Optimization device and method for controlling optimization device
An optimization device and energy change technology, applied in general control systems, calculations using numerical representation, adaptive control, etc., can solve problems such as time-consuming
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no. 1 approach
[0076] figure 1 is a diagram showing an example of the optimization device of the first embodiment.
[0077] The optimization device 10 includes storage units 11 and 12 , an h generation unit 13 , a ΔE calculation unit 14 , a selection circuit 15 , an identification information calculation unit 16 , and an update unit 17 .
[0078] Notice, figure 1 Shown is a circuit portion that, in the case where N bits are divided into G groups, calculates the value of the state transition due to Hamming distance=2 between a plurality of (n) bits included in the p-th group p energy changes that occur. exist figure 1 In , the illustration of the circuit part that calculates the energy change of other groups is omitted.
[0079] The storage unit 11 holds a matrix of weight values indicating the magnitude of interaction between each of the N bits. During the initial setting process, a matrix of weight values is stored in the storage unit 11 by a control unit (not shown). exist figur...
no. 2 approach
[0125] Figure 4 is a diagram showing an example of the optimization device of the second embodiment.
[0126] The optimization device 20 includes a calculation unit 21 , a selection circuit 22 , an identification information calculation unit 23 , an update unit 24 and a control unit 25 .
[0127] The calculation unit 21 calculates the energy when the transition from one state satisfying the one-heat constraint to another state satisfying the one-heat constraint is performed by a state transition with a Hamming distance=2 in each of the above-described G groups Change (ΔE 1 to ΔE N ).
[0128] The selection circuit 22 is based on the thermal excitation energy and ΔE 1 to ΔE N The index=1 for identifying a bit that allows the value to be updated from 0 to 1 is output from the bits whose values are all 0 included in each of the groups 1 to G. The thermal excitation energy is determined based on random numbers and T input from the control unit 25 . Note that according to...
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