Skip to content

Instantly share code, notes, and snippets.

View apolaskey's full-sized avatar
⌨️
Making greatness!

Andrew Polaskey apolaskey

⌨️
Making greatness!
View GitHub Profile

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

@jboner
jboner / latency.txt
Last active July 23, 2024 06:53
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
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