lkml.org 
[lkml]   [1998]   [Sep]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: tulip driver in 2.1.11* - 2.1.21 is broken - new driver
From
Date
>>>>> "Alan" == Alan Cox <alan@lxorguk.ukuu.org.uk> writes:

Alan> No the problem we have is that the time go in and out of irq
Alan> handlers and net_bh is a per packet constant. At 100Mbit small
Alan> packet routing we cant cope (nor can BSD). At 1Gbit 1500 byte
Alan> framing Linux routing is out (which in a way is fine since PCI
Alan> is too slow - but PCI wont be too slow next year). Jes has
Alan> accurate data on what 1500->8K packet size transitions do to our
Alan> 1Gbit performance.

Preliminary tests with a Pentium Pro/200 as the slowest of my two test
hosts showed a performance increase from about 28MB/sec to 40MB/sec
when increasing the packet size from 1500 bytes to 9K.

Jes

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:44    [W:0.662 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site