Actual source code: mhypre.c
2: /*
3: Creates hypre ijmatrix from PETSc matrix
4: */
6: #include <petscpkg_version.h>
7: #include <petsc/private/petschypre.h>
8: #include <petscmathypre.h>
9: #include <petsc/private/matimpl.h>
10: #include <../src/mat/impls/hypre/mhypre.h>
11: #include <../src/mat/impls/aij/mpi/mpiaij.h>
12: #include <../src/vec/vec/impls/hypre/vhyp.h>
13: #include <HYPRE.h>
14: #include <HYPRE_utilities.h>
15: #include <_hypre_parcsr_ls.h>
16: #include <_hypre_sstruct_ls.h>
18: #if PETSC_PKG_HYPRE_VERSION_LT(2,18,0)
19: #define hypre_ParCSRMatrixClone(A,B) hypre_ParCSRMatrixCompleteClone(A)
20: #endif
22: static PetscErrorCode MatHYPRE_CreateFromMat(Mat,Mat_HYPRE*);
23: static PetscErrorCode MatHYPRE_IJMatrixPreallocate(Mat,Mat,HYPRE_IJMatrix);
24: static PetscErrorCode MatHYPRE_IJMatrixFastCopy_MPIAIJ(Mat,HYPRE_IJMatrix);
25: static PetscErrorCode MatHYPRE_IJMatrixFastCopy_SeqAIJ(Mat,HYPRE_IJMatrix);
26: static PetscErrorCode MatHYPRE_MultKernel_Private(Mat,HYPRE_Complex,Vec,HYPRE_Complex,Vec,PetscBool);
27: static PetscErrorCode hypre_array_destroy(void*);
28: PetscErrorCode MatSetValues_HYPRE(Mat, PetscInt,const PetscInt[],PetscInt,const PetscInt[],const PetscScalar[],InsertMode ins);
30: static PetscErrorCode MatHYPRE_IJMatrixPreallocate(Mat A_d, Mat A_o, HYPRE_IJMatrix ij)
31: {
33: PetscInt i,n_d,n_o;
34: const PetscInt *ia_d,*ia_o;
35: PetscBool done_d=PETSC_FALSE,done_o=PETSC_FALSE;
36: HYPRE_Int *nnz_d=NULL,*nnz_o=NULL;
39: if (A_d) { /* determine number of nonzero entries in local diagonal part */
40: MatGetRowIJ(A_d,0,PETSC_FALSE,PETSC_FALSE,&n_d,&ia_d,NULL,&done_d);
41: if (done_d) {
42: PetscMalloc1(n_d,&nnz_d);
43: for (i=0; i<n_d; i++) {
44: nnz_d[i] = ia_d[i+1] - ia_d[i];
45: }
46: }
47: MatRestoreRowIJ(A_d,0,PETSC_FALSE,PETSC_FALSE,NULL,&ia_d,NULL,&done_d);
48: }
49: if (A_o) { /* determine number of nonzero entries in local off-diagonal part */
50: MatGetRowIJ(A_o,0,PETSC_FALSE,PETSC_FALSE,&n_o,&ia_o,NULL,&done_o);
51: if (done_o) {
52: PetscMalloc1(n_o,&nnz_o);
53: for (i=0; i<n_o; i++) {
54: nnz_o[i] = ia_o[i+1] - ia_o[i];
55: }
56: }
57: MatRestoreRowIJ(A_o,0,PETSC_FALSE,PETSC_FALSE,&n_o,&ia_o,NULL,&done_o);
58: }
59: if (done_d) { /* set number of nonzeros in HYPRE IJ matrix */
60: if (!done_o) { /* only diagonal part */
61: PetscCalloc1(n_d,&nnz_o);
62: }
63: #if PETSC_PKG_HYPRE_VERSION_GE(2,16,0)
64: { /* If we don't do this, the columns of the matrix will be all zeros! */
65: hypre_AuxParCSRMatrix *aux_matrix;
66: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(ij);
67: hypre_AuxParCSRMatrixDestroy(aux_matrix);
68: hypre_IJMatrixTranslator(ij) = NULL;
69: PetscStackCallStandard(HYPRE_IJMatrixSetDiagOffdSizes,(ij,nnz_d,nnz_o));
70: /* it seems they partially fixed it in 2.19.0 */
71: #if PETSC_PKG_HYPRE_VERSION_LT(2,19,0)
72: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(ij);
73: hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 1;
74: #endif
75: }
76: #else
77: PetscStackCallStandard(HYPRE_IJMatrixSetDiagOffdSizes,(ij,nnz_d,nnz_o));
78: #endif
79: PetscFree(nnz_d);
80: PetscFree(nnz_o);
81: }
82: return(0);
83: }
85: static PetscErrorCode MatHYPRE_CreateFromMat(Mat A, Mat_HYPRE *hA)
86: {
88: PetscInt rstart,rend,cstart,cend;
91: PetscLayoutSetUp(A->rmap);
92: PetscLayoutSetUp(A->cmap);
93: rstart = A->rmap->rstart;
94: rend = A->rmap->rend;
95: cstart = A->cmap->rstart;
96: cend = A->cmap->rend;
97: PetscStackCallStandard(HYPRE_IJMatrixCreate,(hA->comm,rstart,rend-1,cstart,cend-1,&hA->ij));
98: PetscStackCallStandard(HYPRE_IJMatrixSetObjectType,(hA->ij,HYPRE_PARCSR));
99: {
100: PetscBool same;
101: Mat A_d,A_o;
102: const PetscInt *colmap;
103: PetscObjectBaseTypeCompare((PetscObject)A,MATMPIAIJ,&same);
104: if (same) {
105: MatMPIAIJGetSeqAIJ(A,&A_d,&A_o,&colmap);
106: MatHYPRE_IJMatrixPreallocate(A_d,A_o,hA->ij);
107: return(0);
108: }
109: PetscObjectBaseTypeCompare((PetscObject)A,MATMPIBAIJ,&same);
110: if (same) {
111: MatMPIBAIJGetSeqBAIJ(A,&A_d,&A_o,&colmap);
112: MatHYPRE_IJMatrixPreallocate(A_d,A_o,hA->ij);
113: return(0);
114: }
115: PetscObjectBaseTypeCompare((PetscObject)A,MATSEQAIJ,&same);
116: if (same) {
117: MatHYPRE_IJMatrixPreallocate(A,NULL,hA->ij);
118: return(0);
119: }
120: PetscObjectBaseTypeCompare((PetscObject)A,MATSEQBAIJ,&same);
121: if (same) {
122: MatHYPRE_IJMatrixPreallocate(A,NULL,hA->ij);
123: return(0);
124: }
125: }
126: return(0);
127: }
129: static PetscErrorCode MatHYPRE_IJMatrixCopy(Mat A, HYPRE_IJMatrix ij)
130: {
131: PetscErrorCode ierr;
132: PetscInt i,rstart,rend,ncols,nr,nc;
133: const PetscScalar *values;
134: const PetscInt *cols;
135: PetscBool flg;
138: PetscObjectBaseTypeCompare((PetscObject)A,MATMPIAIJ,&flg);
139: MatGetSize(A,&nr,&nc);
140: if (flg && nr == nc) {
141: MatHYPRE_IJMatrixFastCopy_MPIAIJ(A,ij);
142: return(0);
143: }
144: PetscObjectBaseTypeCompare((PetscObject)A,MATSEQAIJ,&flg);
145: if (flg) {
146: MatHYPRE_IJMatrixFastCopy_SeqAIJ(A,ij);
147: return(0);
148: }
150: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(ij));
151: MatGetOwnershipRange(A,&rstart,&rend);
152: for (i=rstart; i<rend; i++) {
153: MatGetRow(A,i,&ncols,&cols,&values);
154: if (ncols) {
155: HYPRE_Int nc = (HYPRE_Int)ncols;
