1 #if !defined(PETSCLANDAU_H) 2 #define PETSCLANDAU_H 3 4 #include <petscdmplex.h> /*I "petscdmplex.h" I*/ 5 #include <petscts.h> 6 7 PETSC_EXTERN PetscErrorCode DMPlexLandauPrintNorms(Vec, PetscInt); 8 PETSC_EXTERN PetscErrorCode DMPlexLandauCreateVelocitySpace(MPI_Comm,PetscInt,const char[],Vec*,Mat*,DM*); 9 PETSC_EXTERN PetscErrorCode DMPlexLandauDestroyVelocitySpace(DM*); 10 PETSC_EXTERN PetscErrorCode DMPlexLandauAddMaxwellians(DM, Vec, PetscReal, PetscReal[], PetscReal[], PetscInt, PetscInt, void *); 11 PETSC_EXTERN PetscErrorCode DMPlexLandauCreateMassMatrix(DM dm, Mat *Amat); 12 PETSC_EXTERN PetscErrorCode DMPlexLandauIFunction(TS, PetscReal,Vec,Vec,Vec,void *); 13 PETSC_EXTERN PetscErrorCode DMPlexLandauIJacobian(TS, PetscReal,Vec,Vec,PetscReal,Mat,Mat,void *); 14 15 typedef int LandauIdx; 16 17 /* the Fokker-Planck-Landau context */ 18 #if !defined(LANDAU_MAX_SPECIES) 19 #if defined(PETSC_USE_DMLANDAU_2D) 20 #define LANDAU_MAX_SPECIES 10 21 #define LANDAU_MAX_GRIDS 3 22 #else 23 #define LANDAU_MAX_SPECIES 3 24 #define LANDAU_MAX_GRIDS 3 25 #endif 26 #else 27 #define LANDAU_MAX_GRIDS 3 28 #endif 29 30 #if !defined(LANDAU_MAX_Q) 31 #if defined(LANDAU_MAX_NQ) 32 #error"LANDAU_MAX_NQ but not LANDAU_MAX_Q. Use -DLANDAU_MAX_Q=4 for Q3 elements" 33 #endif 34 #if defined(PETSC_USE_DMLANDAU_2D) 35 #define LANDAU_MAX_Q 5 36 #else 37 #define LANDAU_MAX_Q 3 38 #endif 39 #else 40 #undef LANDAU_MAX_NQ 41 #endif 42 43 #if defined(PETSC_USE_DMLANDAU_2D) 44 #define LANDAU_MAX_Q_FACE LANDAU_MAX_Q 45 #define LANDAU_MAX_NQ (LANDAU_MAX_Q*LANDAU_MAX_Q) 46 #define LANDAU_MAX_BATCH_SZ 320 47 #define LANDAU_DIM 2 48 #else 49 #define LANDAU_MAX_Q_FACE (LANDAU_MAX_Q*LANDAU_MAX_Q) 50 #define LANDAU_MAX_NQ (LANDAU_MAX_Q*LANDAU_MAX_Q*LANDAU_MAX_Q) 51 #define LANDAU_MAX_BATCH_SZ 32 52 #define LANDAU_DIM 3 53 #endif 54 55 typedef enum {LANDAU_CUDA, LANDAU_KOKKOS, LANDAU_CPU} LandauDeviceType; 56 57 // static data - will be "device" data 58 typedef struct { 59 void *invJ; // nip*dim*dim 60 void *D; // nq*nb*dim 61 void *B; // nq*nb 62 void *alpha; // ns 63 void *beta; // ns 64 void *invMass; // ns 65 void *w; // nip 66 void *x; // nip 67 void *y; // nip 68 void *z; // nip 69 void *Eq_m; // ns - dynamic 70 void *f; // nip*Nf - dynamic (IP) 71 void *dfdx; // nip*Nf - dynamic (IP) 72 void *dfdy; // nip*Nf - dynamic (IP) 73 void *dfdz; // nip*Nf - dynamic (IP) 74 int dim_,ns_,nip_,nq_,nb_; 75 void *NCells; // remove and ise elem_offset - TODO 76 void *species_offset; // for each grid, but same for all batched vertices 77 void *mat_offset; // for each grid, but same for all batched vertices 78 void *elem_offset; // for each grid, but same for all batched vertices 79 void *ip_offset; // for each grid, but same for all batched vertices 80 void *ipf_offset; // for each grid, but same for all batched vertices 81 void *ipfdf_data; // for each grid, but same for all batched vertices 82 void *maps; // for each grid, but same for all batched vertices 83 // COO 84 void *coo_elem_offsets; 85 void *coo_elem_point_offsets; 86 void *coo_elem_fullNb; 87 LandauIdx coo_n_cellsTot; 88 LandauIdx coo_size; 89 LandauIdx coo_max_fullnb; 