 virtual machines :

each one is well parametrized so they none of them can fill the ram, even if
they are alone (ex :max use 4Gb of ʀᴀᴍ and 64Gb available on the host).

Does the first virtual machine can read the ʀᴀᴍ of the second ? No !
Does the second virtual machine can read the ʀᴀᴍ of the first ? Neither !
In both case they share the same memory hardware.

The same apply to ɢᴘᴜs with ᴄᴘᴜs on ᴀᴘᴜs but with the hypervisor ᴏꜱ  being
replaced by a pure hardware one, so there’s no software parts (with the
exception of the memory allocated memory ratio being controllable in the ʙɪᴏꜱ 
or the ᴜᴇꜰɪ firmware)

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