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Statistical mechanics of program systems

Juan P Neirotti1 and Nestor Caticha2

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We discuss the collective behaviour of a set of operators and variables that constitute a program and the emergence of meaningful computational properties in the language of statistical mechanics. This is done by appropriately modifying available Monte Carlo methods to deal with hierarchical structures. The study suggests, in analogy with simulated annealing, a method to automatically design programs. Reasonable solutions can be found, at low temperatures, when the method is applied to simple toy problems such as finding an algorithm that determines the roots of a function or one that makes a nonlinear regression. Peaks in the specific heat are interpreted as signalling phase transitions which separate regions where different algorithmic strategies are used to solve the problem.


PACS

05.20.-y Classical statistical mechanics

05.10.Ln Monte Carlo methods

MSC

82B80 Numerical methods (Monte Carlo, series resummation, etc.) (See also 65-XX, 81T80)

68U07 Computer-aided design (See also 65D17)

68Wxx Algorithms (For numerical algorithms, see 65-XX; for combinatorics and graph theory, see 68Rxx)

Subjects

Computational physics

Statistical physics and nonlinear systems

Dates

Issue 33 (18 August 2006)

Received 9 January 2006, in final form 27 June 2006

Published 2 August 2006



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