157: if ((PetscInt)nc != ncols) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Hypre overflow! number of columns %D for row %D",ncols,i);
158: PetscStackCallStandard(HYPRE_IJMatrixSetValues,(ij,1,&nc,(HYPRE_BigInt *)&i,(HYPRE_BigInt *)cols,(HYPRE_Complex *)values));
159: }
160: MatRestoreRow(A,i,&ncols,&cols,&values);
161: }
162: return(0);
163: }
165: static PetscErrorCode MatHYPRE_IJMatrixFastCopy_SeqAIJ(Mat A, HYPRE_IJMatrix ij)
166: {
167: PetscErrorCode ierr;
168: Mat_SeqAIJ *pdiag = (Mat_SeqAIJ*)A->data;
169: HYPRE_Int type;
170: hypre_ParCSRMatrix *par_matrix;
171: hypre_AuxParCSRMatrix *aux_matrix;
172: hypre_CSRMatrix *hdiag;
173: PetscBool sameint = (PetscBool)(sizeof(PetscInt) == sizeof(HYPRE_Int));
176: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(ij));
177: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(ij,&type));
178: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
179: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(ij,(void**)&par_matrix));
180: hdiag = hypre_ParCSRMatrixDiag(par_matrix);
181: /*
182: this is the Hack part where we monkey directly with the hypre datastructures
183: */
184: if (sameint) {
185: PetscArraycpy(hdiag->i,pdiag->i,A->rmap->n + 1);
186: PetscArraycpy(hdiag->j,pdiag->j,pdiag->nz);
187: } else {
188: PetscInt i;
190: for (i=0;i<A->rmap->n + 1;i++) hdiag->i[i] = (HYPRE_Int)pdiag->i[i];
191: for (i=0;i<pdiag->nz;i++) hdiag->j[i] = (HYPRE_Int)pdiag->j[i];
192: }
193: PetscArraycpy(hdiag->data,pdiag->a,pdiag->nz);
195: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(ij);
196: hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 0;
197: return(0);
198: }
200: static PetscErrorCode MatHYPRE_IJMatrixFastCopy_MPIAIJ(Mat A, HYPRE_IJMatrix ij)
201: {
202: PetscErrorCode ierr;
203: Mat_MPIAIJ *pA = (Mat_MPIAIJ*)A->data;
204: Mat_SeqAIJ *pdiag,*poffd;
205: PetscInt i,*garray = pA->garray,*jj,cstart,*pjj;
206: HYPRE_Int *hjj,type;
207: hypre_ParCSRMatrix *par_matrix;
208: hypre_AuxParCSRMatrix *aux_matrix;
209: hypre_CSRMatrix *hdiag,*hoffd;
210: PetscBool sameint = (PetscBool)(sizeof(PetscInt) == sizeof(HYPRE_Int));
213: pdiag = (Mat_SeqAIJ*) pA->A->data;
214: poffd = (Mat_SeqAIJ*) pA->B->data;
215: /* cstart is only valid for square MPIAIJ layed out in the usual way */
216: MatGetOwnershipRange(A,&cstart,NULL);
218: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(ij));
219: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(ij,&type));
220: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
221: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(ij,(void**)&par_matrix));
222: hdiag = hypre_ParCSRMatrixDiag(par_matrix);
223: hoffd = hypre_ParCSRMatrixOffd(par_matrix);
225: /*
226: this is the Hack part where we monkey directly with the hypre datastructures
227: */
228: if (sameint) {
229: PetscArraycpy(hdiag->i,pdiag->i,pA->A->rmap->n + 1);
230: } else {
231: for (i=0; i<pA->A->rmap->n + 1; i++) hdiag->i[i] = (HYPRE_Int)(pdiag->i[i]);
232: }
233: /* need to shift the diag column indices (hdiag->j) back to global numbering since hypre is expecting this */
234: hjj = hdiag->j;
235: pjj = pdiag->j;
236: #if PETSC_PKG_HYPRE_VERSION_GE(2,16,0)
237: for (i=0; i<pdiag->nz; i++) hjj[i] = pjj[i];
238: #else
239: for (i=0; i<pdiag->nz; i++) hjj[i] = cstart + pjj[i];
240: #endif
241: PetscArraycpy(hdiag->data,pdiag->a,pdiag->nz);
242: if (sameint) {
243: PetscArraycpy(hoffd->i,poffd->i,pA->A->rmap->n + 1);
244: } else {
245: for (i=0; i<pA->A->rmap->n + 1; i++) hoffd->i[i] = (HYPRE_Int)(poffd->i[i]);
246: }
248: /* need to move the offd column indices (hoffd->j) back to global numbering since hypre is expecting this
249: If we hacked a hypre a bit more we might be able to avoid this step */
250: #if PETSC_PKG_HYPRE_VERSION_GE(2,16,0)
251: PetscStackCallStandard(hypre_CSRMatrixBigInitialize,(hoffd));
252: jj = (PetscInt*) hoffd->big_j;
253: #else
254: jj = (PetscInt*) hoffd->j;
255: #endif
256: pjj = poffd->j;
257: for (i=0; i<poffd->nz; i++) jj[i] = garray[pjj[i]];
259: PetscArraycpy(hoffd->data,poffd->a,poffd->nz);
261: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(ij);
262: hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 0;
263: return(0);
264: }
266: static PetscErrorCode MatConvert_HYPRE_IS(Mat A, MatType mtype, MatReuse reuse, Mat* B)
267: {
268: Mat_HYPRE* mhA = (Mat_HYPRE*)(A->data);
269: Mat lA;
270: ISLocalToGlobalMapping rl2g,cl2g;
271: IS is;
272: hypre_ParCSRMatrix *hA;
273: hypre_CSRMatrix *hdiag,*hoffd;
274: MPI_Comm comm;
275: HYPRE_Complex *hdd,*hod,*aa;
276: PetscScalar *data;
277: HYPRE_BigInt *col_map_offd;
278: HYPRE_Int *hdi,*hdj,*hoi,*hoj;
279: PetscInt *ii,*jj,*iptr,*jptr;
280: PetscInt cum,dr,dc,oc,str,stc,nnz,i,jd,jo,M,N;
281: HYPRE_Int type;
282: PetscErrorCode ierr;
285: comm = PetscObjectComm((PetscObject)A);
286: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(mhA->ij,&type));
287: if (type != HYPRE_PARCSR) SETERRQ(comm,PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
288: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(mhA->ij,(void**)&hA));
289: M = hypre_ParCSRMatrixGlobalNumRows(hA);
290: N = hypre_ParCSRMatrixGlobalNumCols(hA);
291: str = hypre_ParCSRMatrixFirstRowIndex(hA);
292: stc = hypre_ParCSRMatrixFirstColDiag(hA);
