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@hellerbarde
hellerbarde / latency.markdown
Created May 31, 2012 13:16 — forked from jboner/latency.txt
Latency numbers every programmer should know

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

@diego898
diego898 / rd.md
Last active October 13, 2020 21:18
Enable Concurrent Remote Desktop Users in Windows 8.1 x64

thanks to @neurodyne and this link for updated instructions

This works with the following versions of termsrv.dll

x64 - termsrv.dll - 6.3.9600.17095

Find Replace
39813C0600000F849E310500 B80001000089813806000090
090085C07F078BD8 090085C090908BD8
@koteq
koteq / mal_sort_plan2watch.js
Last active September 23, 2021 19:40
myanimelist.net sort plan to wach by rank #mal
// go to your myanimelist.net
// click "Plan to Watch"
// scrooll all the way down
// exec this from console
const calc_weight = function (score, users) {
const mean = 7.0;
const minimum = 30000.0;
return (score * users + mean * minimum) / (users + minimum); // imdb top250
};