This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
L1 cache reference 0.5 ns 1 sec | |
Branch mispredict 5 ns 10 sec | |
L2 cache reference 7 ns 14 sec | |
Mutex lock/unlock 25 ns 50 sec | |
Main memory reference 100 ns 3.3 min | |
Compress 1K bytes with Zippy 3,000 ns 1.7 hr | |
Send 2K bytes over 1 Gbps network 20,000 ns 11.0 hr | |
Read 1 MB sequentially from memory 250,000 ns 5.8 days | |
Round trip within same datacenter 500,000 ns 11.6 days | |
Disk seek 10,000,000 ns 7.7 months |