293: hdiag = hypre_ParCSRMatrixDiag(hA);
294: hoffd = hypre_ParCSRMatrixOffd(hA);
295: dr = hypre_CSRMatrixNumRows(hdiag);
296: dc = hypre_CSRMatrixNumCols(hdiag);
297: nnz = hypre_CSRMatrixNumNonzeros(hdiag);
298: hdi = hypre_CSRMatrixI(hdiag);
299: hdj = hypre_CSRMatrixJ(hdiag);
300: hdd = hypre_CSRMatrixData(hdiag);
301: oc = hypre_CSRMatrixNumCols(hoffd);
302: nnz += hypre_CSRMatrixNumNonzeros(hoffd);
303: hoi = hypre_CSRMatrixI(hoffd);
304: hoj = hypre_CSRMatrixJ(hoffd);
305: hod = hypre_CSRMatrixData(hoffd);
306: if (reuse != MAT_REUSE_MATRIX) {
307: PetscInt *aux;
309: /* generate l2g maps for rows and cols */
310: ISCreateStride(comm,dr,str,1,&is);
311: ISLocalToGlobalMappingCreateIS(is,&rl2g);
312: ISDestroy(&is);
313: col_map_offd = hypre_ParCSRMatrixColMapOffd(hA);
314: PetscMalloc1(dc+oc,&aux);
315: for (i=0; i<dc; i++) aux[i] = i+stc;
316: for (i=0; i<oc; i++) aux[i+dc] = col_map_offd[i];
317: ISCreateGeneral(comm,dc+oc,aux,PETSC_OWN_POINTER,&is);
318: ISLocalToGlobalMappingCreateIS(is,&cl2g);
319: ISDestroy(&is);
320: /* create MATIS object */
321: MatCreate(comm,B);
322: MatSetSizes(*B,dr,dc,M,N);
323: MatSetType(*B,MATIS);
324: MatSetLocalToGlobalMapping(*B,rl2g,cl2g);
325: ISLocalToGlobalMappingDestroy(&rl2g);
326: ISLocalToGlobalMappingDestroy(&cl2g);
328: /* allocate CSR for local matrix */
329: PetscMalloc1(dr+1,&iptr);
330: PetscMalloc1(nnz,&jptr);
331: PetscMalloc1(nnz,&data);
332: } else {
333: PetscInt nr;
334: PetscBool done;
335: MatISGetLocalMat(*B,&lA);
336: MatGetRowIJ(lA,0,PETSC_FALSE,PETSC_FALSE,&nr,(const PetscInt**)&iptr,(const PetscInt**)&jptr,&done);
337: if (nr != dr) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of rows in local mat! %D != %D",nr,dr);
338: if (iptr[nr] < nnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of nonzeros in local mat! reuse %D requested %D",iptr[nr],nnz);
339: MatSeqAIJGetArray(lA,&data);
340: }
341: /* merge local matrices */
342: ii = iptr;
343: jj = jptr;
344: aa = (HYPRE_Complex*)data; /* this cast fixes the clang error when doing the assignments below: implicit conversion from 'HYPRE_Complex' (aka '_Complex double') to 'double' is not permitted in C++ */
345: *ii = *(hdi++) + *(hoi++);
346: for (jd=0,jo=0,cum=0; *ii<nnz; cum++) {
347: PetscScalar *aold = (PetscScalar*)aa;
348: PetscInt *jold = jj,nc = jd+jo;
349: for (; jd<*hdi; jd++) { *jj++ = *hdj++; *aa++ = *hdd++; }
350: for (; jo<*hoi; jo++) { *jj++ = *hoj++ + dc; *aa++ = *hod++; }
351: *(++ii) = *(hdi++) + *(hoi++);
352: PetscSortIntWithScalarArray(jd+jo-nc,jold,aold);
353: }
354: for (; cum<dr; cum++) *(++ii) = nnz;
355: if (reuse != MAT_REUSE_MATRIX) {
356: Mat_SeqAIJ* a;
358: MatCreateSeqAIJWithArrays(PETSC_COMM_SELF,dr,dc+oc,iptr,jptr,data,&lA);
359: MatISSetLocalMat(*B,lA);
360: /* hack SeqAIJ */
361: a = (Mat_SeqAIJ*)(lA->data);
362: a->free_a = PETSC_TRUE;
363: a->free_ij = PETSC_TRUE;
364: MatDestroy(&lA);
365: }
366: MatAssemblyBegin(*B,MAT_FINAL_ASSEMBLY);
367: MatAssemblyEnd(*B,MAT_FINAL_ASSEMBLY);
368: if (reuse == MAT_INPLACE_MATRIX) {
369: MatHeaderReplace(A,B);
370: }
371: return(0);
372: }
374: PETSC_INTERN PetscErrorCode MatConvert_AIJ_HYPRE(Mat A, MatType type, MatReuse reuse, Mat *B)
375: {
376: Mat M = NULL;
377: Mat_HYPRE *hB;
378: MPI_Comm comm = PetscObjectComm((PetscObject)A);
382: if (reuse == MAT_REUSE_MATRIX) {
383: /* always destroy the old matrix and create a new memory;
384: hope this does not churn the memory too much. The problem
385: is I do not know if it is possible to put the matrix back to
386: its initial state so that we can directly copy the values
387: the second time through. */
388: hB = (Mat_HYPRE*)((*B)->data);
389: PetscStackCallStandard(HYPRE_IJMatrixDestroy,(hB->ij));
390: } else {
391: MatCreate(comm,&M);
392: MatSetType(M,MATHYPRE);
393: MatSetSizes(M,A->rmap->n,A->cmap->n,A->rmap->N,A->cmap->N);
394: hB = (Mat_HYPRE*)(M->data);
395: if (reuse == MAT_INITIAL_MATRIX) *B = M;
396: }
397: MatSetOption(*B,MAT_SORTED_FULL,PETSC_TRUE); /* "perfect" preallocation, so no need for hypre_AuxParCSRMatrixNeedAux */
398: MatSetOption(*B,MAT_NO_OFF_PROC_ENTRIES,PETSC_TRUE);
399: MatHYPRE_CreateFromMat(A,hB);
400: MatHYPRE_IJMatrixCopy(A,hB->ij);
401: if (reuse == MAT_INPLACE_MATRIX) {
402: MatHeaderReplace(A,&M);
403: }
404: (*B)->preallocated = PETSC_TRUE;
405: MatAssemblyBegin(*B,MAT_FINAL_ASSEMBLY);
406: MatAssemblyEnd(*B,MAT_FINAL_ASSEMBLY);
407: return(0);
408: }
410: static PetscErrorCode MatConvert_HYPRE_AIJ(Mat A, MatType mtype, MatReuse reuse, Mat *B)
411: {
412: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
413: hypre_ParCSRMatrix *parcsr;
414: hypre_CSRMatrix *hdiag,*hoffd;
415: MPI_Comm comm;
416: PetscScalar *da,*oa,*aptr;
417: PetscInt *dii,*djj,*oii,*ojj,*iptr;
418: PetscInt i,dnnz,onnz,m,n;
419: HYPRE_Int type;
420: PetscMPIInt size;
421: PetscBool sameint = (PetscBool)(sizeof(PetscInt) == sizeof(HYPRE_Int));
422: PetscErrorCode ierr;
425: comm = PetscObjectComm((PetscObject)A);
426: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hA->ij,&type));
427: if (type != HYPRE_PARCSR) SETERRQ(comm,PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
428: if (reuse == MAT_REUSE_MATRIX) {
429: PetscBool ismpiaij,isseqaij;
430: PetscObjectBaseTypeCompare((PetscObject)*B,MATMPIAIJ,&ismpiaij);
