HP Fortran Programmer's Guide (September 2007)

Performance and optimization
Using options to control optimization
Chapter 6 151
+O[no]vectorize +O32 or
higher
Replace [do not replace] eligible loops with
calls to the math library; for more
information, see “Using the +Ovectorize
option” on page 159. The default is
+Onovectorize.
Table 6-3 Fine-tuning optimization options (Continued)
Option Level Function