I have a Tyan 1662S motherboard with two PPro150's o/c to 166MHz,
this runs Debian Linux kernel 2.0.30 with SMP set for two processors.
Both processors are detected, no problems aparrent.
As a test :-) I downloaded an SMP client program from
the program is called rc564 and it adds my machine to the distributed
net effort to crack a 64 bit rc5 key.
The program has a benchmark option which shows that the machine
processes about 460,000 keys per second.
Distributed Net's web pages list benchmarks for single and
multi-processor machines. A single processor ppro150 should process
about 450,000 keys per second.
The multiprocessor pages would indicate that a twin PPro200 machine
running NT4 would process about 1,000,000 keys per second. Linux SMP
machines deliver about half this figure.
It would appear that Linux SMP is about half as efficient as WinNT
for multiprocessors for this application.
I tried changing the nice values, with no noticeable effect.
If I am wrong about Linux efficiency, please tell me. Also are later
kernels more efficient at running SMP?
Rchard A Lough