quoted

I'm also surprised about the dontneed vs. munmap numbers.

You mean the ones for Altra that I posted? (I didn't post any for M2). The altra
numbers look ok to me; dontneed has no change, and munmap has no change for
order-0 and is massively improved for order-9.

I would expect that dontneed would similarly benefit -- same code path. 
But I focused on munmap measurements for now, I'll try finding time to 
confirm that it's the same on Intel.

-- 
Cheers,

David / dhildenb


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