Processor contention(?) and network bandwidth on AMD
siegert at sfu.ca
Mon Apr 29 16:13:30 EDT 2002
On Mon, Apr 29, 2002 at 03:40:30PM -0400, Mark Hahn wrote:
> NOTE TO ALL BEOWULF USERS: seriously consider running 2.4.18
> or better, and *definitely* try out gcc 3.1 ASAP.
> these updates have changed my life </evangelical>
I can only confirm that 2.4.18 improves "life" dramatically.
Before that certain MPI jobs (using LAM) would just hang.
Now with respect to gcc-3.x:
It has been pointed out that gcc-3.0 is extremely bad for Athlons
and (only) bad for PIIIs:
My recent exercise in compiling atlas only confirms this.
Have these issues been resolved in gcc-3.1?
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