[rescue] Dual Processors and applications

[Big Endian]

>Brian Dunbar [Brian.Dunbar at plexus.com] wrote:
>>  Scenario:
>>  A dual processor Unix box (sun or hp).  An application (CAD tool) that was
>>  not specifically optimized for dual processors.  Will the app take
>advantage
>>  of the dual processors?
>
>App, no.  OS, yes.  If the app is a single, monolithic process, and it
>doesn't fork of any children, then there's no way it can use both CPUs.
>The OS can certainly switch the app to the CPU that's least busy
>(depending on how the OS schedules), but the app can't use both CPUs at
>the same time.  However, since there's all sorts of other things going
>on on a Unix system at the time, some benefit will be seen.

Not to mention if its an OpenGL app and the Ogl is multithreaded.

Daniel
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