From: "J.A. Magallon" <jamagallon@able.es>
To: Andrea Arcangeli <andrea@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.19rc2aa1
Date: Fri, 19 Jul 2002 19:03:46 +0200 [thread overview]
Message-ID: <20020719170346.GC1690@werewolf.able.es> (raw)
In-Reply-To: <20020717225504.GA994@dualathlon.random>; from andrea@suse.de on Thu, Jul 18, 2002 at 00:55:04 +0200
On 2002.07.18 Andrea Arcangeli wrote:
>I would appreciate any feedback on the last patches for the i_size
>atomic accesses on 32bit archs. Thanks,
>
>URL:
>
> http://www.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.19rc2aa1.gz
> http://www.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.19rc2aa1/
>
>diff between 2.4.19rc1aa2 and 2.4.19rc1aa2:
>
>Only in 2.4.19rc1aa2: 000_e100-2.0.30-k1.gz
>Only in 2.4.19rc2aa1: 000_e100-2.1.6.gz
>Only in 2.4.19rc1aa2: 000_e1000-4.2.17-k1.gz
>Only in 2.4.19rc2aa1: 000_e1000-4.3.2.gz
>
More on this.
We have two interfaces:
04:04.0 Ethernet controller: Intel Corp. 82557 [Ethernet Pro 100] (rev 08)
03:01.0 Ethernet controller: Intel Corp. 82543GC Gigabit Ethernet Controller (rev 02)
NetPipe (tcp) shows numbers like 80Mb/s for e100 and 500Mb/s for e1000. So
efficiency is much much higher for e100 driver+card than e1000.
I have to dig, perhaps e100 is doing zerocopy and e1000 is not ?
Any ideas ?
--
J.A. Magallon \ Software is like sex: It's better when it's free
mailto:jamagallon@able.es \ -- Linus Torvalds, FSF T-shirt
Linux werewolf 2.4.19-rc2-jam1, Mandrake Linux 8.3 (Cooker) for i586
gcc (GCC) 3.1.1 (Mandrake Linux 8.3 3.1.1-0.8mdk)
next prev parent reply other threads:[~2002-07-19 17:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-17 22:55 2.4.19rc2aa1 Andrea Arcangeli
2002-07-18 10:16 ` 2.4.19rc2aa1 Tobias Ringstrom
2002-07-18 21:34 ` 2.4.19rc2aa1 Thunder from the hill
2002-07-23 15:03 ` 2.4.19rc2aa1 Andrea Arcangeli
2002-07-19 16:58 ` 2.4.19rc2aa1 J.A. Magallon
2002-07-19 17:03 ` J.A. Magallon [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-07-19 23:05 2.4.19rc2aa1 Feldman, Scott
2002-07-20 0:10 ` 2.4.19rc2aa1 J.A. Magallon
2002-07-20 0:27 ` 2.4.19rc2aa1 J.A. Magallon
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