From: Benjamin LaHaise <bcrl@redhat.com>
To: Richard Gooch <rgooch@ras.ucalgary.ca>
Cc: "Xiaoliang (David) Wei" <weixl@caltech.edu>, netdev@oss.sgi.com
Subject: Re: Poor gige performance with 2.4.20-pre*
Date: Sun, 29 Sep 2002 20:45:10 -0400 [thread overview]
Message-ID: <20020929204510.A26826@redhat.com> (raw)
In-Reply-To: <200209290634.g8T6Y2o08439@vindaloo.ras.ucalgary.ca>; from rgooch@ras.ucalgary.ca on Sun, Sep 29, 2002 at 12:34:02AM -0600
On Sun, Sep 29, 2002 at 12:34:02AM -0600, Richard Gooch wrote:
> This is all on a LAN (of course; expecting good performance from a WAN
> is pretty futile). I use a buffer size of 256 KiB.
>From my experience tuning on a 550MHz P3 Xeon, you're better off using a
buffer size of 8-16KB that stays in the L1 cache. Of course, that was
without actually doing anything useful with the data being transferred.
Gige really does need a faster cpu in the ghz+ range. As for ns83820,
it's a work in progress. Some of the recent bugfixes may have reduced
performance, so it may need to be retuned.
-ben
--
GMS rules.
next prev parent reply other threads:[~2002-09-30 0:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-28 22:57 Poor gige performance with 2.4.20-pre* Richard Gooch
2002-09-29 2:12 ` Xiaoliang (David) Wei
2002-09-29 6:34 ` Richard Gooch
2002-09-30 0:45 ` Benjamin LaHaise [this message]
2002-09-30 0:53 ` Richard Gooch
2002-09-29 2:32 ` Ben Greear
2002-09-29 19:22 ` Richard Gooch
2002-09-29 19:32 ` Ben Greear
2002-09-29 20:54 ` Richard Gooch
2002-09-30 21:21 ` Jon Fraser
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