| P |
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PAD specifier #1
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PAD specifier #2
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See also LRM
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/PAD_SOURCE qualifier
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Page fault
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and temporary storage
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PARAMETER statement
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compiler option for alternate PARAMETER syntax
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See also LRM
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Parentheses in expressions
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maximum allowed
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Passed-length character arguments
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See also LRM
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PCA
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See Performance and Coverage Analyzer (PCA)
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Performance
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/ALIGNMENT qualifier
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arithmetic operators and run-time performance
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array use efficiency #1
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array use efficiency #2
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/ASSUME=DUMMY_ALIASES qualifier #1
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/ASSUME=DUMMY_ALIASES qualifier #2
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/ASSUME=NOACCURACY_SENSITIVE qualifier #1
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/ASSUME=NOACCURACY_SENSITIVE qualifier #2
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/ASSUME qualifier
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checking
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for unaligned data #1
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for unaligned data #2
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process limits #1
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process limits #2
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choosing optimal record type
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compilation #1
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compilation #2
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compilation times and optimization levels
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controlling procedure inlining
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data alignment efficiency #1
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data alignment efficiency #2
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data types and run-time performance #1
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data types and run-time performance #2
|
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DO loop coding and run-time performance
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effect of formatted files on run-time performance
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equivalence and run-time performance
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internal subprograms and run-time performance
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limiting loop unrolling
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measuring
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HP Fortran intrinsic procedures
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LIB$xxxx_TIMER routines
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optimized programs
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Performance and Coverage Analyzer
|
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using command procedures
|
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mixed data type operations and run-time performance
|
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OPEN statement specifiers for efficient I/O
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optimization for Alpha processor generation #1
|
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optimization for Alpha processor generation #2
|
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optimization levels
|
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/OPTIMIZE qualifier
|
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profiling code
|
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qualifiers
|
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controlling code generation (/ARCHITECTURE)
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controlling optimizations #1
|
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controlling optimizations #2
|
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data alignment efficiency
|
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dummy alias assumption
|
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floating-point calculations
|
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for run-time efficiency
|
|
math library use
|
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selecting floating-point data types
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summary
|
|
that improve performance
|
|
that slow performance
|
|
realistic measurements
|
|
record I/O buffers #1
|
|
record I/O buffers #2
|
|
redirecting scrolled output and run-time performance
|
|
reordering floating-point operations
|
|
run-time #1
|
|
run-time #2
|
|
I/O efficiency
|
|
selecting floating-point data types
|
|
size of INTEGER and LOGICAL data
|
|
source code guidelines for run-time efficiency
|
|
statement functions and run-time performance
|
|
timings
|
|
Performance and Coverage Analyzer (PCA)
|
|
Pointers
|
|
C language
|
|
effect of explicit interface
|
|
passed between HP Fortran and C #1
|
|
passed between HP Fortran and C #2
|
|
passing as arguments
|
|
passing between C and HP Fortran
|
|
See also LRM
|
|
use with Compaq Fortran 77
|
|
Porting information
|
|
See Compatibility
|
|
POSITION specifier #1
|
|
POSITION specifier #2
|
|
See also LRM
|
|
Precision
|
|
floating-point data types
|
|
Preconnected files
|
|
I/O statements
|
|
OPEN statement
|
|
PREPROCESSOR parameter (/SHOW)
|
|
Primary key fields (indexed files)
|
|
definition
|
|
PRINT statement
|
|
See also LRM
|
|
Procedure-based signal handling
|
|
See CHF
|
|
Procedure-calling standard (OpenVMS)
|
|
Procedure interface
|
|
argument passing rules
|
|
array arguments
|
|
changing default passing mechanisms #1
|
|
changing default passing mechanisms #2
|
|
Compaq Fortran 77 and HP Fortran
|
|
passing arguments
|
|
explicit interface #1
|
|
explicit interface #2
|
|
explicit interface #3
|
|
explicit interface #4
|
|
HP Fortran and C #1
|
|
HP Fortran and C #2
|
|
HP Fortran array descriptor format
|
|
HP Fortran subprograms
|
|
implicit interface
|
|
modules #1
|
|
modules #2
|
|
pointer arguments
|
|
procedure interface block #1
|
|
procedure interface block #2
|
|
See also LRM
|
|
types of subprograms
|
|
Procedure signature block (PSB)
|
|
Procedures
|
|
analyzing performance
|
|
inlining #1
|
|
inlining #2
|
|
inlining #3
|
|
inlining #4
|
|
inlining #5
|
|
inlining #6
|
|
compiling multiple files
|
|
run-time
|
|
linking
|
|
See also LRM
|
|
types of subprograms
|
|
Process
|
|
creation and management of
|
|
example of adjusting process memory limits
|
|
for large programs
|
|
interprocess communication
|
|
example
|
|
limits
|
|
checking #1
|
|
checking #2
|
|
increasing memory-limiting SYSGEN parameters
|
|
increasing memory size
|
|
increasing open file limit
|
|
sharing and exchanging data #1
|
|
sharing and exchanging data #2
|
|
Profiling code
|
|
command procedures
|
|
LIB$xxxx_TIMER routines
|
|
PCA
|
|
Program
|
|
compiling
|
|
compiling (example)
|
|
execution
|
|
linking (example)
|
|
name
|
|
default in debugger
|
|
section #1
|
|
section #2
|
|
mapped global pagefile section
|
|
shareable common area
|
|
See also Executable program
|
|
size
|
|
effect of optimization levels
|
|
limitations
|
|
process memory size
|
|
space optimizations
|
|
threaded execution
|
|
related qualifiers
|
|
transportability
|
|
See Compatibility
|
|
units
|
|
creating modules for
|
|
Program counter (PC)
|
|
Program section (PSECT)
|
|
attributes in listing file
|
|
changing attributes #1
|
|
changing attributes #2
|
|
characteristics
|
|
compile-time attributes
|
|
link-time attributes (LINK/MAP)
|
|
mapped global pagefile section
|
|
shareable common area
|
|
PROGRAM statement #1
|
|
PROGRAM statement #2
|
|
See also LRM
|
|
Program transportability
|
|
data
|
|
Prompt
|
|
debugger (DBG>)
|
|
Protection control block
|
|
XABPRO (RMS)
|
|
PSB
|
|
See Procedure signature block (PSB)
|
|
PSECT
|
|
See Program section (PSECT)
|
