Date: Sun, 25 Jun 1995 12:33:20 -0700 (PDT) From: Poul-Henning Kamp <phk> To: bde@zeta.org.au (Bruce Evans) Cc: bde@freefall.cdrom.com, pete@puffin.pelican.com, current@freebsd.org Subject: Re: cvs commit: src/sys/i386/isa sio.c Message-ID: <199506251933.MAA04009@freefall.cdrom.com> In-Reply-To: <199506251918.FAA05169@godzilla.zeta.org.au> from "Bruce Evans" at Jun 26, 95 05:18:32 am
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> I've been complaining about this for a year or two. I think it is because > tcp/ip wasn't designed for bidirectional interface. My standard benchmark > is: > > time rcp machine1:/kernel machine2:/tmp/kernel & \ > time rcp machine2:/kernel machine1:/tmp/kernel & > > This takes about twice as long as would separate rcp's because acks get > queued behind large amounts of data and arrive too late to keep the data > streaming. Have you tried making your tcp-windows bigger ? -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. Just that: dried leaves in boiling water ?
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