Minimizer Iterations

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    • #3587
      Anonymous

        Hello,

        Is there a way to retrieve the number of iterations performed by a min mover, either from the mover itself or from the log trace ?

        For example with the following code, how could I find out if it stopped at 500 iterations or reached the tolerance threshold earlier?


        import pyrosetta
        import logging
        pyrosetta.init(
        "-out:levels all:500 -ignore_unrecognized_res 1 -ex1 -ex2aro "
        "-constant_seed -jran 1111111 -ignore_zero_occupancy false")
        pyrosetta.logging_support.set_logging_sink()
        rosetta_logger = logging.getLogger("rosetta")
        rosetta_logger.setLevel(logging.DEBUG)
        scorefxn = pyrosetta.create_score_function("ref2015_cart.wts")
        pose = pyrosetta.toolbox.pose_from_rcsb("5LXR")
        min_mover = pyrosetta.rosetta.protocols.minimization_packing.MinMover()
        move_map = pyrosetta.MoveMap()
        move_map.set_bb(True)
        move_map.set_chi(True)
        move_map.set_jump(False)
        min_mover.movemap(move_map)
        min_mover.max_iter(500)
        min_mover.min_type("lbfgs_armijo_nonmonotone")
        min_mover.tolerance(1.)
        min_mover.score_function(scorefxn)
        min_mover.cartesian(True)
        min_mover.apply(pose)

        I am using PyRosetta 4 Release 2020.02

        Many thanks !

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