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This is Fig. 34 in the 2006 difficult paper. This slide shows design iterations from the SUPEROPT execution made after certain PANDA2 modifications.
Each “spike” in the curve corresponds to a new “starting” design obtained randomly by the PANDA2 processor called AUTOCHANGE. Five PANDAOPTs per AUTOCHANGE were specified for the execution of SUPEROPT.
SUPEROPT is used to find the "global" optimum design. The word, "global", is in quotes because PANDA2 cannot rigorously find the global optimum, but finds an optimum design the weight of which might be close to that of the global optimum because optimum designs are found starting from many different points in design space during a single execution of the PANDA2 processor, SUPEROPT.
PANDA2 has a new processor called "SUPERDUPEROPT" which automatically executes SUPEROPT many times in succession.
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