[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] early_cpu_init() and identify_cpu()
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). Implement this as a command-line option only if you must have it. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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