Date: Tue, 29 Jun 1999 15:56:48 -0400 From: Matthew Patton <patton@sysnet.net> To: Kevin Van maren <vanmaren@cs.utah.edu> Cc: freebsd-smp@freebsd.org Subject: Linux vs Win issue [was: Re: high-efficiency SMP locks - submission for review] Message-ID: <3.0.5.32.19990629155648.009b3750@mail.sysnet.net> In-Reply-To: <199906291705.LAA20627@zane.cs.utah.edu>
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One point that people are missing on the "linux threaded stack" issue is
that it's not really the stack at all!! The machines were tested with 2
NICs on the same subnet. The trick NT does is bind each NIC's IRQ to a
specific processor. Thus the processing of traffic is more efficient.
In the Unix world, putting 2 nics on the same subnet is not exactly kosher
and in any event, the Linux kernel doesn't pull the same tricks. Equip both
machines with just a SINGLE ethernet card and the results may have been
rather different.
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