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 DMPlexLandauAddToFunction(DM, Vec, PetscErrorCode (*)(DM, Vec, PetscInt, PetscInt, PetscInt, void *), void *); 11 PETSC_EXTERN PetscErrorCode DMPlexLandauAddMaxwellians(DM, Vec, PetscReal, PetscReal[], PetscReal[], PetscInt, PetscInt, PetscInt, void *); 12 PETSC_EXTERN PetscErrorCode DMPlexLandauCreateMassMatrix(DM dm, Mat *Amat); 13 PETSC_EXTERN PetscErrorCode DMPlexLandauIFunction(TS, PetscReal, Vec, Vec, Vec, void *); 14 PETSC_EXTERN PetscErrorCode DMPlexLandauIJacobian(TS, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *); 15 16 typedef int LandauIdx; 17 18 /* the Fokker-Planck-Landau context */ 19 #if !defined(LANDAU_MAX_SPECIES) 20 #if defined(PETSC_USE_DMLANDAU_2D) 21 #define LANDAU_MAX_SPECIES 10 22 #define LANDAU_MAX_GRIDS 3 23 #else 24 #define LANDAU_MAX_SPECIES 10 25 #define LANDAU_MAX_GRIDS 3 26 #endif 27 #else 28 #define LANDAU_MAX_GRIDS 3 29 #endif 30 31 #if !defined(LANDAU_MAX_Q) 32 #if defined(LANDAU_MAX_NQ) 33 #error "LANDAU_MAX_NQ but not LANDAU_MAX_Q. Use -DLANDAU_MAX_Q=4 for Q3 elements" 34 #endif 35 #if defined(PETSC_USE_DMLANDAU_2D) 36 #define LANDAU_MAX_Q 5 37 #else 38 // 3D CUDA fails with > 3 (KK-CUDA is OK) 39 #define LANDAU_MAX_Q 3 40 #endif 41 #else 42 #undef LANDAU_MAX_NQ 43 #endif 44 45 #if defined(PETSC_USE_DMLANDAU_2D) 46 #define LANDAU_MAX_Q_FACE LANDAU_MAX_Q 47 #define LANDAU_MAX_NQ (LANDAU_MAX_Q * LANDAU_MAX_Q) 48 #define LANDAU_MAX_BATCH_SZ 1024 49 #define LANDAU_DIM 2 50 #else 51 #define LANDAU_MAX_Q_FACE (LANDAU_MAX_Q * LANDAU_MAX_Q) 52 #define LANDAU_MAX_NQ (LANDAU_MAX_Q * LANDAU_MAX_Q * LANDAU_MAX_Q) 53 #define LANDAU_MAX_BATCH_SZ 64 54 #define LANDAU_DIM 3 55 #endif 56 57 typedef enum { 58 LANDAU_CUDA, 59 LANDAU_KOKKOS, 60 LANDAU_CPU 61 } LandauDeviceType; 62 63 // static data - will be "device" data 64 typedef struct { 65 void *invJ; // nip*dim*dim 66 void *D; // nq*nb*dim 67 void *B; // nq*nb 68 void *alpha; // ns 69 void *beta; // ns 70 void *invMass; // ns 71 void *w; // nip 72 void *x; // nip 73 void *y; // nip 74 void *z; // nip 75 void *Eq_m; // ns - dynamic 76 void *f; // nip*Nf - dynamic (IP) 77 void *dfdx; // nip*Nf - dynamic (IP) 78 void *dfdy; // nip*Nf - dynamic (IP) 79 void *dfdz; // nip*Nf - dynamic (IP) 80 int dim_, ns_, nip_, nq_, nb_; 81 void *NCells; // remove and ise elem_offset - TODO 82 void *species_offset; // for each grid, but same for all batched vertices 83 void *mat_offset; // for each grid, but same for all batched vertices 84 void *elem_offset; // for each grid, but same for all batched vertices 85 void *ip_offset; // for each grid, but same for all batched vertices 86 void *ipf_offset; // for each grid, but same for all batched vertices 87 void *ipfdf_data; // for each grid, but same for all batched vertices 88 void *maps; // for each grid, but same for all batched vertices 89 // COO 90 void *coo_elem_offsets; 91 void *coo_elem_point_offsets; 92 void *coo_elem_fullNb; 93 void *coo_vals; 94 LandauIdx coo_n_cellsTot; 95 LandauIdx coo_size; 96 LandauIdx coo_max_fullnb; 97 } LandauStaticData; 98 99 typedef enum { 100 LANDAU_EX2_TSSOLVE, 