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 LandauPrintNorms(Vec, PetscInt); 8 PETSC_EXTERN PetscErrorCode LandauCreateVelocitySpace(MPI_Comm,PetscInt,const char[],Vec*,Mat*,DM*); 9 PETSC_EXTERN PetscErrorCode LandauDestroyVelocitySpace(DM*); 10 PETSC_EXTERN PetscErrorCode LandauAddMaxwellians(DM, Vec, PetscReal, PetscReal[], PetscReal[], void *); 11 PETSC_EXTERN PetscErrorCode LandauCreateMassMatrix(DM dm, Mat *Amat); 12 PETSC_EXTERN PetscErrorCode LandauIFunction(TS, PetscReal,Vec,Vec,Vec,void *); 13 PETSC_EXTERN PetscErrorCode LandauIJacobian(TS, PetscReal,Vec,Vec,PetscReal,Mat,Mat,void *); 14 15 /* the Fokker-Planck-Landau context */ 16 #if !defined(LANDAU_DIM) 17 #define LANDAU_DIM 2 18 #endif 19 20 #if !defined(LANDAU_MAX_SPECIES) 21 #if LANDAU_DIM==2 22 #define LANDAU_MAX_SPECIES 10 23 #else 24 #define LANDAU_MAX_SPECIES 3 25 #endif 26 #endif 27 28 #if !defined(LANDAU_MAX_Q) 29 #if defined(LANDAU_MAX_NQ) 30 #error"LANDAU_MAX_NQ but not LANDAU_MAX_Q. Use -DLANDAU_MAX_Q=4 for Q3 elements" 31 #endif 32 #if LANDAU_DIM==2 33 #define LANDAU_MAX_Q 5 34 #else 35 #define LANDAU_MAX_Q 3 36 #endif 37 #else 38 #undef LANDAU_MAX_NQ 39 #endif 40 41 #if LANDAU_DIM==2 42 #define LANDAU_MAX_Q_FACE LANDAU_MAX_Q 43 #define LANDAU_MAX_NQ (LANDAU_MAX_Q*LANDAU_MAX_Q) 44 #else 45 #define LANDAU_MAX_Q_FACE (LANDAU_MAX_Q*LANDAU_MAX_Q) 46 #define LANDAU_MAX_NQ (LANDAU_MAX_Q*LANDAU_MAX_Q*LANDAU_MAX_Q) 47 #endif 48 49 typedef enum {LANDAU_CUDA, LANDAU_KOKKOS, LANDAU_CPU} LandauDeviceType; 50 typedef struct { 51 PetscBool interpolate; /* Generate intermediate mesh elements */ 52 PetscBool gpu_assembly; 53 PetscFE fe[LANDAU_MAX_SPECIES]; 54 /* geometry */ 55 PetscReal i_radius; 56 PetscReal e_radius; 57 PetscInt num_sections; 58 PetscReal radius; 59 PetscReal re_radius; /* radius of refinement along v_perp=0, z>0 */ 60 PetscReal vperp0_radius1; /* radius of refinement along v_perp=0 */ 61 PetscReal vperp0_radius2; /* radius of refinement along v_perp=0 after origin AMR refinement */ 62 PetscBool sphere; 63 PetscBool inflate; 64 PetscInt numRERefine; /* refinement along v_perp=0, z > 0 */ 65 PetscInt nZRefine1; /* origin refinement after v_perp=0 refinement */ 66 PetscInt nZRefine2; /* origin refinement after origin AMR refinement */ 67 PetscInt maxRefIts; /* normal AMR - refine from origin */ 68 PetscInt postAMRRefine; /* uniform refinement of AMR */ 69 /* discretization - AMR */ 70 PetscErrorCode (*errorIndicator)(PetscInt, PetscReal, PetscReal [], PetscInt, const PetscInt[], const PetscScalar[], const PetscScalar[], PetscReal *, void *); 71 PetscReal refineTol[LANDAU_MAX_SPECIES]; 72 PetscReal coarsenTol[LANDAU_MAX_SPECIES]; 73 /* physics */ 74 PetscReal thermal_temps[LANDAU_MAX_SPECIES]; 75 PetscReal masses[LANDAU_MAX_SPECIES]; /* mass of each species */ 76 PetscReal charges[LANDAU_MAX_SPECIES]; /* charge of each species */ 77 PetscReal n[LANDAU_MAX_SPECIES]; /* number