Page 244 - 《软件学报》2025年第8期
P. 244

李睿智 等: 局部搜索算法求解最小弱连通支配集问题                                                       3667



                                              表 3 在 一般   UDG  实例上的实验结果

                                   CPLEX        MWCDS          MA       GRASP     GRASP_impLS    FPLS
                   Nodes  R   |E|
                                  Solu  Stat  Best  Avg  Time  Best  Avg  Best  Avg  Best  Avg  Best  Avg
                          60  262  N/A  N/A  18  20.1  <0.01  13  13.0  13  13.0   13    13.0   13  13.0
                          70  329  N/A  N/A  16  17.9  <0.01  11  11.0  11  11.0   11    11.0   11  11.0
                          80  400  N/A  N/A  13  15.7  <0.01  8  8.0    8   8.0    8     8.0    8    8.0
                    80
                          90  474  N/A  N/A  11  12.5  <0.01  8  8.0    8   8.0    8     8.0    8    8.0
                  (N=400)
                         100  563  N/A  N/A  9   11.1  <0.01  7  7.0    7   7.0    7     7.0    7    7.0
                         110  647  N/A  N/A  8    9.6  <0.01  6  6.0    6   6.0    6     6.0    6    6.0
                         120  735  N/A  N/A  8    9.2  <0.01  5  5.0    5   5.0    5     5.0    5    5.0
                          80  335  N/A  N/A  21  23.5  <0.01  15  15.0  15  15.6   15    15.0   15  15.0
                          90  368  N/A  N/A  21  22.5  <0.01  14  14.0  15  15.0   14    14.0   14  14.0
                   100
                  (N=600)  100  435  N/A  N/A  18  20.0  <0.01  12  12.0  12  12.0  12   12.0   12  12.0
                         110  500  N/A  N/A  17  18.5  <0.01  11  11.0  11  11.0   11    11.0   11  11.0
                         120  575  N/A  N/A  14  16.3  <0.01  10  10.0  10  10.0   10    10.0   10  10.0
                          70  756  N/A  N/A  43  47.3  <0.01  29  29.0  30  30.6   28    28.4   28  28.0
                          80  921  N/A  N/A  37  39.0  <0.01  24  24.8  26  26.0   24    24.0   24  24.0
                   200    90  1 113  N/A  N/A  29  32.7  <0.01  20  20.0  21  21.0  20   20.0   20  20.0
                  (N=700)  100  1 305  N/A  N/A  27  28.6  <0.01  18  18.0  19  19.0  18  18.0  18  18.0
                         110  1 501  N/A  N/A  23  25.3  <0.01  16  16.0  16  16.3  16   16.0   16  16.0
                         120  1 730  N/A  N/A  20  22.5  <0.01  13  13.8  14  14.0  13   13.3   13  13.0
                         100  756  N/A  N/A  43  47.3  <0.01  29  29.0  30  30.6   28    28.4   28  28.0
                         110  871  N/A  N/A  40  42.5  <0.01  26  26.0  27  27.0   25    25.0   25  25.0
                         120  997  N/A  N/A  32  36.2  <0.01  23  23.0  24  24.0   23    23.0   23  23.0
                   200
                         130  1 127  N/A  N/A  29  32.9  <0.01  20  20.0  21  21.0  20   20.0   20  20.0
                  (N=1000)
                         140  1 269  N/A  N/A  28  29.7  <0.01  18  18.0  19  19.0  18   18.0   18  18.0
                         150  1 400  N/A  N/A  26  27.6  <0.01  16  16.2  17  17.5  16   16.0   16  16.0
                         160  1 541  N/A  N/A  23  24.8  <0.01  15  15.0  16  16.0  15   15.0   15  15.0
                         130  903  N/A  N/A  57  60.7  <0.01  37  37.8  39  39.3   37    37.0   36  36.0
                   250   140  1 011  N/A  N/A  52  54.1  <0.01  34  34.8  36  36.7  34   34.0   33  33.0
                  (N=1500) 150  1 119  N/A  N/A  44  49.2  <0.01  31  31.5  33  33.2  31  31.0  30  30.0
                         160  1 246  N/A  N/A  44  45.4  <0.01  29  29.0  30  30.5  28   28.0   28  28.0
                         200  1 577  N/A  N/A  50  53.5  <0.01  32  32.8  34  34.7  32   32.0   31  31.0
                   300   210  1 710  N/A  N/A  48  50.4  <0.01  30  30.8  32  32.3  30   30.0   29  29.0
                  (N=2000) 220 1 849  N/A  N/A  46  47.0  <0.01  28  28.5  29  29.9  27  27.3   27  27.0
                         230 1 990  N/A  N/A  41  43.7  <0.01  26  26.5  28  28.0  26    26.0   25  25.6
                         200  1 461  N/A  N/A  72  76.7  <0.01  49  49.8  51  51.8  46   46.3   45  45.0
                   350   210  1 555  N/A  N/A  69  73.2  <0.01  44  45.5  48  48.3  43   43.7   42  42.0
                  (N=2500) 220  1 668  N/A  N/A  65  69.1  <0.01  42  42.8  46  46.0  40  40.0  39  39.0
                         230  1 787  N/A  N/A  60  64.4  <0.01  40  40.8  43  43.3  39   39.0   38  38.0
                         210  1 522  N/A  N/A  90  94.4  <0.01  61  62.0  62  63.5  57   57.6   55  55.0
                   400   220  1 621  N/A  N/A  84  88.6  <0.01  59  59.2  61  61.2  55   55.1   53  53.0
                  (N=3000) 230  1 750  N/A  N/A  79  85.0  <0.01  54  55.2  56  57.0  51  51.7  50  50.0
                         240 1 880  N/A  N/A  77  80.1  <0.01  51  51.2  53  53.5  47    48.6   46  46.2
                       最小值         -   -     8    9.2  0.00  5   5.0    5   5.0    5     5.0    5    5.0
                       最大值         -   -     90  94.4  0.00  61  62.0  62   63.5   57    57.6   55  55.0
                       平均值         -   -    37.85 40.71  0.00  25.22 25.54  26.39 26.65  24.56  24.69  24.17 24.19
                       标准差         -   -    22.67 23.57  0.00  15.15 15.44  15.94 16.17  14.14  14.32  13.47 13.48
                 注: 加粗数值是对应算法找到的最优值
   239   240   241   242   243   244   245   246   247   248   249