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Date:      Tue, 17 Apr 2001 20:40:38 -0600 (MDT)
From:      <janb@cs.utep.edu>
To:        "E.B. Dreger" <eddy+public+spam@noc.everquick.net>
Cc:        Matt Dillon <dillon@earth.backplane.com>, Alfred Perlstein <bright@wintelcom.net>, Greg Lehey <grog@lemis.com>, "Justin T. Gibbs" <gibbs@scsiguy.com>, Doug Barton <DougB@DougBarton.net>, "current @ freebsd . org" <current@FreeBSD.ORG>
Subject:   Re: Kernel preemption, yes or no? (was: Filesystem gets a huge performance boost)
Message-ID:  <Pine.GSO.4.30.0104172040070.6158-100000@gecko>
In-Reply-To: <Pine.LNX.4.20.0104180211450.14449-100000@www.everquick.net>

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> IIRC, didn't the NT driver for some NIC (Intel?) switch to polling,
> anyway, under heavy load?  The reasoning being that you _know_ that you're
> going to get something... why bother an IRQ hit?
THis is very interesting. How does this affect performance?

JAn


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