The Pseudo-Boolean Optimization Website

 

2500-4
OR-LIB

 

variables: 2500
density: 10%
diagonal coefficients: integer uniform [-100,100]
off-diagonal coefficients: integer uniform [-100,100]
starting seed:

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Maximum
Value Type Source Method Time Technology
1,507,701 lower bound

P. Merz and B. Freisleben, (1999), ''Genetic algorithms for binary quadratic programming'', in Proceedings of the 1999 international Genetic and Evolutionary Computation Conference (GECCO'99), Morgan Kauffmann, 417-424.

genetic algorithms 1200 sec Implemented in C++ and tested on a Pentium II PC (300 MHz) under Solaris 2.6.
1,507,701 lower bound

G. Palubeckis, (11-24-2003), http://www.soften.ktu.lt/~gintaras/.

tabu search --- Pentium II 266 PC.
1,506,943 lower bound

J. E. Beasley, (1998), ''Heuristic algorithms for the unconstrained binary quadratic programming problem'', Technical Report, Management School, Imperial College, London, UK.

simulated annealing 63018 sec Silicon Graphics Indigo (R4000, 100 MHz, 48 MB RAM).
1,506,242 lower bound

J. E. Beasley, (1998), ''Heuristic algorithms for the unconstrained binary quadratic programming problem'', Technical Report, Management School, Imperial College, London, UK.

tabu search 50642 sec Silicon Graphics Indigo (R4000, 100 MHz, 48 MB RAM).
 

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Last updated: February 12, 2005.