From: Christoph Lameter <clameter@sgi.com>
To: akpm@linux-foundation.org
Cc: linux-mm@kvack.org
Subject: Re: Support concurrent local and remote frees and allocs on a slab.
Date: Sat, 5 May 2007 22:45:26 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0705052243490.29846@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0705052152060.29770@schroedinger.engr.sgi.com>
On Sat, 5 May 2007, Christoph Lameter wrote:
> Hmmmm... I can take this even further and get another 20% if I take the
> critical components of slab_alloc and slab_free and inline them into
> kfree, kmem_cache_alloc and friends. I went from 5.8MB without this
> patch to now 8 MB/sec with this patch and the rather ugly inlining.
Hmmm... Nope. That was the effect of screwing up kfree so that no memory
is ever freed. Interesting that this increases performance...
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next prev parent reply other threads:[~2007-05-06 5:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-05 3:28 Christoph Lameter
2007-05-06 4:59 ` Christoph Lameter
2007-05-06 5:45 ` Christoph Lameter [this message]
2007-05-06 19:24 ` Andrew Morton
2007-05-07 15:15 ` Christoph Lameter
2007-05-07 18:39 ` Christoph Lameter
2007-05-07 18:54 ` Andrew Morton
2007-05-07 18:58 ` Christoph Lameter
2007-05-07 20:32 ` Andrew Morton
2007-05-07 21:50 ` Andrew Morton
2007-05-07 21:55 ` Christoph Lameter
2007-05-08 0:56 ` Christoph Lameter
2007-05-08 22:05 ` Christoph Lameter
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