From: Andrew Morton <akpm@linux-foundation•org>
To: Eric Dumazet <eric.dumazet@gmail•com>
Cc: David Miller <davem@davemloft•net>,
netdev <netdev@vger•kernel.org>,
Michael Chan <mchan@broadcom•com>,
Eilon Greenstein <eilong@broadcom•com>,
Christoph Hellwig <hch@lst•de>,
Christoph Lameter <cl@linux-foundation•org>,
Pekka Enberg <penberg@cs•helsinki.fi>
Subject: Re: [PATCH net-next] net: allocate skbs on local node
Date: Tue, 12 Oct 2010 00:58:56 -0700 [thread overview]
Message-ID: <20101012005856.994bea6d.akpm@linux-foundation.org> (raw)
In-Reply-To: <1286869793.2732.24.camel@edumazet-laptop>
On Tue, 12 Oct 2010 09:49:53 +0200 Eric Dumazet <eric.dumazet@gmail•com> wrote:
> Le mardi 12 octobre 2010 à 00:24 -0700, Andrew Morton a écrit :
>
> > I'd love to forget it, but it's faster for some things (I forget
> > which). Which is why it's still around.
>
> Yes, two years ago it was true on pathological/obscure cases.
> Every time I did the comparison, SLUB won.
> You asked me, I did yet another test this morning, and 40% is pretty
> serious, I believe.
>
> >
> > And the ghastly thing about this is that you're forced to care about it
> > too because some people are, apparently, still using it.
> >
>
> Yes, some people (in my company) still use linux 2.6.9 32bit on HP G6/G7
> machines, I know...
>
> I am not saying we should not care, but for any serious network workload
> on NUMA arches, SLUB is the best, and seeing Christoph recent work, it
> might even get better.
>
> BTW, I believe all modern distros ship SLUB, dont they ?
>
Dunno.
Pekka, why haven't we deleted slab yet??
next prev parent reply other threads:[~2010-10-12 7:58 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-11 23:03 [PATCH net-next] bnx2x: dont use netdev_alloc_skb() Eric Dumazet
2010-10-11 23:22 ` Eric Dumazet
2010-10-12 5:03 ` Tom Herbert
2010-10-12 5:16 ` Eric Dumazet
2010-10-12 9:12 ` Vladislav Zolotarov
2010-10-14 17:39 ` David Miller
2010-10-14 18:17 ` Eilon Greenstein
2010-10-14 18:20 ` Eric Dumazet
2010-10-14 18:25 ` David Miller
2010-10-14 18:17 ` Tom Herbert
2010-10-12 5:05 ` [PATCH net-next] net: allocate skbs on local node Eric Dumazet
2010-10-12 5:35 ` Tom Herbert
2010-10-12 6:03 ` Andrew Morton
2010-10-12 6:58 ` Eric Dumazet
2010-10-12 7:24 ` Andrew Morton
2010-10-12 7:49 ` Eric Dumazet
2010-10-12 7:58 ` Andrew Morton [this message]
2010-10-12 11:08 ` Pekka Enberg
2010-10-12 12:50 ` Christoph Lameter
2010-10-12 19:43 ` David Rientjes
2010-10-13 6:17 ` Pekka Enberg
2010-10-13 6:31 ` David Rientjes
2010-10-13 6:36 ` Pekka Enberg
2010-10-13 16:00 ` Christoph Lameter
2010-10-13 20:48 ` David Rientjes
2010-10-13 21:43 ` Christoph Lameter
2010-10-13 22:41 ` David Rientjes
2010-10-14 6:22 ` Pekka Enberg
2010-10-14 7:23 ` David Rientjes
2010-10-15 14:23 ` Christoph Lameter
2010-10-14 15:31 ` Tom Herbert
2010-10-14 16:05 ` Eric Dumazet
2010-10-15 16:57 ` Christoph Lameter
2010-10-14 19:27 ` Andrew Morton
2010-10-14 19:59 ` Eric Dumazet
2010-10-16 18:54 ` David Miller
2010-10-12 16:07 ` [BUG net-next] bnx2x: all traffic comes to RX queue 0 Eric Dumazet
2010-10-12 16:20 ` Dmitry Kravkov
2010-10-12 18:11 ` Eric Dumazet
2010-10-12 18:18 ` Vladislav Zolotarov
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