While the cuts added by ILOG CPLEX reduce runtime for most problems, on occasion they can have the opposite effect. If you notice, for example, that ILOG CPLEX adds a large number of cuts at the root, but the objective value does not change significantly, then you may want to experiment with turning off cuts.
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In the Interactive Optimizer, you can turn cuts off selectively (
set mip cuts covers -1) or all at once (set mip cuts all -1).
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In the Component Libraries, you can set the parameters that control classes of cuts. The parameters are listed in Table 13.8.
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