Re: [Xen-devel] early_cpu_init() and identify_cpu()

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> Keir Fraser <keir@xxxxxxxxxxxxx> 17.07.07 09:50 >>>
>On 16/7/07 09:18, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:
>
>>> How much faster is scrolling of WC framebuffer on your test system?
>> 
>> That's a win of about 30%, and using movsq in memcpy() is another win of
>> about 50%. Will probably create a vidmemmove()...
>
>That still totally sucks then. Paging a full screen of text of, say 60
>lines, done line-by-line will still take, say 60*300ms == 20 seconds(ish).

No, you got me wrong - with 'scrolling by one line' I mean the scrolling the
entire screen up by a line. It's about half as fast as Linux during boot now,
visibly slower post-boot.

Jan


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