The Pseudo-Boolean Optimization Website

 

1000-2
OR-LIB

 

variables: 1000
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
354,932 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 600 sec Implemented in C++ and tested on a Pentium II PC (300 MHz) under Solaris 2.6.
354,932 lower bound

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

tabu search --- Pentium II 266 PC.
354,932 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 4514 sec Silicon Graphics Indigo (R4000, 100 MHz, 48 MB RAM).
354,637 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 6794 sec Silicon Graphics Indigo (R4000, 100 MHz, 48 MB RAM).
 

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Last updated: February 12, 2005.