Feature Matrix

Discovery	Linux	AIX	Mac OS X	HP-UX	Solaris	Windows	FreeBSD NetBSD	x86	other	notes
PUs	✅	✅	✅	✅	✅	✅	✅	❌	〰️	x86 needs OS help for discovering PUs
NUMA nodes	✅	✅	✅	✅	✅	✅	❌	〰️	❌
Packages	✅	❌	✅	❌	✅	✅	❌	✅	❌
Cores	✅	✅	✅	❌	✅	✅	❌	✅	❌
Caches	✅	〰️	〰️	❌	❌	✅	❌	✅	❌
Distance Groups	✅	❌	❌	❌	✅	❌	❌	❌	❌
I/O	✅	〰️	〰️	〰️	〰️	❌	❌	❌	〰️	I/O locality only on Linux