Tushar Rathi

Gurobi-versary
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Activity overview

Latest activity by Tushar Rathi

  • Tushar Rathi created a post,

    Suboptimal solution using Barrier

    Answered
    1. Community
    2. Other

    I see that the barrier method reports suboptimal solutions for some of the linear programming problems I am trying to solve. Following is the log for one of them: Set parameter Method to value 2Set...

    • Tushar Rathi
    • Edited
    • 4 followers
    • 1 comment
    • 0 votes

  • Tushar Rathi commented,

    1. Community
    2. Modeling
    3. Specifying threads to be utilized on a remote machine

    Perfect, that makes things clearer! Thanks Eli Towle.

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    • Tushar Rathi
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  • Tushar Rathi commented,

    1. Community
    2. Modeling
    3. Specifying threads to be utilized on a remote machine

    Thanks Eli Towle for the clarification! I have some follow-up questions: If I set the Threads parameter to 10, I assume it sets an upper limit on how many threads/cores (if single-threaded) Gurobi...

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    • Tushar Rathi
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  • Tushar Rathi commented,

    1. Community
    2. Modeling
    3. Specifying threads to be utilized on a remote machine

    Jaromił Najman, any help/clarifications on this are appreciated. Thanks :)

  • Tushar Rathi commented,

    1. Community
    2. Modeling
    3. Specifying threads to be utilized on a remote machine

    However, if I only make 10 cores available and Gurobi's default setting of 0 for Threads parameter imposes a limit of 32 cores (which are obviously not available), then it should automatically util...

  • Tushar Rathi created a post,

    Specifying threads to be utilized on a remote machine

    Answered
    1. Community
    2. Modeling

    I am trying to run an optimization problem on a HPC cluster. The machine I requested has 24 cores and 1 thread per core. I don't intend to utilize all 24 cores, so I requested the machine using Slu...

    • Tushar Rathi
    • Edited
    • 4 followers
    • 8 comments
    • 0 votes

  • Tushar Rathi commented,

    1. Community
    2. Modeling
    3. Question about solution pool

    So, if I understand correctly, there could be two solutions in the solution pool for which all the binary variables take the same values, but some of the continuous variables may take slightly diff...

  • Tushar Rathi created a post,

    Question about solution pool

    Answered
    1. Community
    2. Modeling

    Hi, I am trying to use solution pool to obtain `n` best solutions by setting the PoolSearchMode = 2. I have some binary and some continuous variables in my model. Assuming, there exist at least `n`...

    • Tushar Rathi
    • Edited
    • 3 followers
    • 3 comments
    • 0 votes

  • Tushar Rathi commented,

    1. Community
    2. Programming
    3. Slow MIP performance

    Thanks Jaromił. I will check the parameters you mentioned and the talk too.

  • Tushar Rathi commented,

    1. Community
    2. Programming
    3. Slow MIP performance

    Hi Jaromił, Thanks for the reply. I want to add some more comments and things I tried: 1. My model does have constraints other than the SOS constraints too. Somehow, the line showing the model size...

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    • Tushar Rathi
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