New Cosmos Solvers and Dual CPU's

The new solvers for Cosmos/M, CosmosWorks and DesignStar are all meant
to utilise miltiple processors when available. I have been using them
for a couple of weeks and I don't think they do. I have a dual CPU
machine but when NSTAR, ASTAR or STAR are running they will only ever
use a maximum of 50% of the processing power of my PC. This is the
same as when I use any other Windows program.

Has anyone got more than 50% CPU usage with dual processors running the
new solvers?



(My machine is a dual Xeon windows XP Pro running the latest version of
DesignStar and Cosmos 2003)

 

And it is really the sparse solver and skyline solver that need it. It
is these solvers that get called to do the really dirty slow work when
running non-linear or dynamic models.

 

And it is really the sparse solver and skyline solver that need it. It
is these solvers that get called to do the really dirty slow work when
running non-linear or dynamic models.

 

The "what's new" articles all say that the solvers support multiple
processors, but I have not seen them using any more than 50% of my 2
processors, which is the same as using 1 processor.

Has anyone got a dual cpu machine and had a look to see if the solvers
use them both?