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SunOS man pages : optisa (1)

User Commands                                           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 speci- fied 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 attri- butes: ____________________________________________________________ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | |_____________________________|_____________________________| | Availability | SUNWcsu | |_____________________________|_____________________________|

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 instruction_set that you specified with the optisa command.

SEE ALSO

isalist(1), uname(1), attributes(5), isalist(5)

NOTES

optisa is preferable to uname -p or uname -m (see uname(1)) in determining which of several binary versions of a given program should be used on the given machine. SunOS 5.8 Last change: 25 Jul 1997 1