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User Commandsoptisa(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 TYPEATTRIBUTE VALUE
AvailabilitySUNWcsu

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 5.9Go To TopLast Changed 25 Jul 1997

 
      
      
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.