Hi JHJ,

> does firebird 1.5.1 Superserver take advantage of multi-processors

No.

> or is it best to plan on single processor.

It's possible that you experience a performance hit under Windows if
the OS keeps swapping the fbserver process between CPUs. If this
happens, you can set the CpuAffinityMask parameter in firebird.conf;
please see the Release Notes for details.


Greetings,
Paul Vinkenoog