optisa(1)

Name | Synopsis | Description | Attributes | Exit Status | See Also | Notes

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

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 5.11  Last Revised 25 Jul 1997

Name | Synopsis | Description | Attributes | Exit Status | See Also | Notes