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From: Christoph Lameter <clameter@sgi.com>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: Remove constructor from buffer_head
Date: Fri, 4 May 2007 09:05:32 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0705040905020.21436@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20070504063534.GX19966@holomorphy.com>
On Thu, 3 May 2007, William Lee Irwin III wrote:
> On Thu, May 03, 2007 at 08:08:41PM -0700, Christoph Lameter wrote:
> > Performance tests show a slight improvements in netperf (not a
> > strong case for a performance improvement but removing the
> > constructor has definitely no negative impact so why keep
> > this around?).
>
> Cache effects are not so easily visible. Cache profile results from
> more realistic workloads (e.g. major macrobenchmarks) are more
> appropriate for gauging this.
Yeah I really out to stick a performance counter in this but that would
require some effort. Defer for now I guess.
next prev parent reply other threads:[~2007-05-04 16:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-04 3:08 Christoph Lameter
2007-05-04 3:21 ` Andrew Morton
2007-05-04 3:34 ` Christoph Lameter
2007-05-04 4:37 ` Andrew Morton
2007-05-04 4:34 ` Christoph Lameter
2007-05-04 6:35 ` William Lee Irwin III
2007-05-04 16:05 ` Christoph Lameter [this message]
2007-05-04 20:42 ` Andrew Morton
2007-05-04 21:33 ` Andrew Morton
2007-05-04 23:22 ` Andi Kleen
2007-05-04 23:45 ` Andrew Morton
2007-05-05 9:31 ` Andi Kleen
2007-05-13 20:38 ` oprofile broken in 2.6.21 SMP (was Re: Remove constructor from buffer_head) Benjamin LaHaise
2007-05-15 3:12 ` Andrew Morton
2007-05-04 21:42 ` Remove constructor from buffer_head Christoph Lameter
2007-05-04 21:47 ` Andrew Morton
2007-05-04 21:52 ` Chuck Ebbert
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