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Linux and Unix optisa command

optisa commandAbout optisa
optisa syntax
optisa examples
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About optisa

Determine which variant instruction set is optimal to use. The optisa command 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.

optisa syntax

optisa instruction_set

optisa examples

optisa

Display results similar to the example below.

usage: /usr/bin/optisa isalist

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.

isalist — Display the native instruction sets available on a Solaris system.
uname — Print information about the current system.