From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "David S. Miller" <davem@redhat.com>
Cc: <anton@samba.org>, <billfink@mindspring.com>,
<linuxppc-dev@lists.linuxppc.org>
Subject: Re: GigE Performance Comparison of GMAC and SUNGEM Drivers
Date: Wed, 21 Nov 2001 02:25:57 +0100 [thread overview]
Message-ID: <20011121012557.25248@smtp.adsl.oleane.com> (raw)
In-Reply-To: <20011120.161937.118616800.davem@redhat.com>
>As a result GEM sends pause frames when there is even the slightest
>amount of DMA traffic is has to compete with. On a 33Mhz/32-bit PCI
>bus, it is sending pause frames all the time even if it is the only
>agent making use of the bus.
Ok. At least, the UniNorth version runs on a 66Mhz bus directly
hooked to the CPU bus within the north bridge. The only other device
sharing that PCI segment is FireWire (well, it's a bandwidth hog
too be more rarely used so far).
Thanks for the clarification.
Ben.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2001-11-21 1:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-18 6:45 GigE Performance Comparison of GMAC and SUNGEM Drivers Bill Fink
2001-11-19 0:15 ` Anton Blanchard
2001-11-19 12:54 ` Benjamin Herrenschmidt
2001-11-20 6:34 ` Bill Fink
2001-11-20 12:02 ` Benjamin Herrenschmidt
2001-11-20 19:50 ` David S. Miller
2001-11-21 0:05 ` benh
2001-11-21 0:19 ` David S. Miller
2001-11-21 1:25 ` Benjamin Herrenschmidt [this message]
2001-11-21 4:17 ` Bill Fink
2001-11-21 3:46 ` Bill Fink
2001-11-21 5:36 ` Anton Blanchard
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