FLOPS requirements

gregory.menke at gsfc.nasa.gov gregory.menke at gsfc.nasa.gov
Tue Sep 27 14:53:50 UTC 2005


Mark Vander Voord writes:
 > Does anyone have advice on measuring FLOPS requirements of an existing
 > application?  We are currently using a software floating point library
 > and are planning to switch platforms to a micro with hardware floating
 > point support.  Before we do this, we would like to have an estimate
 > of our application's floating point usage.  Are the libraries to do
 > this?  Is there something useful in RTEMS to help with this?
 > 

You might use objdump & friends to grep for the fp lib calls assuming
they aren't macros or inline assembly, then count them.

Gregm




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