zhang David

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Latest activity by zhang David

  • zhang David created a post,

    How to use all cores of the machine

    Answered
    1. Community
    2. Systems

    Hi Gurobi  Experts,   when i use gurobi 9.5, i see below message. I want to use all cores of the machine.  How sould i do?   Thanks, David   2024-03-21 13:36:10,718 - INFO - Note: NumExpr detected ...

    • zhang David
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  • zhang David commented,

    1. Community
    2. Modeling
    3. The model converges slowly

    Hi  Michel Soares Thanks for your  suggestion. i tried the longer execution time, for example time_limit = 10000s,  below is th the part of the log.  The gap does not reduce.   2024-03-06 12:18:56,...

  • zhang David created a post,

    The model converges slowly

    Answered
    1. Community
    2. Modeling

    Hi Gurobi experts, i met some performance issue when i used gurobi 9.5 to solve the MIP model. below is the solver log.     Set parameter MIPGap to value 0.012024-03-05 13:42:56,763 - INFO - Set pa...

    • zhang David
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