density of each species */ 78 PetscReal m_0; /* reference mass */ 79 PetscReal v_0; /* reference velocity */ 80 PetscReal n_0; /* reference number density */ 81 PetscReal t_0; /* reference time */ 82 PetscReal Ez; 83 PetscReal epsilon0; 84 PetscReal k; 85 PetscReal lnLam; 86 PetscReal electronShift; /* for tests */ 87 PetscInt num_species; 88 /* diagnostics */ 89 PetscInt verbose; 90 PetscLogEvent events[20]; 91 DM dmv; 92 /* cache */ 93 Mat J; 94 Mat M; 95 Vec X; 96 PetscReal normJ; /* used to see if function changed */ 97 /* derived type */ 98 void *data; 99 PetscBool aux_bool; /* helper */ 100 /* computing */ 101 LandauDeviceType deviceType; 102 PetscInt subThreadBlockSize; 103 PetscInt numConcurrency; /* number of SMs in Cuda to use */ 104 MPI_Comm comm; /* global communicator to use for errors and diagnostics */ 105 } LandauCtx; 106 107 typedef int LandauIdx; 108 typedef struct { 109 PetscReal scale; 110 LandauIdx gid; // Lanadu matrix index (<10,000) 111 } pointInterpolationP4est; 112 typedef struct _lP4estVertexMaps { 113 LandauIdx (*gIdx)[LANDAU_MAX_SPECIES][LANDAU_MAX_NQ]; // #elems * LANDAU_MAX_NQ (spoof for max , Nb) on device, 114 LandauIdx num_elements; 115 LandauIdx num_reduced; 116 LandauIdx num_face; // (Q or Q^2 for 3D) 117 LandauDeviceType deviceType; 118 PetscInt Nf; 119 PetscInt Nq; 120 pointInterpolationP4est (*c_maps)[LANDAU_MAX_Q_FACE]; 121 struct _lP4estVertexMaps*data; 122 void *vp1,*vp2,*vp3; 123 } P4estVertexMaps; 124 125 typedef PetscReal LandauIPReal; 126 typedef struct { 127 LandauIPReal *w; 128 LandauIPReal *x; 129 LandauIPReal *y; 130 LandauIPReal *z; 131 LandauIPReal *coefs; 132 int dim_,ns_,nip_; 133 } LandauIPData; 134 135 PETSC_EXTERN PetscErrorCode LandauCreateColoring(Mat, DM, PetscContainer *); 136 PETSC_EXTERN int LandauGetIPDataSize(const LandauIPData *const); 137 #if defined(PETSC_HAVE_CUDA) 138 PETSC_EXTERN PetscErrorCode LandauCUDAJacobian(DM, const PetscInt, const PetscReal [], const PetscReal [], const PetscReal[], const PetscReal[], 139 const LandauIPData *const, const PetscReal [], PetscReal *, PetscReal, const PetscLogEvent[], Mat); 140 PETSC_EXTERN PetscErrorCode LandauCUDACreateMatMaps(P4estVertexMaps *, pointInterpolationP4est (*)[LANDAU_MAX_Q_FACE], PetscInt, PetscInt); 141 PETSC_EXTERN PetscErrorCode LandauCUDADestroyMatMaps(P4estVertexMaps *); 142 143 #endif 144 #if defined(PETSC_HAVE_KOKKOS) 145 PETSC_EXTERN PetscErrorCode LandauKokkosJacobian(DM, const PetscInt, PetscReal*, PetscReal*, PetscReal*, PetscReal*, 146 const LandauIPData* const, PetscReal*, const PetscInt, PetscReal*, PetscReal, 147 const PetscLogEvent*, Mat); 148 PETSC_EXTERN PetscErrorCode LandauKokkosCreateMatMaps(P4estVertexMaps *, pointInterpolationP4est (*)[LANDAU_MAX_Q_FACE], PetscInt, PetscInt); 149 PETSC_EXTERN PetscErrorCode LandauKokkosDestroyMatMaps(P4estVertexMaps *); 150 #endif 151 152 #endif /* PETSCLANDAU_H */ 153