latency

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1 June 2012

Blake Matheny: Latency numbers for humans

mobocracy:

Times

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns Compress 1K bytes with Zippy...

TAGS: latency math