optisa(1)
NAME
optisa − determine which variant instruction set is optimal to use
SYNOPSIS
optisa instruction_set...
DESCRIPTION
optisa 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 isalist(5).
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Availability | SUNWcsu |
SEE ALSO
isalist(1), isalist(2), isalist(5), attributes(5)
DIAGNOSTICS
Exit status is 0 if one of the instruction_set values you specified is printed by this command. Exit status is 1 if there is no output; that is, this machine cannot use any instruction_set that you specified with the optisa command.
NOTES
optisa is preferable to uname -p or uname -m in determining which of several binary versions of a given program should be used on the given machine.
SunOS 5.6 — Last change: 25 Oct 1996