Lines Matching defs:Mat_SeqAIJCUSPARSETriFactors

212 struct Mat_SeqAIJCUSPARSETriFactors {  struct
214 …iFactorStruct *loTriFactorPtr;          /* pointer for lower triangular (factored matrix) on GPU */
215 …iFactorStruct *upTriFactorPtr;          /* pointer for upper triangular (factored matrix) on GPU */
216 …se; /* pointer for lower triangular (factored matrix) on GPU for the transpose (useful for BiCG) */
217 …ose; /* pointer for upper triangular (factored matrix) on GPU for the transpose (useful for BiCG)*/
220   THRUSTINTARRAY  *rpermIndices; /* indices used for any reordering */
221   THRUSTINTARRAY  *cpermIndices; /* indices used for any reordering */
222   THRUSTARRAY     *workVector;
223   cusparseHandle_t handle; /* a handle to the cusparse library */
224 …Int         nnz;    /* number of nonzeros ... need this for accurate logging between ICC and ILU */
225   cudaDeviceProp   dev_prop;
226   PetscBool        init_dev_prop;
232   PetscScalar *csrVal, *diag;             // the diagonal D in UtDU of Cholesky
233 …       *csrRowPtr32, *csrColIdx32; // i,j of M. cusparseScsrilu02/ic02() etc require 32-bit indices
235 …etscInt    *csrRowPtr, *csrColIdx; // i, j of M on device for CUDA APIs that support 64-bit indices
236 …done on host, we prepare a factored matrix in regular csr format on host and then copy it to device
237   PetscInt    *csrRowPtr_h;           // csrColIdx_h is temporary, so it is not here
240   cusparseMatDescr_t   matDescr_M;
241   cusparseSpMatDescr_t spMatDescr_L, spMatDescr_U;
242   cusparseSpSVDescr_t  spsvDescr_L, spsvDescr_Lt, spsvDescr_U, spsvDescr_Ut;
244   cusparseDnVecDescr_t dnVecDescr_X, dnVecDescr_Y;
245   PetscScalar         *X, *Y; /* data array of dnVec X and Y */
248   int    factBufferSize_M; /* M ~= LU or LLt */
249   size_t spsvBufferSize_L, spsvBufferSize_Lt, spsvBufferSize_U, spsvBufferSize_Ut;
253   void *factBuffer_M, *spsvBuffer_L, *spsvBuffer_U, *spsvBuffer_Lt, *spsvBuffer_Ut;
255   csrilu02Info_t        ilu0Info_M;
256   csric02Info_t         ic0Info_M;
257   int                   structural_zero, numerical_zero;
258   cusparseSolvePolicy_t policy_M;
261   PetscBool createdTransposeSpSVDescr;    /* Have we created SpSV descriptors for Lt, Ut? */
262   PetscBool updatedTransposeSpSVAnalysis; /* Have we ever updated (done) SpSV analysis for Lt, Ut */
263   PetscBool updatedSpSVAnalysis;          /* Have we ever updated (done) SpSV Analysis for L, U? */
265   PetscLogDouble numericFactFlops; /* Estimated FLOPs in ILU0/ICC0 numeric factorization */