Computing in nonlinear media and automata collectives
Computing in nonlinear media and automata collectives
Integrating forms of interaction in a distributed model
Fundamenta Informaticae
A high performance agent based modelling framework on graphics card hardware with CUDA
Proceedings of The 8th International Conference on Autonomous Agents and Multiagent Systems - Volume 2
Computing with a distributed reaction-diffusion model
MCU'04 Proceedings of the 4th international conference on Machines, Computations, and Universality
Deployment of parallel linear genetic programming using GPUs on PC and video game console platforms
Genetic Programming and Evolvable Machines
Toward real-time simulation of cardiac dynamics
Proceedings of the 9th International Conference on Computational Methods in Systems Biology
Smoldyn on Graphics Processing Units: Massively Parallel Brownian Dynamics Simulations
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB)
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In the arsenal of tools that a computational modeller can bring to bare on the study of cardiac arrhythmias, the most widely used and arguably the most successful is that of an excitable medium, a special case of a reaction-diffusion model. These are used to simulate the internal chemical reactions of a cardiac cell and the diffusion of their membrane voltages. Via a number of different methodologies it has previously been shown that reaction-diffusion systems are at multiple levels Turing complete. That is, they are capable of computation in the same manner as a universal Turing machine. However, all such computational systems are subject to a limitation known as the Halting problem. By constructing a universal logic gate using a cardiac cell model, we highlight how the Halting problem therefore could limit what it is possible to predict about cardiac tissue, arrhythmias and re-entry. All simulations for this work were carried out on the GPU of an XBox 360 development console, and we also highlight the great gains in computational power and efficiency produced by such general purpose processing on a GPU for cardiac simulations.