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