431: PetscObjectBaseTypeCompare((PetscObject)*B,MATSEQAIJ,&isseqaij);
432: if (!ismpiaij && !isseqaij) SETERRQ(comm,PETSC_ERR_SUP,"Only MATMPIAIJ or MATSEQAIJ are supported");
433: }
434: MPI_Comm_size(comm,&size);
436: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)&parcsr));
437: hdiag = hypre_ParCSRMatrixDiag(parcsr);
438: hoffd = hypre_ParCSRMatrixOffd(parcsr);
439: m = hypre_CSRMatrixNumRows(hdiag);
440: n = hypre_CSRMatrixNumCols(hdiag);
441: dnnz = hypre_CSRMatrixNumNonzeros(hdiag);
442: onnz = hypre_CSRMatrixNumNonzeros(hoffd);
443: if (reuse == MAT_INITIAL_MATRIX) {
444: PetscMalloc1(m+1,&dii);
445: PetscMalloc1(dnnz,&djj);
446: PetscMalloc1(dnnz,&da);
447: } else if (reuse == MAT_REUSE_MATRIX) {
448: PetscInt nr;
449: PetscBool done;
450: if (size > 1) {
451: Mat_MPIAIJ *b = (Mat_MPIAIJ*)((*B)->data);
453: MatGetRowIJ(b->A,0,PETSC_FALSE,PETSC_FALSE,&nr,(const PetscInt**)&dii,(const PetscInt**)&djj,&done);
454: if (nr != m) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of local rows in diag part! %D != %D",nr,m);
455: if (dii[nr] < dnnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of nonzeros in diag part! reuse %D hypre %D",dii[nr],dnnz);
456: MatSeqAIJGetArray(b->A,&da);
457: } else {
458: MatGetRowIJ(*B,0,PETSC_FALSE,PETSC_FALSE,&nr,(const PetscInt**)&dii,(const PetscInt**)&djj,&done);
459: if (nr != m) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of local rows! %D != %D",nr,m);
460: if (dii[nr] < dnnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of nonzeros! reuse %D hypre %D",dii[nr],dnnz);
461: MatSeqAIJGetArray(*B,&da);
462: }
463: } else { /* MAT_INPLACE_MATRIX */
464: if (!sameint) {
465: PetscMalloc1(m+1,&dii);
466: PetscMalloc1(dnnz,&djj);
467: } else {
468: dii = (PetscInt*)hypre_CSRMatrixI(hdiag);
469: djj = (PetscInt*)hypre_CSRMatrixJ(hdiag);
470: }
471: da = (PetscScalar*)hypre_CSRMatrixData(hdiag);
472: }
474: if (!sameint) {
475: for (i=0;i<m+1;i++) dii[i] = (PetscInt)(hypre_CSRMatrixI(hdiag)[i]);
476: for (i=0;i<dnnz;i++) djj[i] = (PetscInt)(hypre_CSRMatrixJ(hdiag)[i]);
477: } else {
478: PetscArraycpy(dii,hypre_CSRMatrixI(hdiag),m+1);
479: PetscArraycpy(djj,hypre_CSRMatrixJ(hdiag),dnnz);
480: }
481: PetscArraycpy(da,hypre_CSRMatrixData(hdiag),dnnz);
482: iptr = djj;
483: aptr = da;
484: for (i=0; i<m; i++) {
485: PetscInt nc = dii[i+1]-dii[i];
486: PetscSortIntWithScalarArray(nc,iptr,aptr);
487: iptr += nc;
488: aptr += nc;
489: }
490: if (size > 1) {
491: HYPRE_BigInt *coffd;
492: HYPRE_Int *offdj;
494: if (reuse == MAT_INITIAL_MATRIX) {
495: PetscMalloc1(m+1,&oii);
496: PetscMalloc1(onnz,&ojj);
497: PetscMalloc1(onnz,&oa);
498: } else if (reuse == MAT_REUSE_MATRIX) {
499: Mat_MPIAIJ *b = (Mat_MPIAIJ*)((*B)->data);
500: PetscInt nr,hr = hypre_CSRMatrixNumRows(hoffd);
501: PetscBool done;
503: MatGetRowIJ(b->B,0,PETSC_FALSE,PETSC_FALSE,&nr,(const PetscInt**)&oii,(const PetscInt**)&ojj,&done);
504: if (nr != hr) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of local rows in offdiag part! %D != %D",nr,hr);
505: if (oii[nr] < onnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Cannot reuse mat: invalid number of nonzeros in offdiag part! reuse %D hypre %D",oii[nr],onnz);
506: MatSeqAIJGetArray(b->B,&oa);
507: } else { /* MAT_INPLACE_MATRIX */
508: if (!sameint) {
509: PetscMalloc1(m+1,&oii);
510: PetscMalloc1(onnz,&ojj);
511: } else {
512: oii = (PetscInt*)hypre_CSRMatrixI(hoffd);
513: ojj = (PetscInt*)hypre_CSRMatrixJ(hoffd);
514: }
515: oa = (PetscScalar*)hypre_CSRMatrixData(hoffd);
516: }
517: if (!sameint) {
518: for (i=0;i<m+1;i++) oii[i] = (PetscInt)(hypre_CSRMatrixI(hoffd)[i]);
519: } else {
520: PetscArraycpy(oii,hypre_CSRMatrixI(hoffd),m+1);
521: }
522: offdj = hypre_CSRMatrixJ(hoffd);
523: coffd = hypre_ParCSRMatrixColMapOffd(parcsr);
524: for (i=0; i<onnz; i++) ojj[i] = coffd[offdj[i]];
525: PetscArraycpy(oa,hypre_CSRMatrixData(hoffd),onnz);
526: iptr = ojj;
527: aptr = oa;
528: for (i=0; i<m; i++) {
529: PetscInt nc = oii[i+1]-oii[i];
530: PetscSortIntWithScalarArray(nc,iptr,aptr);
531: iptr += nc;
532: aptr += nc;
533: }
534: if (reuse == MAT_INITIAL_MATRIX) {
535: Mat_MPIAIJ *b;
536: Mat_SeqAIJ *d,*o;
538: MatCreateMPIAIJWithSplitArrays(comm,m,n,PETSC_DECIDE,PETSC_DECIDE,dii,djj,da,oii,ojj,oa,B);
539: /* hack MPIAIJ */
540: b = (Mat_MPIAIJ*)((*B)->data);
541: d = (Mat_SeqAIJ*)b->A->data;
542: o = (Mat_SeqAIJ*)b->B->data;
543: d->free_a = PETSC_TRUE;
544: d->free_ij = PETSC_TRUE;
545: o->free_a = PETSC_TRUE;
546: o->free_ij = PETSC_TRUE;
547: } else if (reuse == MAT_INPLACE_MATRIX) {
548: Mat T;
550: MatCreateMPIAIJWithSplitArrays(comm,m,n,PETSC_DECIDE,PETSC_DECIDE,dii,djj,da,oii,ojj,oa,&T);
551: if (sameint) { /* ownership of CSR pointers is transferred to PETSc */
552: hypre_CSRMatrixI(hdiag) = NULL;
553: hypre_CSRMatrixJ(hdiag) = NULL;
554: hypre_CSRMatrixI(hoffd) = NULL;
555: hypre_CSRMatrixJ(hoffd) = NULL;
556: } else { /* Hack MPIAIJ -> free ij but not a */
557: Mat_MPIAIJ *b = (Mat_MPIAIJ*)(T->data);
558: Mat_SeqAIJ *d = (Mat_SeqAIJ*)(b->A->data);
559: Mat_SeqAIJ *o = (Mat_SeqAIJ*)(b->B->data);
561: d->free_ij = PETSC_TRUE;
562: o->free_ij = PETSC_TRUE;
563: }
564: hypre_CSRMatrixData(hdiag) = NULL;
565: hypre_CSRMatrixData(hoffd) = NULL;
