Renato Negrinho negrinho
negrinho
/ latency.txt
Created
July 16, 2018 21:11
— forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
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| Latency Comparison Numbers Simplified (~2012) | |
| ---------------------------------- log2 log10 | |
| L1 cache reference 0 0 ~ 1 ns | |
| Branch mispredict 3 1 | |
| L2 cache reference 4 1 | |
| Mutex lock/unlock 6 2 | |
| Main memory reference 8 2 | |
| Compress 1K bytes with Zippy 13 4 | |
| Send 1K bytes over 1 Gbps network 14 4 | |
| Read 4K randomly from SSD* 18 5 |