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@tj
tj / output
Last active October 18, 2018 04:12
#!/bin/sh
eval `go build -work -a 2>&1` && find $WORK -type f -name "*.a" | xargs -I{} du -hxs "{}" | gsort -rh | sed -e s:${WORK}/::g
@ericelliott
ericelliott / essential-javascript-links.md
Last active April 22, 2024 10:15
Essential JavaScript Links
@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