Messages in this thread | | | Date | Tue, 19 Oct 2010 12:37:59 +0200 | From | Ingo Molnar <> | Subject | Re: [patch]x86: spread tlb flush vector between nodes |
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* Shaohua Li <shaohua.li@intel.com> wrote:
> On Tue, 2010-10-19 at 16:44 +0800, Ingo Molnar wrote: > > * H. Peter Anvin <hpa@zytor.com> wrote: > > > > > Technically, it is way too late for anything new in this merge window, but we can > > > try to make a reasonable assessment of the risk since the merge window got > > > delayed. However, this close to the merge window you cannot just expect to be > > > merged even if the patch itself is OK. > > > > a prompt re-send of the patch today-ish, with proper changelog, etc. and with > > the new tuning in place is definitely a must. > > the previous patch has changelog. what did you mean a new tuning?
The new tuning would be the 8->32 patch - but that would be a more complex and separate (and definitely controversial) patch anyway.
So if hpa gives his ack we can try this current spread-tlb-vectors-better patch in -tip and see how it fares. Could you please update the changelog to specify the 20% improvement more precisely? What kind of workload was used and how was the improvement measured?
Thanks,
Ingo
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