algorithm - Improved First Fit -


i working on different heuristic solutions bin packing problem , have implemented different algorithms such ff, ffd, bf, bfd , on. question is, there better algorithm these or there (even small) improvements on these algorithms. have read lot , searched not find interesting.

i use construction heuristics (such ff, ffd, bf, bfd) followed metaheuristics (such tabu search, simulated annealing, late acceptance) in optaplanner (java, open source) better results ffd:

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