0xadada

Moved, see VIM Cheatsheet

hellerbarde

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

Bachmann1234

def C():
	return "bat"

def С():
	return "man"

if __name__ == "__main__":
	print(C(), С())

Bachmann1234

billy gets 🎁
jill gets 💩
Jen gets 🎁

garybernhardt

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It's now here, in The Programmer's Compendium. The content is the same as before, but being part of the compendium means that it's actively maintained.