566: MatHeaderReplace(A,&T);
567: }
568: } else {
569: oii = NULL;
570: ojj = NULL;
571: oa = NULL;
572: if (reuse == MAT_INITIAL_MATRIX) {
573: Mat_SeqAIJ* b;
575: MatCreateSeqAIJWithArrays(comm,m,n,dii,djj,da,B);
576: /* hack SeqAIJ */
577: b = (Mat_SeqAIJ*)((*B)->data);
578: b->free_a = PETSC_TRUE;
579: b->free_ij = PETSC_TRUE;
580: } else if (reuse == MAT_INPLACE_MATRIX) {
581: Mat T;
583: MatCreateSeqAIJWithArrays(comm,m,n,dii,djj,da,&T);
584: if (sameint) { /* ownership of CSR pointers is transferred to PETSc */
585: hypre_CSRMatrixI(hdiag) = NULL;
586: hypre_CSRMatrixJ(hdiag) = NULL;
587: } else { /* free ij but not a */
588: Mat_SeqAIJ* b = (Mat_SeqAIJ*)(T->data);
590: b->free_ij = PETSC_TRUE;
591: }
592: hypre_CSRMatrixData(hdiag) = NULL;
593: MatHeaderReplace(A,&T);
594: }
595: }
597: /* we have to use hypre_Tfree to free the HYPRE arrays
598: that PETSc now onws */
599: if (reuse == MAT_INPLACE_MATRIX) {
600: PetscInt nh;
601: void *ptrs[6] = {da,oa,dii,djj,oii,ojj};
602: const char *names[6] = {"_hypre_csr_da",
603: "_hypre_csr_oa",
604: "_hypre_csr_dii",
605: "_hypre_csr_djj",
606: "_hypre_csr_oii",
607: "_hypre_csr_ojj"};
608: nh = sameint ? 6 : 2;
609: for (i=0; i<nh; i++) {
610: PetscContainer c;
612: PetscContainerCreate(comm,&c);
613: PetscContainerSetPointer(c,ptrs[i]);
614: PetscContainerSetUserDestroy(c,hypre_array_destroy);
615: PetscObjectCompose((PetscObject)(*B),names[i],(PetscObject)c);
616: PetscContainerDestroy(&c);
617: }
618: }
619: return(0);
620: }
622: static PetscErrorCode MatAIJGetParCSR_Private(Mat A, hypre_ParCSRMatrix **hA)
623: {
624: hypre_ParCSRMatrix *tA;
625: hypre_CSRMatrix *hdiag,*hoffd;
626: Mat_SeqAIJ *diag,*offd;
627: PetscInt *garray,i,noffd,dnnz,onnz,*row_starts,*col_starts;
628: MPI_Comm comm = PetscObjectComm((PetscObject)A);
629: PetscBool ismpiaij,isseqaij;
630: PetscBool sameint = (PetscBool)(sizeof(PetscInt) == sizeof(HYPRE_Int));
631: PetscErrorCode ierr;
634: PetscObjectBaseTypeCompare((PetscObject)A,MATMPIAIJ,&ismpiaij);
635: PetscObjectBaseTypeCompare((PetscObject)A,MATSEQAIJ,&isseqaij);
636: if (!ismpiaij && !isseqaij) SETERRQ1(comm,PETSC_ERR_SUP,"Unsupported type %s",((PetscObject)A)->type_name);
637: if (ismpiaij) {
638: Mat_MPIAIJ *a = (Mat_MPIAIJ*)(A->data);
640: diag = (Mat_SeqAIJ*)a->A->data;
641: offd = (Mat_SeqAIJ*)a->B->data;
642: garray = a->garray;
643: noffd = a->B->cmap->N;
644: dnnz = diag->nz;
645: onnz = offd->nz;
646: } else {
647: diag = (Mat_SeqAIJ*)A->data;
648: offd = NULL;
649: garray = NULL;
650: noffd = 0;
651: dnnz = diag->nz;
652: onnz = 0;
653: }
655: /* create a temporary ParCSR */
656: if (HYPRE_AssumedPartitionCheck()) {
657: PetscMPIInt myid;
659: MPI_Comm_rank(comm,&myid);
660: row_starts = A->rmap->range + myid;
661: col_starts = A->cmap->range + myid;
662: } else {
663: row_starts = A->rmap->range;
664: col_starts = A->cmap->range;
665: }
666: tA = hypre_ParCSRMatrixCreate(comm,A->rmap->N,A->cmap->N,(HYPRE_BigInt*)row_starts,(HYPRE_BigInt*)col_starts,noffd,dnnz,onnz);
667: hypre_ParCSRMatrixSetRowStartsOwner(tA,0);
668: hypre_ParCSRMatrixSetColStartsOwner(tA,0);
670: /* set diagonal part */
671: hdiag = hypre_ParCSRMatrixDiag(tA);
672: if (sameint) { /* reuse CSR pointers */
673: hypre_CSRMatrixI(hdiag) = (HYPRE_Int*)diag->i;
674: hypre_CSRMatrixJ(hdiag) = (HYPRE_Int*)diag->j;
675: } else { /* malloc CSR pointers */
676: HYPRE_Int *hi,*hj;
678: PetscMalloc2(A->rmap->n+1,&hi,dnnz,&hj);
679: for (i = 0; i < A->rmap->n+1; i++) hi[i] = (HYPRE_Int)(diag->i[i]);
680: for (i = 0; i < dnnz; i++) hj[i] = (HYPRE_Int)(diag->j[i]);
681: hypre_CSRMatrixI(hdiag) = hi;
682: hypre_CSRMatrixJ(hdiag) = hj;
683: }
684: hypre_CSRMatrixData(hdiag) = (HYPRE_Complex*)diag->a;
685: hypre_CSRMatrixNumNonzeros(hdiag) = diag->nz;
686: hypre_CSRMatrixSetRownnz(hdiag);
687: hypre_CSRMatrixSetDataOwner(hdiag,0);
689: /* set offdiagonal part */
690: hoffd = hypre_ParCSRMatrixOffd(tA);
691: if (offd) {
692: if (sameint) { /* reuse CSR pointers */
693: hypre_CSRMatrixI(hoffd) = (HYPRE_Int*)offd->i;
694: hypre_CSRMatrixJ(hoffd) = (HYPRE_Int*)offd->j;
695: } else { /* malloc CSR pointers */
696: HYPRE_Int *hi,*hj;
698: PetscMalloc2(A->rmap->n+1,&hi,onnz,&hj);
699: for (i = 0; i < A->rmap->n+1; i++) hi[i] = (HYPRE_Int)(offd->i[i]);
700: for (i = 0; i < onnz; i++) hj[i] = (HYPRE_Int)(offd->j[i]);
701: hypre_CSRMatrixI(hoffd) = hi;
702: hypre_CSRMatrixJ(hoffd) = hj;
703: }
704: hypre_CSRMatrixData(hoffd) = (HYPRE_Complex*)offd->a;
705: hypre_CSRMatrixNumNonzeros(hoffd) = offd->nz;
706: hypre_CSRMatrixSetRownnz(hoffd);
707: hypre_CSRMatrixSetDataOwner(hoffd,0);
708: hypre_ParCSRMatrixSetNumNonzeros(tA);
709: hypre_ParCSRMatrixColMapOffd(tA) = (HYPRE_BigInt*)garray;
710: }
711: *hA = tA;
712: return(0);
713: }
715: static PetscErrorCode MatAIJRestoreParCSR_Private(Mat A, hypre_ParCSRMatrix **hA)
716: {
717: hypre_CSRMatrix *hdiag,*hoffd;
718: PetscBool sameint = (PetscBool)(sizeof(PetscInt) == sizeof(HYPRE_Int));
719: PetscErrorCode ierr;
722: hdiag = hypre_ParCSRMatrixDiag(*hA);
723: hoffd = hypre_ParCSRMatrixOffd(*hA);
724: /* free temporary memory allocated by PETSc */
725: if (!sameint) {
726: HYPRE_Int *hi,*hj;
728: hi = hypre_CSRMatrixI(hdiag);
729: hj = hypre_CSRMatrixJ(hdiag);
