工具的使用"/>
COPT6.0调优工具的使用
目前国产数学规划求解器COPT6.0已经正式发布,本次发布中来带了COPT中的自动参数调优 工具:TUNE,通过使用命令m.tune()就可以进行自动获得目前模型的较好的求解器参数设置。但是目前参数调优尚无法更加问题的规模和类型进行自动适配,也就是对于所有的MIP模型,其逻辑是一样的,没有更加MIP问题本身进行调优,据内部人员透露,这个是后面的研发方向。
参数设置:
本人测试了一下:获得了一下的日志,可以看出求解器COPT建议的参数设置:LpMethod == 1
Starting improvement run with 1 permutations and TuneTimeLimit=1sTune mode: solving time (baseline: 0.007s)
Tune method: greedy search
Tune measure: average------------------------------------------------------------------------------Try trial parameter set 0 ...Tune parameters:LpMethod 1Solving the 0-th permutation with seed #0 ...
Solving finished, solving time: 0.001sTrial summary:Found improved settings, solving time 0.001sTarget solving time (0.010s) has reached------------------------------------------------------------------------------Improvement run finished (0.002s)Tuner summary: Found 1 improved parameter settings with 1 trialsBaseline parameter setting:
Tune measure: solving time 0.007s
Default parameter settingsImproved parameter setting 0:
Tune measure: solving time 0.001s
Tune parameters:LpMethod 1Tuning computation finished (0.024s)
Model fingerprint: a34f6f73
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COPT6.0调优工具的使用
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