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rafa-b / latency.txt
Created October 24, 2019 04:34 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
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L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
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rafa-b / docker-help.md
Created February 1, 2019 03:13 — forked from bradtraversy/docker-help.md
Docker Commands, Help & Tips

Docker Commands, Help & Tips

Show commands & management commands

$ docker

Docker version info