of brains and computers
TRANSCRIPT
COMPUTER EVOLUTIONWhere do OUR computers come from?
1950s Mainframe
198o’s PC
1970s Minicomputers
1940s ENIAC
1800s Mechanical computer
1990’s Laptop
2000’s Smartphone
2010’s Wearable
1990s www
2000s compute centers
1970s Internet
2010s swarms
Different goals and metricsBrain mission: “survive, prosper, procreate” “Computers execute algorithms”
CONVERGENCE
7 nm CMOS425 mm2
> 37 Billion Transistors5-150 W> 100 TOPS
4-100 μm neurons1.3-1.5 dm3
~ 80 Billion Neurons100 Trillion Synapses20W Average> 10,000 TOPS (??)
Detected event
AC
ES
Rec
epto
r
1
2
3
4
5
Rec
epto
r
5
4
3
2
1
Volta
ge (m
v)
150
0
-150
A B CReceptor output Decoder output
500μs 500μs 500μs
Transmitted signal
Spatiotemporal structure Spatiotemporal
structure preserved
pulse signature
Decoder threshold
150mV
Time Time Time
|T| = 10
Somatosensory cortex
Nerve
Spatiotemporal spike patterns
SpatiotemporalACES signals
A
B
C
+
Artificial Intelligence
“To conserve space, time and energy, new information should be stored at the site where it is processed and from whence it can be recalled …”