Gurobi performance on virtual machines
AnsweredIs there any kind of data available about the performance penalties incurred when running Gurobi on a virtual machine with a type 1 hypervisor? Whatever the kind of virtualization, I suppose there are always some performance penalties to be paid when running in a guest OS of a virtual machine and (although my understanding is very rough) it seems that certain kinds of CPU instructions pay a penalty higher than others.
Do you know how these penalties affect Gurobi performance if compared to the execution on the same bare-metal machine (i.e. without virtualization layers)?
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Gurobi Staff
Hi Lorenzo,
We have not yet done extensive performance comparisons of bare-metal vs. virtual machines. This can be tough since there are several different type 1 hypervisors and corresponding OSs.
There is a post that discusses performance differences between Windows and WSL2 in the same system. But this is probably not what you are searching for since WSL2 works on a type 2 hypervisor.
Best regards,
Mario0 -
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Thank you, that post is still interesting.
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