Feature Matrix

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Key

✓ = well supported

~ = limited support

❌ = not supported

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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	✓	L1/L2	~	❌	❌	✓	❌	✓	❌
Distance Groups	✓	❌	❌	❌	✓	❌	❌	❌	❌
I/O	✓	~	~	~	~	❌	❌	❌	~	I/O locality only on Linux