From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 22 Feb 2016 16:12:34 +0100 From: tlaronde@polynum.com To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Message-ID: <20160222151234.GB2988@polynum.com> References: <20160222131359.GA2152@polynum.com> <9660a4b83c4716e542067787ef079dc9@proxima.alt.za> <89408094bbaa48f7f464c9c1ea4d9df4@hemiola.co.uk> MIME-Version: 1.0 In-Reply-To: <89408094bbaa48f7f464c9c1ea4d9df4@hemiola.co.uk> User-Agent: Mutt/1.5.24 (2015-08-30) Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: Re: [9fans] rtl8169 gbe slow Topicbox-Message-UUID: 87a1fdec-ead9-11e9-9d60-3106f5b1d025 On Mon, Feb 22, 2016 at 02:39:20PM +0000, rod@hemiola.co.uk wrote: > I get quite consistent results here. > > Downloading http://downloads.kergis.com/kertex/kertex_bundle.tar to /dev/null: > > linux over rtl8169 & ASDL : 5.4 seconds > plan 9 native over rtl8169 & ASDL : 12.4 seconds > as above, but latest sources tcp.c : 12.4 seconds > > linux on server : 1.2 seconds > plan9 in lguest on the same server : 2.2 seconds > > Oldish labs kernels in both cases. > The interesting data is the difference between plan9 native and plan9 under lguest. Does plan9 under lguest actually use the linux hardware services? Is plan9 under lguest using "its" implementation except for the low level device driving i.e. the ethernet provided by the Linux host? -- Thierry Laronde http://www.kergis.com/ http://www.arts-po.fr/ Key fingerprint = 0FF7 E906 FBAF FE95 FD89 250D 52B1 AE95 6006 F40C