Transaction Processing

Units and Performance Figures (Price and performance figures based on 1991 estimates)

 

Magnitude	Name	Abbreviation	Unit	Abbreviation
10l8 ≈ 260	exa	e, E	bit	b
1015 ≈ 250	peta	P, P	byte (8 bits)	B
1012 ≈ 240	tera	t, T	bits per second	bps
109 ≈ 230	giga, billion	g, b, G, B	bytes per second	Bps
106 ≈ 220	mega	m, M	instructions per second	ips
103 ≈ 210
100 ≈ 20	kilo	k, K	transactions per second	tps
10−3	milli	m
10−6	micro	μ
10−9	nano	n
10−12	pico	P
10−15	femto	f

Price-Performance Tradeoff for Memory

Typical Performance Figures of Commercial Systems

Terms and ...