730: PetscFree2(hi,hj);
731: if (hoffd) {
732: hi = hypre_CSRMatrixI(hoffd);
733: hj = hypre_CSRMatrixJ(hoffd);
734: PetscFree2(hi,hj);
735: }
736: }
737: /* set pointers to NULL before destroying tA */
738: hypre_CSRMatrixI(hdiag) = NULL;
739: hypre_CSRMatrixJ(hdiag) = NULL;
740: hypre_CSRMatrixData(hdiag) = NULL;
741: hypre_CSRMatrixI(hoffd) = NULL;
742: hypre_CSRMatrixJ(hoffd) = NULL;
743: hypre_CSRMatrixData(hoffd) = NULL;
744: hypre_ParCSRMatrixColMapOffd(*hA) = NULL;
745: hypre_ParCSRMatrixDestroy(*hA);
746: *hA = NULL;
747: return(0);
748: }
750: /* calls RAP from BoomerAMG:
751: the resulting ParCSR will not own the column and row starts
752: It looks like we don't need to have the diagonal entries
753: ordered first in the rows of the diagonal part
754: for boomerAMGBuildCoarseOperator to work */
755: static PetscErrorCode MatHYPRE_ParCSR_RAP(hypre_ParCSRMatrix *hR, hypre_ParCSRMatrix *hA,hypre_ParCSRMatrix *hP, hypre_ParCSRMatrix **hRAP)
756: {
757: HYPRE_Int P_owns_col_starts,R_owns_row_starts;
760: P_owns_col_starts = hypre_ParCSRMatrixOwnsColStarts(hP);
761: R_owns_row_starts = hypre_ParCSRMatrixOwnsRowStarts(hR);
762: PetscStackCallStandard(hypre_BoomerAMGBuildCoarseOperator,(hR,hA,hP,hRAP));
763: PetscStackCallStandard(hypre_ParCSRMatrixSetNumNonzeros,(*hRAP));
764: /* hypre_BoomerAMGBuildCoarseOperator steals the col_starts from P and the row_starts from R */
765: hypre_ParCSRMatrixSetRowStartsOwner(*hRAP,0);
766: hypre_ParCSRMatrixSetColStartsOwner(*hRAP,0);
767: if (P_owns_col_starts) hypre_ParCSRMatrixSetColStartsOwner(hP,1);
768: if (R_owns_row_starts) hypre_ParCSRMatrixSetRowStartsOwner(hR,1);
769: return(0);
770: }
772: static PetscErrorCode MatPtAPNumeric_AIJ_AIJ_wHYPRE(Mat A,Mat P,Mat C)
773: {
774: Mat B;
775: hypre_ParCSRMatrix *hA,*hP,*hPtAP;
776: PetscErrorCode ierr;
777: Mat_Product *product=C->product;
780: MatAIJGetParCSR_Private(A,&hA);
781: MatAIJGetParCSR_Private(P,&hP);
782: MatHYPRE_ParCSR_RAP(hP,hA,hP,&hPtAP);
783: MatCreateFromParCSR(hPtAP,MATAIJ,PETSC_OWN_POINTER,&B);
785: MatHeaderMerge(C,&B);
786: C->product = product;
788: MatAIJRestoreParCSR_Private(A,&hA);
789: MatAIJRestoreParCSR_Private(P,&hP);
790: return(0);
791: }
793: PETSC_INTERN PetscErrorCode MatPtAPSymbolic_AIJ_AIJ_wHYPRE(Mat A,Mat P,PetscReal fill,Mat C)
794: {
798: MatSetType(C,MATAIJ);
799: C->ops->ptapnumeric = MatPtAPNumeric_AIJ_AIJ_wHYPRE;
800: C->ops->productnumeric = MatProductNumeric_PtAP;
801: return(0);
802: }
804: static PetscErrorCode MatPtAPNumeric_AIJ_HYPRE(Mat A,Mat P,Mat C)
805: {
806: Mat B;
807: Mat_HYPRE *hP;
808: hypre_ParCSRMatrix *hA = NULL,*Pparcsr,*ptapparcsr;
809: HYPRE_Int type;
810: MPI_Comm comm = PetscObjectComm((PetscObject)A);
811: PetscBool ishypre;
812: PetscErrorCode ierr;
815: PetscObjectTypeCompare((PetscObject)P,MATHYPRE,&ishypre);
816: if (!ishypre) SETERRQ1(comm,PETSC_ERR_USER,"P should be of type %s",MATHYPRE);
817: hP = (Mat_HYPRE*)P->data;
818: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hP->ij,&type));
819: if (type != HYPRE_PARCSR) SETERRQ(comm,PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
820: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hP->ij,(void**)&Pparcsr));
822: MatAIJGetParCSR_Private(A,&hA);
823: MatHYPRE_ParCSR_RAP(Pparcsr,hA,Pparcsr,&ptapparcsr);
824: MatAIJRestoreParCSR_Private(A,&hA);
826: /* create temporary matrix and merge to C */
827: MatCreateFromParCSR(ptapparcsr,((PetscObject)C)->type_name,PETSC_OWN_POINTER,&B);
828: MatHeaderMerge(C,&B);
829: return(0);
830: }
832: static PetscErrorCode MatPtAPNumeric_HYPRE_HYPRE(Mat A,Mat P,Mat C)
833: {
834: Mat B;
835: hypre_ParCSRMatrix *Aparcsr,*Pparcsr,*ptapparcsr;
836: Mat_HYPRE *hA,*hP;
837: PetscBool ishypre;
838: HYPRE_Int type;
839: PetscErrorCode ierr;
842: PetscObjectTypeCompare((PetscObject)P,MATHYPRE,&ishypre);
843: if (!ishypre) SETERRQ1(PetscObjectComm((PetscObject)P),PETSC_ERR_USER,"P should be of type %s",MATHYPRE);
844: PetscObjectTypeCompare((PetscObject)A,MATHYPRE,&ishypre);
845: if (!ishypre) SETERRQ1(PetscObjectComm((PetscObject)A),PETSC_ERR_USER,"A should be of type %s",MATHYPRE);
846: hA = (Mat_HYPRE*)A->data;
847: hP = (Mat_HYPRE*)P->data;
848: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hA->ij,&type));
849: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
850: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hP->ij,&type));
851: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)P),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
852: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)&Aparcsr));
853: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hP->ij,(void**)&Pparcsr));
854: MatHYPRE_ParCSR_RAP(Pparcsr,Aparcsr,Pparcsr,&ptapparcsr);
855: MatCreateFromParCSR(ptapparcsr,MATHYPRE,PETSC_OWN_POINTER,&B);
856: MatHeaderMerge(C,&B);
857: return(0);
858: }
860: /* calls hypre_ParMatmul
861: hypre_ParMatMul uses hypre_ParMatrixCreate with the communicator of hA
862: hypre_ParMatrixCreate does not duplicate the communicator
863: It looks like we don't need to have the diagonal entries
864: ordered first in the rows of the diagonal part
865: for boomerAMGBuildCoarseOperator to work */
866: static PetscErrorCode MatHYPRE_ParCSR_MatMatMult(hypre_ParCSRMatrix *hA, hypre_ParCSRMatrix *hB, hypre_ParCSRMatrix **hAB)
