SHORT   Floating point exceptions

EVENTSET
PMC0  INSTRUCTIONS_RETIRED
PMC1  FP_INSTRUCTIONS_RETIRED_ALL
PMC2  FPU_EXCEPTIONS_ALL

METRICS
Runtime (RDTSC) [s] time
Overall FP exception rate  PMC2/PMC0
FP exception rate    PMC2/PMC1

LONG
Formulas:
Overall FP exception rate = FPU_EXCEPTIONS_ALL / INSTRUCTIONS_RETIRED
FP exception rate = FPU_EXCEPTIONS_ALL / FP_INSTRUCTIONS_RETIRED_ALL
-
Floating point exceptions occur e.g. on the treatment of denormal numbers.
There might be a large penalty if there are too many floating point
exceptions.