101 LANDAU_MATRIX_TOTAL, 102 LANDAU_OPERATOR, 103 LANDAU_JACOBIAN_COUNT, 104 LANDAU_JACOBIAN, 105 LANDAU_MASS, 106 LANDAU_F_DF, 107 LANDAU_KERNEL, 108 KSP_FACTOR, 109 KSP_SOLVE, 110 LANDAU_NUM_TIMERS 111 } LandauOMPTimers; 112 113 typedef struct { 114 PetscBool interpolate; /* Generate intermediate mesh elements */ 115 PetscBool gpu_assembly; 116 MPI_Comm comm; /* global communicator to use for errors and diagnostics */ 117 double times[LANDAU_NUM_TIMERS]; 118 PetscBool use_matrix_mass; 119 /* FE */ 120 PetscFE fe[LANDAU_MAX_SPECIES]; 121 /* geometry */ 122 PetscReal radius[LANDAU_MAX_GRIDS]; 123 PetscReal re_radius; /* RE: radius of refinement along v_perp=0, z>0 */ 124 PetscReal vperp0_radius1; /* RE: radius of refinement along v_perp=0 */ 125 PetscReal vperp0_radius2; /* RE: radius of refinement along v_perp=0 after origin AMR refinement */ 126 PetscBool sphere; // not used 127 PetscBool inflate; // not used 128 PetscReal i_radius[LANDAU_MAX_GRIDS]; // not used 129 PetscReal e_radius; // not used 130 PetscInt num_sections; // not used 131 /* AMR */ 132 PetscBool use_p4est; 133 PetscInt numRERefine; /* RE: refinement along v_perp=0, z > 0 */ 134 PetscInt nZRefine1; /* RE: origin refinement after v_perp=0 refinement */ 135 PetscInt nZRefine2; /* RE: origin refinement after origin AMR refinement */ 136 PetscInt numAMRRefine[LANDAU_MAX_GRIDS]; /* normal AMR - refine from origin */ 137 PetscInt postAMRRefine[LANDAU_MAX_GRIDS]; /* uniform refinement of AMR */ 138 /* relativistic */ 139 PetscBool use_energy_tensor_trick; 140 PetscBool use_relativistic_corrections; 141 /* physics */ 142 PetscReal thermal_temps[LANDAU_MAX_SPECIES]; 143 PetscReal masses[LANDAU_MAX_SPECIES]; /* mass of each species */ 144 PetscReal charges[LANDAU_MAX_SPECIES]; /* charge of each species */ 145 PetscReal n[LANDAU_MAX_SPECIES]; /* number density of each species */ 146 PetscReal m_0; /* reference mass */ 147 PetscReal v_0; /* reference velocity */ 148 PetscReal n_0; /* reference number density */ 149 PetscReal t_0; /* reference time */ 150 PetscReal Ez; 151 PetscReal epsilon0; 152 PetscReal k; 153 PetscReal lnLam; 154 PetscReal electronShift; 155 PetscInt num_species; 156 PetscInt num_grids; 157 PetscInt species_offset[LANDAU_MAX_GRIDS + 1]; // for each grid, but same for all batched vertices 158 PetscInt mat_offset[LANDAU_MAX_GRIDS + 1]; // for each grid, but same for all batched vertices 159 // batching 160 PetscBool jacobian_field_major_order; // this could be a type but lets not get pedantic 161 VecScatter plex_batch; 162 Vec work_vec; 163 IS batch_is; 164 PetscErrorCode (*seqaij_mult)(Mat, Vec, Vec); 165 PetscErrorCode (*seqaij_multtranspose)(Mat, Vec, Vec); 166 PetscErrorCode (*seqaij_solve)(Mat, Vec, Vec); 167 PetscErrorCode (*seqaij_getdiagonal)(Mat, Vec); 168 /* COO */ 169 PetscBool coo_assembly; 170 /* cache */ 171 Mat J; 172 Mat M; 173 Vec X; 174 /* derived type */ 175 void *data; 176 /* computing */ 177 LandauDeviceType deviceType; 178 DM pack; 179 DM plex[LANDAU_MAX_GRIDS]; 180 LandauStaticData SData_d; /* static geometric data on device */ 181 /* diagnostics */ 