FastE NIC Recommendation

Trent Piepho xyzzy at speakeasy.org
Mon Nov 18 04:51:56 EST 2002


On Mon, 18 Nov 2002, Steffen Persvold wrote:
> The Intel e1000 (which is in the Linux kernel tree btw.) has a ping-pong/2 
> latency of about 25us on a decent Platform (Xeon, E7500 chipset). The 
> Broadcom 5700 series (with the tg3 driver) has approx. 30us ping-pong/2 
> latency on a ServerWorks GC-LE chipset (also Xeon processors). _But_ if 
> you try e1000 on a AMD 760 MPX chipset for instance, the latency increases 
> to 65 us ping-pong/2. YMMV.

Is that an interaction between the 760MPX and the e1000, or typical for the
760MPX?  ie. does the broadcom 5700 also have high latency with AMD chipsets?


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