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Numbers I Should Keep In Mind

The Delphi Geek – Name Nanoseconds L1 cache reference 0.5 Branch mispredict 5.0 L2 cache reference 7.0 Mutex lock/unlock 100.0 Main memory reference 100.0 Compress 1K bytes with Zippy 10,000.0 Send 2K bytes over 1 Gbps network 20,000.0 Read 1 MB sequentially from memory 250,000.0 Round trip within same datacenter 500,000.0 Rusty disk seek 10,000,000.0 ...
Favorite? Off-Topic? gabr @ 2013-03-11 13:20

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