Messages in this thread | | | Subject | Re: tulip driver in 2.1.11* - 2.1.21 is broken - new driver | From | Jes Sorensen <> | Date | 19 Sep 1998 23:26:36 +0200 |
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>>>>> "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
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