| -pc_ml_PrintLevel <0> | - Print level (ML_Set_PrintLevel)
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| -pc_ml_maxNlevels <10> | - Maximum number of levels (None)
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| -pc_ml_maxCoarseSize <1> | - Maximum coarsest mesh size (ML_Aggregate_Set_MaxCoarseSize)
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| -pc_ml_CoarsenScheme <Uncoupled> | - (one of) Uncoupled Coupled MIS METIS
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| -pc_ml_DampingFactor <1.33333> | - P damping factor (ML_Aggregate_Set_DampingFactor)
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| -pc_ml_Threshold <0> | - Smoother drop tol (ML_Aggregate_Set_Threshold)
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| -pc_ml_SpectralNormScheme_Anorm <false> | - Method used for estimating spectral radius (ML_Set_SpectralNormScheme_Anorm)
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| -pc_ml_repartition <false> | - Allow ML to repartition levels of the heirarchy (ML_Repartition_Activate)
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| -pc_ml_repartitionMaxMinRatio <1.3> | - Acceptable ratio of repartitioned sizes (ML_Repartition_Set_LargestMinMaxRatio)
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| -pc_ml_repartitionMinPerProc <512>: Smallest repartitioned size (ML_Repartition_Set_MinPerProc) |
| -pc_ml_repartitionPutOnSingleProc <5000> | - Problem size automatically repartitioned to one processor (ML_Repartition_Set_PutOnSingleProc)
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| -pc_ml_repartitionType <Zoltan> | - Repartitioning library to use (ML_Repartition_Set_Partitioner)
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| -pc_ml_repartitionZoltanScheme <RCB> | - Repartitioning scheme to use (None)
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| -pc_ml_Aux <false> | - Aggregate using auxiliary coordinate-based laplacian (None)
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| -pc_ml_AuxThreshold <0.0> | - Auxiliary smoother drop tol (None)
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