information processing by complex thermodynamic systems: a search for a new computing feasibility
TRANSCRIPT
![Page 1: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/1.jpg)
Information Processing by Complex Thermodynamic Systems: A Search
for a New Computing Feasibility
Doy Sundarasaradula, Ph.D.
TOT Innovation Institute
TOT Public Company Limited, Thailand
IEEE-ICITIS 2011
![Page 2: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/2.jpg)
Presentation Outline
• Limitations of traditional digital computing systems
• Levels of information
• Information processing & thermal energy conversion
• Equivalence between energy & information
• Dissipative structures
• Information processing by a dissipative structure
![Page 3: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/3.jpg)
Limitations of traditional digital computing systems
• Traditional digital systems (e.g., digital computers)– Highly constrained
– Precisely laid out
– Not very fault tolerant
– Largely serial
– Centralised
– Deterministic– Minimally adaptive
![Page 4: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/4.jpg)
Limitations of traditional digital computing systems
• Biological computing systems (e.g., brains)
– Massively parallel
– Densely connected with leaky transmission paths
– Fault tolerant
– Self repairing
– Adaptive
– Noisy and stochastic
![Page 5: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/5.jpg)
Levels of information
• Syntactic (e.g., signs, symbols, etc.)
• Semantic (e.g., mutual understanding between senders and receivers)
• Pragmatic (e.g., mutual understanding between senders and receivers + mutual interactions)
![Page 6: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/6.jpg)
Information processing & thermal energy conversion
Heat reservoir at high
temperature Th
Heat reservoir at
low temperature Tc
Heat engine
Qh
Qc
W = Qh - Qc
Figure 3. Working principle of heat engine based on Carnot theory
Non-Adaptive/ Rigid Structures
![Page 7: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/7.jpg)
Information processing & thermal energy conversion
Less organised data
(in electrical energy
input or signaling
format, etc.)
Low quality
thermal
energy/entropy
dissipation
Microprocessor/
Microcontroller
Figure 4. Working principle of microprocessor-based information processing
systems
More useful and
organised information
(electrical signaling,
etc.)
Non-Adaptive/ Rigid Structures
![Page 8: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/8.jpg)
Equivalence between energy & information
“According to the Shannon’s and Weaver’s information theory, a bit of information is equal to kln2 or approx. 10-23 joules per degree Kelvin, where k is Boltzmann’s Constant (Tribus and McIrvine, 1971).”
![Page 9: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/9.jpg)
Dissipative Structures (Brusselators)
X Y
Figure 1. The cyclical organization of the Brusselator with an autocatalytic step of X.
A
B
E D
Adaptive/Interactive Structures
.
32
EX
DYXB
XYX
XA
XBXYXAdt
dX 2
YXBXdt
dY 2
![Page 10: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/10.jpg)
Information processing by a dissipative structure
Figure 2. The dynamic of pragmatic information within a dissipative structure
BA
Novelty Confirmation
Autopoiesis
Level of P
ragm
atic info
rmation
Complete
ChaosComplete
Stagnation
![Page 11: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/11.jpg)
Output signals generated by a Brusselator
10:50 30 Aug 2008
Figure 10.86 A test result - Flow Constant 5 is set at 0.00472
Page 1
0.00 4000.00 8000.00 12000.00 16000.00
Time
1:
1:
1:
0
10
20
1: X1
1 11
1
![Page 12: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/12.jpg)
Output signals generated by a Brusselator
10:50 30 Aug 2008
Figure 10.87 A test result - Flow Constant 5 is set at 0.00472
Page 1
0.00 4000.00 8000.00 12000.00 16000.00
Time
1:
1:
1:
0
10
20
1: Y1
1
1
11
![Page 13: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/13.jpg)
Influx affected by system’s activity
10:50 30 Aug 2008
Figure 10.88 A test result - Flow Constant 5 is set at 0.00472
Page 1
0.00 4000.00 8000.00 12000.00 16000.00
Time
1:
1:
1:
0
10
20
1: Source1
1 1 1 1
![Page 14: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/14.jpg)
Influx affected by system’s activity
Dissipative systems
Energy fluxes from the
environment
![Page 15: Information Processing by Complex Thermodynamic Systems: A Search for a New Computing Feasibility](https://reader030.vdocument.in/reader030/viewer/2022020307/55a80b5e1a28abbf118b45e4/html5/thumbnails/15.jpg)
Questions?
Xie xie nin men!