Searching the NI Knowledge Base I found
http://digital.natinst.com/public.nsf/websearch/862567530005F09C8625674D0059D441
"My Executable built with LabVIEW 5.0.1f1 Application Builder executes
more slowly than the original VI did within LabVIEW".
That describes how to turn off multithreading for your built
application. For some apps, like mine, that makes it run faster.
Best, Mark