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Latency numbers every programmer should know

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 ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

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mountain / tkz-euclid-cheatsheet.en.md
Created October 13, 2021 16:44 — forked from kpym/tkz-euclid-cheatsheet.en.md
cheatsheet : tkz-euclid (latex library based on tikz)

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\usepackage{tkz-euclide} % checked for version 3.02c

Point definitions