optisa(1) User Commands optisa(1)NAMEoptisa - determine which variant instruction set is optimal to use
SYNOPSISoptisa instruction_set...
DESCRIPTIONoptisa prints which instruction_set out of the ones specified in the
command will perform best on this machine. In this case, ``best'' is
defined by the order in which instruction set names are returned by
isalist(1). Possible values for instruction_set are given in isal‐
ist(5).
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Availability │SUNWcs │
└─────────────────────────────┴─────────────────────────────┘
EXIT STATUS
The following exit values are returned:
0 One of the instruction_set values you specified is printed by
this command.
1 There is no output; that is, this machine cannot use any instruc‐
tion_set that you specified with the optisa command.
SEE ALSOisalist(1), uname(1), attributes(5), isalist(5)NOTESoptisa is preferable to uname -p or uname -m (see uname(1)) in deter‐
mining which of several binary versions of a given program should be
used on the given machine.
SunOS 5.11 25 Jul 1997 optisa(1)