>I appologize if this is not a question tuned well to this mailing
list. I
>do however think this is the best place to ask and get a valid answer.
>The University of Utah is building it's first linux cluster. We have
an
>approx $40K budget. Based on this we came up with two designs, a
single
>processor/node design and a dual processor/node. We have people
arguing
>against both. These are the major concerns. Two processors will fight
>over the memory bandwidth, this is the major concern fighting for
single
>processors. Two processors allows us a greater learning environment,
>basically we can mpi/pvm from machine to machine then use OpenMP to
work
>with shared memory within a machine. Taking out what we want can
someone
>give me a reality check hear and tell me why or why I wouldn't want to
use
>SMP? Thanks in advance.
Take a look at the "2.1.119 on BX motherboards" thread posted last
month.
http://www.linuxhq.com/lnxlists/linux-smp/lm_9809/
I got more data since then - no improvement with more recent kernels
(including -ac[12] versions), BIOS upgrade didn't help, the same thing
happens with Gigabyte GA-6BXDS boards.
--
Alex Korobka ([EMAIL PROTECTED])
Phone: (516) 632-8545
Fax: (516) 632-8490
