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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 7/7] introduce write-once optimization
On 21/09/2009 13:12, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: > This one is likely the most questionable part: Realizing that the > compiler can do a much better job in terms of CSE when the variables > needed are constant, this introduces and extension to the read-mostly > variables, allowing variables to be marked as being written just > during boot initialization. Cunning, but this one is a bit too nasty for my taste. The performance wins would have to be measurable and significant. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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