867: {
869: PetscStackPush("hypre_ParMatmul");
870: *hAB = hypre_ParMatmul(hA,hB);
871: PetscStackPop;
872: return(0);
873: }
875: static PetscErrorCode MatMatMultNumeric_AIJ_AIJ_wHYPRE(Mat A,Mat B,Mat C)
876: {
877: Mat D;
878: hypre_ParCSRMatrix *hA,*hB,*hAB = NULL;
879: PetscErrorCode ierr;
880: Mat_Product *product=C->product;
883: MatAIJGetParCSR_Private(A,&hA);
884: MatAIJGetParCSR_Private(B,&hB);
885: MatHYPRE_ParCSR_MatMatMult(hA,hB,&hAB);
886: MatCreateFromParCSR(hAB,MATAIJ,PETSC_OWN_POINTER,&D);
888: MatHeaderMerge(C,&D);
889: C->product = product;
891: MatAIJRestoreParCSR_Private(A,&hA);
892: MatAIJRestoreParCSR_Private(B,&hB);
893: return(0);
894: }
896: PETSC_INTERN PetscErrorCode MatMatMultSymbolic_AIJ_AIJ_wHYPRE(Mat A,Mat B,PetscReal fill,Mat C)
897: {
901: MatSetType(C,MATAIJ);
902: C->ops->matmultnumeric = MatMatMultNumeric_AIJ_AIJ_wHYPRE;
903: C->ops->productnumeric = MatProductNumeric_AB;
904: return(0);
905: }
907: static PetscErrorCode MatMatMultNumeric_HYPRE_HYPRE(Mat A,Mat B,Mat C)
908: {
909: Mat D;
910: hypre_ParCSRMatrix *Aparcsr,*Bparcsr,*ABparcsr = NULL;
911: Mat_HYPRE *hA,*hB;
912: PetscBool ishypre;
913: HYPRE_Int type;
914: PetscErrorCode ierr;
915: Mat_Product *product;
918: PetscObjectTypeCompare((PetscObject)B,MATHYPRE,&ishypre);
919: if (!ishypre) SETERRQ1(PetscObjectComm((PetscObject)B),PETSC_ERR_USER,"B should be of type %s",MATHYPRE);
920: PetscObjectTypeCompare((PetscObject)A,MATHYPRE,&ishypre);
921: if (!ishypre) SETERRQ1(PetscObjectComm((PetscObject)A),PETSC_ERR_USER,"A should be of type %s",MATHYPRE);
922: hA = (Mat_HYPRE*)A->data;
923: hB = (Mat_HYPRE*)B->data;
924: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hA->ij,&type));
925: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
926: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hB->ij,&type));
927: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)B),PETSC_ERR_SUP,"Only HYPRE_PARCSR is supported");
928: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)&Aparcsr));
929: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hB->ij,(void**)&Bparcsr));
930: MatHYPRE_ParCSR_MatMatMult(Aparcsr,Bparcsr,&ABparcsr);
931: MatCreateFromParCSR(ABparcsr,MATHYPRE,PETSC_OWN_POINTER,&D);
933: /* need to use HeaderReplace because HeaderMerge messes up with the communicator */
934: product = C->product; /* save it from MatHeaderReplace() */
935: C->product = NULL;
936: MatHeaderReplace(C,&D);
937: C->product = product;
938: C->ops->matmultnumeric = MatMatMultNumeric_HYPRE_HYPRE;
939: C->ops->productnumeric = MatProductNumeric_AB;
940: return(0);
941: }
943: PETSC_INTERN PetscErrorCode MatTransposeMatMatMultNumeric_AIJ_AIJ_AIJ_wHYPRE(Mat A,Mat B,Mat C,Mat D)
944: {
945: Mat E;
946: hypre_ParCSRMatrix *hA,*hB,*hC,*hABC;
947: PetscErrorCode ierr;
950: MatAIJGetParCSR_Private(A,&hA);
951: MatAIJGetParCSR_Private(B,&hB);
952: MatAIJGetParCSR_Private(C,&hC);
953: MatHYPRE_ParCSR_RAP(hA,hB,hC,&hABC);
954: MatCreateFromParCSR(hABC,MATAIJ,PETSC_OWN_POINTER,&E);
955: MatHeaderMerge(D,&E);
956: MatAIJRestoreParCSR_Private(A,&hA);
957: MatAIJRestoreParCSR_Private(B,&hB);
958: MatAIJRestoreParCSR_Private(C,&hC);
959: return(0);
960: }
962: PETSC_INTERN PetscErrorCode MatTransposeMatMatMultSymbolic_AIJ_AIJ_AIJ_wHYPRE(Mat A,Mat B,Mat C,PetscReal fill,Mat D)
963: {
967: MatSetType(D,MATAIJ);
968: return(0);
969: }
971: /* ---------------------------------------------------- */
972: static PetscErrorCode MatProductSymbolic_AB_HYPRE(Mat C)
973: {
975: C->ops->productnumeric = MatProductNumeric_AB;
976: return(0);
977: }
979: static PetscErrorCode MatProductSetFromOptions_HYPRE_AB(Mat C)
980: {
982: Mat_Product *product = C->product;
983: PetscBool Ahypre;
986: PetscObjectTypeCompare((PetscObject)product->A,MATHYPRE,&Ahypre);
987: if (Ahypre) { /* A is a Hypre matrix */
988: MatSetType(C,MATHYPRE);
989: C->ops->productsymbolic = MatProductSymbolic_AB_HYPRE;
990: C->ops->matmultnumeric = MatMatMultNumeric_HYPRE_HYPRE;
991: return(0);
992: }
993: return(0);
994: }
996: static PetscErrorCode MatProductSymbolic_PtAP_HYPRE(Mat C)
997: {
999: C->ops->productnumeric = MatProductNumeric_PtAP;
1000: return(0);
1001: }
1003: static PetscErrorCode MatProductSetFromOptions_HYPRE_PtAP(Mat C)
1004: {
1006: Mat_Product *product = C->product;
1007: PetscBool flg;
1008: PetscInt type = 0;
1009: const char *outTypes[4] = {"aij","seqaij","mpiaij","hypre"};
1010: PetscInt ntype = 4;
1011: Mat A = product->A;
1012: PetscBool Ahypre;
1015: PetscObjectTypeCompare((PetscObject)A,MATHYPRE,&Ahypre);
1016: if (Ahypre) { /* A is a Hypre matrix */
1017: MatSetType(C,MATHYPRE);
1018: C->ops->productsymbolic = MatProductSymbolic_PtAP_HYPRE;
1019: C->ops->ptapnumeric = MatPtAPNumeric_HYPRE_HYPRE;
1020: return(0);
1021: }
1023: /* A is AIJ, P is Hypre, C = PtAP can be either AIJ or Hypre format */
1024: /* Get runtime option */
1025: if (product->api_user) {
1026: PetscOptionsBegin(PetscObjectComm((PetscObject)C),((PetscObject)C)->prefix,"MatPtAP_HYPRE","Mat");
1027: PetscOptionsEList("-matptap_hypre_outtype","MatPtAP outtype","MatPtAP outtype",outTypes,ntype,outTypes[type],&type,&flg);
1028: PetscOptionsEnd();
1029: } else {
