The understanding of the run_time parameter.
I find the parameter of run_time in the hybrid cqm model a bit confusing. When I play around the examples, I find the real computing time can be very different from the run_time parameter. For example, in the 3d bin packing model provided, the run_time is set default to be 20 second, but as the number of box increases, the real run time can take minutes. Since the algorithm is heuristic based, shouldn't it just stop after 20 second? Why it keep running?
Comments
Hi Joshua,
I think that you are referring to the time_limit parameter for the CQM solver. Please correct me if I misunderstood.
You are right that the time_limit parameter specifies the maximum run time for which the solver is allowed to work on a given problem. However, the actual time between the problem submission and getting a result back might be more than that specified by the time_limit parameter. This is due to overhead time needed to instantiate the compute resources.
This delay does not contribute to the time charged to your account. You can find more information about the hybrid solver timing information here: https://docs.dwavesys.com/docs/latest/doc_leap_hybrid.html#solver-timing.
For a specific problem submission, you can also find the timing information on your Leap dashboard.
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