Fact: architecture
Purpose:
Return the CPU hardware architecture.
Resolution:
On non-AIX IBM, OpenBSD, Linux and Debian's kfreebsd, use the hardwaremodel fact. On AIX get the arch value from lsattr -El proc0 -a type Gentoo and Debian call "x86_86" "amd64". Gentoo also calls "i386" "x86".
Caveats: