Date: Sun, 17 Sep 2006 20:20:55 +0400 From: "Eugene Kazarinov" <kamuzon@milshop.ru> To: freebsd-stable@freebsd.org Subject: Re: Polling and em0 Message-ID: <519867a90609170920x51726e74k6f86f2661965fd03@mail.gmail.com> In-Reply-To: <450CE15B.3060806@thebeastie.org> References: <op.tfzin5x2zq5pz4@sovaio.netoldies.com> <450CE15B.3060806@thebeastie.org>
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> > Since 6.1 I have stopped using polling as a regular kernel seems to give > good performance as compared to polling mode. > In fact I used to get anything between 55-75megs/sec on 6.1 with regular > cables but since upgraded to cat6 quality Ethernet cable I get > practically full gigabit speed with no polling. > Close to 97megs/sec is the performance I get out of my Dells with the em > driver, and apparently the new em driver in 6-stable 6.2 is even faster. > > em(4) Dell to em(4) Dell > dell1# cat /dev/zero | dd bs=1m | nc dell2 3000 > ^C0+18456 records in > 0+18455 records out > 1209466880 bytes transferred in 12.459299 secs (97,073,429 bytes/sec) Do you meen that from 6.2 I dont need polling for fastest performance?
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