90 } LandauStaticData; 91 92 typedef enum {LANDAU_EX2_TSSOLVE, LANDAU_MATRIX_TOTAL, LANDAU_OPERATOR, LANDAU_JACOBIAN_COUNT, LANDAU_JACOBIAN, LANDAU_MASS, LANDAU_F_DF, LANDAU_KERNEL, KSP_FACTOR, KSP_SOLVE, LANDAU_NUM_TIMERS} LandauOMPTimers; 93 94 typedef struct { 95 PetscBool interpolate; /* Generate intermediate mesh elements */ 96 PetscBool gpu_assembly; 97 MPI_Comm comm; /* global communicator to use for errors and diagnostics */ 98 double times[LANDAU_NUM_TIMERS]; 99 PetscBool use_matrix_mass; 100 /* FE */ 101 PetscFE fe[LANDAU_MAX_SPECIES]; 102 /* geometry */ 103 PetscReal radius[LANDAU_MAX_GRIDS]; 104 PetscReal re_radius; /* RE: radius of refinement along v_perp=0, z>0 */ 105 PetscReal vperp0_radius1; /* RE: radius of refinement along v_perp=0 */ 106 PetscReal vperp0_radius2; /* RE: radius of refinement along v_perp=0 after origin AMR refinement */ 107 PetscBool sphere; // not used 108 PetscBool inflate; // not used 109 PetscReal i_radius[LANDAU_MAX_GRIDS]; // not used 110 PetscReal e_radius; // not used 111 PetscInt num_sections; // not used 112 /* AMR */ 113 PetscBool use_p4est; 114 PetscInt numRERefine; /* RE: refinement along v_perp=0, z > 0 */ 115 PetscInt nZRefine1; /* RE: origin refinement after v_perp=0 refinement */ 116 PetscInt nZRefine2; /* RE: origin refinement after origin AMR refinement */ 117 PetscInt numAMRRefine[LANDAU_MAX_GRIDS]; /* normal AMR - refine from origin */ 118 PetscInt postAMRRefine[LANDAU_MAX_GRIDS]; /* uniform refinement of AMR */ 119 /* relativistic */ 120 PetscBool use_energy_tensor_trick; 121 PetscBool use_relativistic_corrections; 122 /* physics */ 123 PetscReal thermal_temps[LANDAU_MAX_SPECIES]; 124 PetscReal masses[LANDAU_MAX_SPECIES]; /* mass of each species */ 125 PetscReal charges[LANDAU_MAX_SPECIES]; /* charge of each species */ 126 PetscReal n[LANDAU_MAX_SPECIES]; /* number density of each species */ 127 PetscReal m_0; /* reference mass */ 128 PetscReal v_0; /* reference velocity */ 129 PetscReal n_0; /* reference number density */ 130 PetscReal t_0; /* reference time */ 131 PetscReal Ez; 132 PetscReal epsilon0; 133 PetscReal k; 134 PetscReal lnLam; 135 PetscReal electronShift; 136 PetscInt num_species; 137 PetscInt num_grids; 138 PetscInt species_offset[LANDAU_MAX_GRIDS+1]; // for each grid, but same for all batched vertices 139 PetscInt mat_offset[LANDAU_MAX_GRIDS+1]; // for each grid, but same for all batched vertices 140 // batching 141 PetscBool jacobian_field_major_order; // this could be a type but lets not get pedantic 142 VecScatter plex_batch; 143 Vec work_vec; 144 IS batch_is; 145 PetscErrorCode (*seqaij_mult)(Mat,Vec,Vec); 146 PetscErrorCode (*seqaij_multtranspose)(Mat,Vec,Vec); 147 PetscErrorCode (*seqaij_solve)(Mat,Vec,Vec); 148 PetscErrorCode (*seqaij_getdiagonal)(Mat,Vec); 149 /* COO */ 150 PetscBool coo_assembly; 151 /* cache */ 152 Mat J; 153 Mat M; 154 Vec X; 155 /* derived type */ 156 void *data; 157 /* computing */ 158 LandauDeviceType deviceType; 159 DM pack; 160 DM plex[LANDAU_MAX_GRIDS]; 161 LandauStaticData SData_d; /* static geometric data on device */ 162 /* diagnostics */ 163 PetscInt verbose; 164 