PCASMType#

Type of additive Schwarz method to use

Synopsis#

Values#

  • PC_ASM_BASIC - Symmetric version where residuals from the ghost points are used and computed values in ghost regions are added together. Classical standard additive Schwarz.

  • PC_ASM_RESTRICT - Residuals from ghost points are used but computed values in ghost region are discarded. Default.

  • PC_ASM_INTERPOLATE - Residuals from ghost points are not used, computed values in ghost region are added back in.

  • PC_ASM_NONE - Residuals from ghost points are not used, computed ghost values are discarded. Not very good.

See Also#

Preconditioners, PC, PCASM, PCASMSetType()

Level#

beginner

Location#

include/petscpctypes.h


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Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages