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On Thu, 10 Aug 2006 14:44:51 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > > If you do that then you loose the cache hot advantage. It is advantageous > > to initialize the object and then immediately use it. If you initialize it > > before then the cacheline will be evicted and then brought back.> > hmm, I don't know precise analization of the perfromance benefit of slab on > current (Linux + Fast CPU/Bus + Large Cache) systems. I'm grad if you show the > performance of new "Simple Slab" next time. > BTW, in recent Linux, many objects are freed by call_rcu(hoo, dealyed_free_foo). Objects are freed far after it was touched. I think catching this kind of freeing will not boost performance by cache-hit if reuse freed page (object). -Kame - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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