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msbanik / countries.md
Created February 16, 2017 21:46 — forked from richjenks/countries.md
ISO 3166 countries by region — AMER, EMEA & APAC
Country ISO 3166 Region
Afghanistan AF EMEA
Åland Islands AX EMEA
Albania AL EMEA
Algeria DZ EMEA
American Samoa AS APAC
Andorra AD EMEA
Angola AO EMEA
Anguilla AI AMER
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msbanik / latency.txt
Created March 23, 2016 05:16 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers
--------------------------
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