PetscLogEvent events[20]; 165 PetscLogStage stage; 166 PetscObjectState norm_state; 167 PetscInt batch_sz; 168 PetscInt batch_view_idx; 169 } LandauCtx; 170 171 #define LANDAU_SPECIES_MAJOR 172 #if !defined(LANDAU_SPECIES_MAJOR) 173 #define LAND_PACK_IDX(_b,_g) (_b*ctx->num_grids + _g) 174 #define LAND_MOFFSET(_b,_g,_nbch,_ngrid,_mat_off) (_b*_mat_off[_ngrid] + _mat_off[_g]) 175 #else 176 #define LAND_PACK_IDX(_b,_g) (_g*ctx->batch_sz + _b) 177 #define LAND_MOFFSET(_b,_g,_nbch,_ngrid,_mat_off) (_nbch*_mat_off[_g] + _b*(_mat_off[_g+1] - _mat_off[_g])) 178 #endif 179 180 typedef struct { 181 PetscReal scale; 182 LandauIdx gid; // Landau matrix index (<10,000) 183 } pointInterpolationP4est; 184 typedef struct _lP4estVertexMaps { 185 LandauIdx (*gIdx)[LANDAU_MAX_SPECIES][LANDAU_MAX_NQ]; // #elems * LANDAU_MAX_NQ (spoof for max , Nb) on device, 186 LandauIdx num_elements; 187 LandauIdx num_reduced; 188 LandauIdx num_face; // (Q or Q^2 for 3D) 189 LandauDeviceType deviceType; 190 PetscInt Nf; 191 pointInterpolationP4est (*c_maps)[LANDAU_MAX_Q_FACE]; 192 struct _lP4estVertexMaps*d_self; 193 void *vp1,*vp2,*vp3; 194 PetscInt numgrids; 195 } P4estVertexMaps; 196 197 PETSC_EXTERN PetscErrorCode LandauCreateColoring(Mat, DM, PetscContainer *); 198 #if defined(PETSC_HAVE_CUDA) 199 PETSC_EXTERN PetscErrorCode LandauCUDAJacobian(DM[], const PetscInt, const PetscInt, const PetscInt, const PetscInt[], PetscReal[], PetscScalar[], const PetscScalar[], 200 const LandauStaticData *, const PetscReal, const PetscLogEvent[],const PetscInt[], const PetscInt[], Mat[], Mat); 201 PETSC_EXTERN PetscErrorCode LandauCUDACreateMatMaps(P4estVertexMaps *, pointInterpolationP4est (*)[LANDAU_MAX_Q_FACE], PetscInt[], PetscInt, PetscInt); 202 PETSC_EXTERN PetscErrorCode LandauCUDADestroyMatMaps(P4estVertexMaps *, PetscInt); 203 PETSC_EXTERN PetscErrorCode LandauCUDAStaticDataSet(DM, const PetscInt, const PetscInt, const PetscInt, PetscInt[], PetscInt[], PetscInt[], PetscReal [], PetscReal [], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], 204 PetscReal[], LandauStaticData *); 205 PETSC_EXTERN PetscErrorCode LandauCUDAStaticDataClear(LandauStaticData *); 206 #endif 207 #if defined(PETSC_HAVE_KOKKOS) 208 PETSC_EXTERN PetscErrorCode LandauKokkosJacobian(DM[], const PetscInt, const PetscInt, const PetscInt, const PetscInt[], PetscReal[], PetscScalar[], const PetscScalar[], 209 const LandauStaticData *, const PetscReal, const PetscLogEvent[], const PetscInt[], const PetscInt[], Mat[], Mat); 210 PETSC_EXTERN PetscErrorCode LandauKokkosCreateMatMaps(P4estVertexMaps *, pointInterpolationP4est (*)[LANDAU_MAX_Q_FACE], PetscInt[], PetscInt, PetscInt); 211 PETSC_EXTERN PetscErrorCode LandauKokkosDestroyMatMaps(P4estVertexMaps *, PetscInt); 212 PETSC_EXTERN PetscErrorCode LandauKokkosStaticDataSet(DM, const PetscInt, const PetscInt, const PetscInt, PetscInt[], PetscInt[], PetscInt[], PetscReal [], PetscReal [], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], 213 PetscReal[], LandauStaticData *); 214 PETSC_EXTERN PetscErrorCode LandauKokkosStaticDataClear(LandauStaticData*); 215 #endif 216 217 #endif /* PETSCLANDAU_H */ 218