| -pc_mg_cycles <1>: 1 for V cycle, 2 for W | - cycle (MGSetCycles)
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| -pc_mg_distinct_smoothup: Should one configure the up and down smoothers separately (PCMGSetDistinctSmoothUp) | - - -pc_mg_type <multiplicative>: (one of) additive multiplicative full kascade
ML options:
+ -pc_ml_PrintLevel <0>: Print level (ML_Set_PrintLevel)
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| -pc_ml_maxNlevels <10>: Maximum number of levels (None) | - . -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 | - . -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) | - . -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) | - . -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) | - . -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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