Re: Early SPECWeb99 results on 2.5.33 with TSO on e1000

Martin J. Bligh
2002-09-06T16:08:15Z

> No, no. Bad Martin! Throughput didn't drop, "Specweb compliance"
> dropped. Those are two very, very different things. I've found
> that the server can produce a lot more throughput, although it
> doesn't have the characteristics that Specweb considers compliant.
> Just have Troy enable mod-status and look at the throughput that
> Apache tells you that it is giving during a run. _That_ is real
> throughput, not number of compliant connections.

By throughput I meant number of compliant connections, not bandwidth.
It may well be latency that's going out the window, rather than
bandwidth. Yes, I should use more precise terms ...

> _And_ NAPI is for receive only, right? Also, my compliance drop
> occurs with the NAPI checkbox disabled. There is something else
> in the new driver that causes our problems.

Not sure about that - I was told once that there were transmission
completion interrupts as well? What happens to those? Or am I
confused again ...

M.