HP UX Fortran Software manual Controlling data storage, Debugging, Using the on statement

LPATH environment variable	65
MP_NUMBER_OF_THREADS environment variable	65
Floating installation	65
Setting up floating installation	66
3 Controlling data storage	67
Disabling implicit typing	67
Automatic and static variables	67
Increasing the precision of constants	69
Increasing default data sizes	70
Increasing default data sizes	70
Sharing data among programs	72
Modules vs. common blocks	74
4 Debugging	76
Using the HP WDB debugger	76
Stripping debugging information	76
Handling runtime exceptions	77
Bus error exception	78
Floating-point exceptions	78
Illegal instruction exception	79
Segmentation violation exception	79
Bad argument exception	80
Using debugging lines	80
5 Using the ON statement	81
Exceptions handled by the ON statement	81
Actions specified by ON	82
Terminating program execution	83
Ignoring errors	83
Calling a trap procedure	84
Trapping floating-point exceptions	84
Trapping integer overflow exceptions	84
Trapping +Ctrl-C trap interrupts	85
Allowing core dumps	85
6 Performance and optimization	87
Using profilers	87
HP Caliper	87
Invoking HP Caliper with the compiler to optimize your program	88
Comparing Program Performance	88
Using Options to Control Data Collection	89
Specifying PBO file names and locations	89
gprof	89
prof	90
Using options to control optimization	90
Using +O to set optimization levels	90
Using the optimization options	91
Conservative vs. aggressive optimization	99
Parallelizing HP Fortran programs	100
Compiling for parallel execution	100
Performance and parallelization	101
Profiling parallelized programs	101
Conditions inhibiting loop parallelization	101
Calling routines with side effects parallellization	101
Indeterminate iteration counts	102
Data dependences	102

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