Date: Fri, 1 Feb 2002 00:23:39 -0800 From: Luigi Rizzo <rizzo@icir.org> To: Terry Lambert <tlambert2@mindspring.com> Cc: Mike Silbersack <silby@silby.com>, Storms of Perfection <gary@outloud.org>, thierry@herbelot.com, replicator@ngs.ru, hackers@FreeBSD.org Subject: Re: Clock Granularity (kernel option HZ) Message-ID: <20020201002339.C48439@iguana.icir.org> In-Reply-To: <3C59E873.4E8A82B5@mindspring.com> References: <20020131172729.X38382-100000@patrocles.silby.com> <3C59E873.4E8A82B5@mindspring.com>
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On Thu, Jan 31, 2002 at 04:59:31PM -0800, Terry Lambert wrote: > > You will get a factor of 6 (approximately) improvement in > throughput vs. overhead if you process packets to completion > at interrupt, and process writes to completion at write time > from the process. this does not match my numbers. e.g. using "fastforwarding" (which bypasses netisrs's) improves peak throughput by a factor between 1.2 and 2 on our test boxes. cheers luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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