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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 |
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As part of the Google Summer of Code 2016, I was lucky enough to contribute | |
to Nmap Security Scanner open source project. It was not easy all along, the | |
were some difficulties and frustrating moments, but overall I got a very | |
positive experience. | |
I would like to thank my mentor, Fotis Chantzis, community, and all the | |
developers who provided helpful feedback and suggestions, Patrick Donnelly, | |
Daniel Miller, and, my fellow GSoC participant, Vincent Dumont. | |
During the summer I worked on two major tasks: improving brute.lua and adding |