msx5423
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Latest activity by msx5423-
msx5423 commented,
I have another question related to this, is there a way to programmatically identify if a solution has violated the tolerances ? Perhaps identifying if there is a log statement printed like "Warni...
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msx5423 commented,
I see this in the compute server documentation, The one scenario you may need to guard against is the situation where you lose the connection to the server while the portion of your program that ...
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msx5423 created a post,
Transient errors in compute server jobs
AnsweredWe are using Gurobi Compute Server with cluster manager, and the client is a python application. Every now and then, some jobs randomly fail with one of the below two errors: 1. ERROR_CSWORKER = 1...
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msx5423 commented,
Thank you both, this is very helpful. Both the IntegralityFocus and Aggregate parameters seem promising, I will reach out if I need more help.
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msx5423 commented,
Thanks for the prompt response Maliheh ! A violation of 3.29e-06 is fine for us but the problem is the solution of this solve is passed on to a subsequent solve with some of these variable values f...
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msx5423 created a post,
How to interpret IntFeasTol ?
OngoingWe are solving a model with the following settings OptimalityTol = 1e-06, default FeasibilityTol = 1e-05 IntFeasTol = 1e-06 The model is solved but there is a warning about max integrality violati...
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msx5423 created a post,
Runtime in a callback ?
AnsweredIs it possible to call/access the Runtime object during a solve in a callback ? https://www.gurobi.com/documentation/9.5/refman/runtime.html
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msx5423 created a post,
When are MIP callbacks executed ?
AnsweredThree questions regarding callbacks -1. When do MIP callbacks with ``where = 3`` first executed ? The documentation says "in MIP" but what does that mean exactly, as there are different phases in a...
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msx5423 commented,
Something like this would immensely help our workflow too. We have different applications using Gurobi Compute Server but some of them run with 1 or 2 threads and others run with 8 / 16 threads. We...
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msx5423 created a post,
How does Gurobi Compute Server allocate memory to different jobs ?
AnsweredOne can configure the max number of concurrent jobs using JobLimit and the number of threads allowed for each job is controlled by the Threads parameter. Does GCS also control the memory allocated...