[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] early_cpu_init() and identify_cpu()
>>> 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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