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:
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.