The Pseudo-Boolean Optimization Website

 

f2a
F2

 

variables: 500
density: 10%
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
4,029 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 --- ---
3,955 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.