11e07b27eSBarry Smith 226bd1501SBarry Smith #ifndef PETSCPC_TELESCOPE_H 326bd1501SBarry Smith #define PETSCPC_TELESCOPE_H 41e07b27eSBarry Smith 51e07b27eSBarry Smith /* Telescope */ 6*9371c9d4SSatish Balay typedef enum { 7*9371c9d4SSatish Balay TELESCOPE_DEFAULT = 0, 8*9371c9d4SSatish Balay TELESCOPE_DMDA, 9*9371c9d4SSatish Balay TELESCOPE_DMPLEX, 10*9371c9d4SSatish Balay TELESCOPE_COARSEDM 11*9371c9d4SSatish Balay } PCTelescopeType; 121e07b27eSBarry Smith 131e07b27eSBarry Smith typedef struct _PC_Telescope *PC_Telescope; 141e07b27eSBarry Smith struct _PC_Telescope { 151e07b27eSBarry Smith PetscSubcomm psubcomm; 1648a10b22SPatrick Sanan PetscSubcommType subcommtype; 172a22aa42SDave May MPI_Comm subcomm; 181e07b27eSBarry Smith PetscInt redfactor; /* factor to reduce comm size by */ 191e07b27eSBarry Smith KSP ksp; 201e07b27eSBarry Smith IS isin; 211e07b27eSBarry Smith VecScatter scatter; 221e07b27eSBarry Smith Vec xred, yred, xtmp; 231e07b27eSBarry Smith Mat Bred; 248d9f7141SDave May PetscBool ignore_dm, ignore_kspcomputeoperators, use_coarse_dm; 251e07b27eSBarry Smith PCTelescopeType sr_type; 261e07b27eSBarry Smith void *dm_ctx; 271e07b27eSBarry Smith PetscErrorCode (*pctelescope_setup_type)(PC, PC_Telescope); 281e07b27eSBarry Smith PetscErrorCode (*pctelescope_matcreate_type)(PC, PC_Telescope, MatReuse, Mat *); 29392968a1SPatrick Sanan PetscErrorCode (*pctelescope_matnullspacecreate_type)(PC, PC_Telescope, Mat); 301e07b27eSBarry Smith PetscErrorCode (*pctelescope_reset_type)(PC); 31e3acf2f7SBarry Smith }; 321e07b27eSBarry Smith 331e07b27eSBarry Smith /* DMDA */ 341e07b27eSBarry Smith typedef struct { 351e07b27eSBarry Smith DM dmrepart; 361e07b27eSBarry Smith Mat permutation; 371e07b27eSBarry Smith Vec xp; 381e07b27eSBarry Smith PetscInt Mp_re, Np_re, Pp_re; 391e07b27eSBarry Smith PetscInt *range_i_re, *range_j_re, *range_k_re; 401e07b27eSBarry Smith PetscInt *start_i_re, *start_j_re, *start_k_re; 411e07b27eSBarry Smith } PC_Telescope_DMDACtx; 421e07b27eSBarry Smith 43*9371c9d4SSatish Balay static inline PetscBool PetscSubcomm_isActiveRank(PetscSubcomm scomm) { 4457f12427SDave May if (scomm->color == 0) return (PETSC_TRUE); 4557f12427SDave May else return (PETSC_FALSE); 4657f12427SDave May } 471e07b27eSBarry Smith 48*9371c9d4SSatish Balay static inline PetscBool PCTelescope_isActiveRank(PC_Telescope sred) { 4957f12427SDave May if (sred->psubcomm) return (PetscSubcomm_isActiveRank(sred->psubcomm)); 5057f12427SDave May else { 5157f12427SDave May if (sred->subcomm != MPI_COMM_NULL) return (PETSC_TRUE); 5257f12427SDave May else return (PETSC_FALSE); 5357f12427SDave May } 5457f12427SDave May } 551e07b27eSBarry Smith 561e07b27eSBarry Smith PetscErrorCode PCTelescopeSetUp_dmda(PC, PC_Telescope); 571e07b27eSBarry Smith PetscErrorCode PCTelescopeMatCreate_dmda(PC, PC_Telescope, MatReuse, Mat *); 58392968a1SPatrick Sanan PetscErrorCode PCTelescopeMatNullSpaceCreate_dmda(PC, PC_Telescope, Mat); 591e07b27eSBarry Smith PetscErrorCode PCApply_Telescope_dmda(PC, Vec, Vec); 608d9f7141SDave May PetscErrorCode PCApplyRichardson_Telescope_dmda(PC, Vec, Vec, Vec, PetscReal, PetscReal, PetscReal, PetscInt, PetscBool, PetscInt *, PCRichardsonConvergedReason *); 611e07b27eSBarry Smith PetscErrorCode PCReset_Telescope_dmda(PC); 628d9f7141SDave May PetscErrorCode PCTelescopeSetUp_CoarseDM(PC, PC_Telescope); 638d9f7141SDave May PetscErrorCode PCApply_Telescope_CoarseDM(PC, Vec, Vec); 648d9f7141SDave May PetscErrorCode PCTelescopeMatNullSpaceCreate_CoarseDM(PC, PC_Telescope, Mat); 658d9f7141SDave May PetscErrorCode PCReset_Telescope_CoarseDM(PC); 668d9f7141SDave May PetscErrorCode PCApplyRichardson_Telescope_CoarseDM(PC, Vec, Vec, Vec, PetscReal, PetscReal, PetscReal, PetscInt, PetscBool, PetscInt *, PCRichardsonConvergedReason *); 678ef9ca65SPatrick Sanan PetscErrorCode DMView_DA_Short(DM, PetscViewer); 681e07b27eSBarry Smith 691e07b27eSBarry Smith #endif 70