From: "ron minnich" <rminnich@gmail.com>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@9fans.net>
Subject: Re: [9fans] Plan 9 and multicores/parallelism/concurrency?
Date: Thu, 17 Jul 2008 06:00:28 -0700 [thread overview]
Message-ID: <13426df10807170600p4001168ahfa2f3cbc7cfd9144@mail.gmail.com> (raw)
In-Reply-To: <21ff67ce1f4f23a2b0dab98358a116ed@quanstro.net>
On Thu, Jul 17, 2008 at 5:40 AM, erik quanstrom <quanstro@quanstro.net> wrote:
> what i have seen is that the intel 82598 10gbit chip, by keeping
> its tx and rx descriptor rings in cachable regular memory can
> mash the fsb to little bits. it's still pretty fast, though.
>
it's funny how often this lesson is relearned. But cost is the driver,
and memory-free NICS are cheaper ... there are even memory-free
infiniband cards now. But I remember a A Quadrics guy telling me he
never wanted to put descriptors into main memory ever, ever again.
ron
next prev parent reply other threads:[~2008-07-17 13:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-14 8:45 ssecorp
2008-07-14 9:08 ` sqweek
2008-07-14 16:17 ` Iruata Souza
2008-07-14 16:31 ` Roman V. Shaposhnik
2008-07-14 10:15 ` a
2008-07-14 15:32 ` David Leimbach
2008-07-14 16:00 ` erik quanstrom
2008-07-14 16:29 ` Roman V. Shaposhnik
2008-07-14 20:08 ` a
2008-07-14 20:39 ` Roman V. Shaposhnik
2008-07-14 22:12 ` a
2008-07-17 12:26 ` Roman V. Shaposhnik
2008-07-17 12:40 ` erik quanstrom
2008-07-17 13:00 ` ron minnich [this message]
2008-07-14 20:43 ` Charles Forsyth
2008-07-14 16:35 erik quanstrom
[not found] <f1209aefaab5eece7465c3d0df545ddd@quanstro.net>
2008-07-14 20:33 ` Roman V. Shaposhnik
2008-07-15 1:37 ` Joel C. Salomon
2008-07-15 8:01 ` Bakul Shah
2008-07-15 17:50 ` Paul Lalonde
2008-07-17 19:29 ` Bakul Shah
2008-07-18 3:31 ` Paul Lalonde
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