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SubjectRe: [PATCH 0/9] re-shrink 'struct page' when SLUB is on.
On 01/10/2014 03:39 PM, Andrew Morton wrote:
>> I tested 4 cases, all of these on the "cache-cold kfree()" case. The
>> first 3 are with vanilla upstream kernel source. The 4th is patched
>> with my new slub code (all single-threaded):
>>
>> http://www.sr71.net/~dave/intel/slub/slub-perf-20140109.png
>
> So we're converging on the most complex option. argh.

Yeah, looks that way.

> So all this testing was performed in a VM? If so, how much is that
> likely to have impacted the results?

Nope, none of it was in a VM. All the results here are from bare-metal.




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