Polling and em0

Eugene Kazarinov kamuzon at milshop.ru
Sun Sep 17 09:21:04 PDT 2006


>
> 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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