The Pseudo-Boolean Optimization Website

 

g2b
G2

 

variables: 1000
density: 30%
diagonal coefficients: integer uniform [0,99]
off-diagonal coefficients: integer uniform [-50,0]
starting seed:

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Maximum
Value Type Source Method Time Technology
2,122 lower bound

E. Boros, P. L. Hammer and G. Tavares, (2005), "Local search heuristics for unconstrained quadratic binary optimization", RUTCOR Research Report, Rutgers University.

random search + MSTS --- ---
2,050 lower bound

F. Glover, B. Alidaee, C. Rego and G. Kochenberger, (2002), ''One-pass heuristics for large-scale unconstrained binary quadratic problems'', European Journal of Operational Research 137 272-287.

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Last updated: February 12, 2005.