Matthew Dillon wrote:
>
> :I tested build worlds where I created my /usr/obj on one controller
> :and left the /usr/src on a different controller. The buildworlds are
> :pretty much I/O bound. They ran faster but not that much faster when
>
> Buildworlds are NOT I/O bound. They are *CPU* bound. This becomes
> glaringly obvious when you mount /usr/src and /usr/obj over NFS
> and look at the network traffic.
>
>
You are right but that is because I haven't started keeping record on
4.0-Stable and we were comparing apples and oranges. A buildworld of
3.4-Stable required around 2000u seconds using gcc-2.8.2 on my system.
Setiathome, which is running at a nice of 19, still consumed 90% of
the cpu. A buildworld on 4.0-Stable required 3500u seconds using
gcc-2.95.2 and setiathome didn't accrue any appreciable cpu time
during the build. There were definitely some changes there :).
Kent
--
Kent Stewart
Richland, WA
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