182 PetscInt verbose; 183 PetscLogEvent events[20]; 184 PetscLogStage stage; 185 PetscObjectState norm_state; 186 PetscInt batch_sz; 187 PetscInt batch_view_idx; 188 } LandauCtx; 189 190 #define LANDAU_SPECIES_MAJOR 191 #if !defined(LANDAU_SPECIES_MAJOR) 192 #define LAND_PACK_IDX(_b, _g) (_b * ctx->num_grids + _g) 193 #define LAND_MOFFSET(_b, _g, _nbch, _ngrid, _mat_off) (_b * _mat_off[_ngrid] + _mat_off[_g]) 194 #else 195 #define LAND_PACK_IDX(_b, _g) (_g * ctx->batch_sz + _b) 196 #define LAND_MOFFSET(_b, _g, _nbch, _ngrid, _mat_off) (_nbch * _mat_off[_g] + _b * (_mat_off[_g + 1] - _mat_off[_g])) 197 #endif 198 199 typedef struct { 200 PetscReal scale; 201 LandauIdx gid; // Landau matrix index (<10,000) 202 } pointInterpolationP4est; 203 typedef struct _lP4estVertexMaps { 204 LandauIdx (*gIdx)[LANDAU_MAX_SPECIES][LANDAU_MAX_NQ]; // #elems * LANDAU_MAX_NQ (spoof for max , Nb) on device, 205 LandauIdx num_elements; 206 LandauIdx num_reduced; 207 LandauIdx num_face; // (Q or Q^2 for 3D) 208 LandauDeviceType deviceType; 209 PetscInt Nf; 210 pointInterpolationP4est (*c_maps)[LANDAU_MAX_Q_FACE]; 211 struct _lP4estVertexMaps *d_self; 212 void *vp1, *vp2, *vp3; 213 PetscInt numgrids; 214 } P4estVertexMaps; 215 216 PETSC_EXTERN PetscErrorCode LandauCreateColoring(Mat, DM, PetscContainer *); 217 #if defined(PETSC_HAVE_CUDA) 218 PETSC_EXTERN PetscErrorCode LandauCUDAJacobian(DM[], const PetscInt, const PetscInt, const PetscInt, const PetscInt[], PetscReal[], PetscScalar[], const PetscScalar[], const LandauStaticData *, const PetscReal, const PetscLogEvent[], const PetscInt[], const PetscInt[], Mat[], Mat); 219 PETSC_EXTERN PetscErrorCode LandauCUDACreateMatMaps(P4estVertexMaps *, pointInterpolationP4est (*)[LANDAU_MAX_Q_FACE], PetscInt[], PetscInt, PetscInt); 220 PETSC_EXTERN PetscErrorCode LandauCUDADestroyMatMaps(P4estVertexMaps *, PetscInt); 221 PETSC_EXTERN PetscErrorCode LandauCUDAStaticDataSet(DM, const PetscInt, const PetscInt, const PetscInt, PetscInt[], PetscInt[], PetscInt[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], LandauStaticData *); 222 PETSC_EXTERN PetscErrorCode LandauCUDAStaticDataClear(LandauStaticData *); 223 #endif 224 #if defined(PETSC_HAVE_KOKKOS) 225 PETSC_EXTERN PetscErrorCode LandauKokkosJacobian(DM[], const PetscInt, const PetscInt, const PetscInt, const PetscInt[], PetscReal[], PetscScalar[], const PetscScalar[], const LandauStaticData *, const PetscReal, const PetscLogEvent[], const PetscInt[], const PetscInt[], Mat[], Mat); 226 PETSC_EXTERN PetscErrorCode LandauKokkosCreateMatMaps(P4estVertexMaps *, pointInterpolationP4est (*)[LANDAU_MAX_Q_FACE], PetscInt[], PetscInt, PetscInt); 227 PETSC_EXTERN PetscErrorCode LandauKokkosDestroyMatMaps(P4estVertexMaps *, PetscInt); 228 PETSC_EXTERN PetscErrorCode LandauKokkosStaticDataSet(DM, const PetscInt, const PetscInt, const PetscInt, PetscInt[], PetscInt[], PetscInt[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], PetscReal[], LandauStaticData *); 229 PETSC_EXTERN PetscErrorCode LandauKokkosStaticDataClear(LandauStaticData *); 230 #endif 231 232 #endif /* PETSCLANDAU_H */ 233