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Tag: python-multiprocessing

python multiprocessing.Array typing

When creating an array, I want to put it inside a dataclass, but I cannot find the type of the returned object. arr = multiprocessing.RawArray(“i”, 2) If I do: but multiprocessing.sharedctypes.c_long_Array_2 does not exists. How can I use type hints, e.g arr: the_type with multiprocessing Array? UPDATE Pycharm example when using typing ctypes.c_long * 2, there’s still a value attribute

`SolverResults Error` When Parallelising Pyomo Optimisations

I’m trying to optimise multiple linear programming problems in parallel using Pyomo and the standard Python multiprocessing library. When switching to using multi-processing I keep running into the error: ValueError: Cannot load a SolverResults object with bad status: error. A similar issue was reported in this question, where their problem seemed to be that the solver (n.b. they used cbc

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