1030: PetscOptionsBegin(PetscObjectComm((PetscObject)C),((PetscObject)C)->prefix,"MatProduct_PtAP_HYPRE","Mat");
1031: PetscOptionsEList("-matproduct_ptap_hypre_outtype","MatProduct_PtAP outtype","MatProduct_PtAP",outTypes,ntype,outTypes[type],&type,&flg);
1032: PetscOptionsEnd();
1033: }
1035: if (type == 0 || type == 1 || type == 2) {
1036: MatSetType(C,MATAIJ);
1037: } else if (type == 3) {
1038: MatSetType(C,MATHYPRE);
1039: } else SETERRQ(PetscObjectComm((PetscObject)C),PETSC_ERR_SUP,"MatPtAP outtype is not supported");
1040: C->ops->productsymbolic = MatProductSymbolic_PtAP_HYPRE;
1041: C->ops->ptapnumeric = MatPtAPNumeric_AIJ_HYPRE;
1042: return(0);
1043: }
1045: static PetscErrorCode MatProductSetFromOptions_HYPRE(Mat C)
1046: {
1048: Mat_Product *product = C->product;
1051: switch (product->type) {
1052: case MATPRODUCT_AB:
1053: MatProductSetFromOptions_HYPRE_AB(C);
1054: break;
1055: case MATPRODUCT_PtAP:
1056: MatProductSetFromOptions_HYPRE_PtAP(C);
1057: break;
1058: default:
1059: break;
1060: }
1061: return(0);
1062: }
1064: /* -------------------------------------------------------- */
1066: static PetscErrorCode MatMultTranspose_HYPRE(Mat A, Vec x, Vec y)
1067: {
1071: MatHYPRE_MultKernel_Private(A,1.0,x,0.0,y,PETSC_TRUE);
1072: return(0);
1073: }
1075: static PetscErrorCode MatMult_HYPRE(Mat A, Vec x, Vec y)
1076: {
1080: MatHYPRE_MultKernel_Private(A,1.0,x,0.0,y,PETSC_FALSE);
1081: return(0);
1082: }
1084: static PetscErrorCode MatMultAdd_HYPRE(Mat A, Vec x, Vec y, Vec z)
1085: {
1089: if (y != z) {
1090: VecCopy(y,z);
1091: }
1092: MatHYPRE_MultKernel_Private(A,1.0,x,1.0,z,PETSC_FALSE);
1093: return(0);
1094: }
1096: static PetscErrorCode MatMultTransposeAdd_HYPRE(Mat A, Vec x, Vec y, Vec z)
1097: {
1101: if (y != z) {
1102: VecCopy(y,z);
1103: }
1104: MatHYPRE_MultKernel_Private(A,1.0,x,1.0,z,PETSC_TRUE);
1105: return(0);
1106: }
1108: /* y = a * A * x + b * y or y = a * A^t * x + b * y depending on trans */
1109: static PetscErrorCode MatHYPRE_MultKernel_Private(Mat A, HYPRE_Complex a, Vec x, HYPRE_Complex b, Vec y, PetscBool trans)
1110: {
1111: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1112: hypre_ParCSRMatrix *parcsr;
1113: hypre_ParVector *hx,*hy;
1114: HYPRE_Complex *ax,*ay,*sax,*say;
1115: PetscErrorCode ierr;
1118: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)&parcsr));
1119: PetscStackCallStandard(HYPRE_IJVectorGetObject,(hA->x,(void**)&hx));
1120: PetscStackCallStandard(HYPRE_IJVectorGetObject,(hA->b,(void**)&hy));
1121: VecGetArrayRead(x,(const PetscScalar**)&ax);
1122: VecGetArray(y,(PetscScalar**)&ay);
1123: if (trans) {
1124: VecHYPRE_ParVectorReplacePointer(hA->x,ay,say);
1125: VecHYPRE_ParVectorReplacePointer(hA->b,ax,sax);
1126: hypre_ParCSRMatrixMatvecT(a,parcsr,hy,b,hx);
1127: VecHYPRE_ParVectorReplacePointer(hA->x,say,ay);
1128: VecHYPRE_ParVectorReplacePointer(hA->b,sax,ax);
1129: } else {
1130: VecHYPRE_ParVectorReplacePointer(hA->x,ax,sax);
1131: VecHYPRE_ParVectorReplacePointer(hA->b,ay,say);
1132: hypre_ParCSRMatrixMatvec(a,parcsr,hx,b,hy);
1133: VecHYPRE_ParVectorReplacePointer(hA->x,sax,ax);
1134: VecHYPRE_ParVectorReplacePointer(hA->b,say,ay);
1135: }
1136: VecRestoreArrayRead(x,(const PetscScalar**)&ax);
1137: VecRestoreArray(y,(PetscScalar**)&ay);
1138: return(0);
1139: }
1141: static PetscErrorCode MatDestroy_HYPRE(Mat A)
1142: {
1143: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1147: if (hA->x) PetscStackCallStandard(HYPRE_IJVectorDestroy,(hA->x));
1148: if (hA->b) PetscStackCallStandard(HYPRE_IJVectorDestroy,(hA->b));
1149: if (hA->ij) {
1150: if (!hA->inner_free) hypre_IJMatrixObject(hA->ij) = NULL;
1151: PetscStackCallStandard(HYPRE_IJMatrixDestroy,(hA->ij));
1152: }
1153: if (hA->comm) {MPI_Comm_free(&hA->comm);}
1155: MatStashDestroy_Private(&A->stash);
1157: PetscFree(hA->array);
1159: PetscObjectComposeFunction((PetscObject)A,"MatConvert_hypre_aij_C",NULL);
1160: PetscObjectComposeFunction((PetscObject)A,"MatConvert_hypre_is_C",NULL);
1161: PetscObjectComposeFunction((PetscObject)A,"MatProductSetFromOptions_seqaij_hypre_C",NULL);
1162: PetscObjectComposeFunction((PetscObject)A,"MatProductSetFromOptions_mpiaij_hypre_C",NULL);
1163: PetscObjectComposeFunction((PetscObject)A,"MatHYPRESetPreallocation_C",NULL);
1164: PetscObjectComposeFunction((PetscObject)A,"MatHYPREGetParCSR_C",NULL);
1165: PetscFree(A->data);
1166: return(0);
1167: }
1169: static PetscErrorCode MatSetUp_HYPRE(Mat A)
1170: {
1174: MatHYPRESetPreallocation(A,PETSC_DEFAULT,NULL,PETSC_DEFAULT,NULL);
1175: return(0);
1176: }
1178: static PetscErrorCode MatAssemblyEnd_HYPRE(Mat A, MatAssemblyType mode)
1179: {
1180: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1181: Vec x,b;
1182: PetscMPIInt n;
1183: PetscInt i,j,rstart,ncols,flg;
1184: PetscInt *row,*col;
1185: PetscScalar *val;
1186: PetscErrorCode ierr;
1189: if (mode == MAT_FLUSH_ASSEMBLY) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"MAT_FLUSH_ASSEMBLY currently not supported with MATHYPRE");
1191: if (!A->nooffprocentries) {
1192: while (1) {
1193: MatStashScatterGetMesg_Private(&A->stash,&n,&row,&col,&val,&flg);
1194: if (!flg) break;
1196: for (i=0; i<n;) {
1197: /* Now identify the consecutive vals belonging to the same row */
1198: for (j=i,rstart=row[j]; j<n; j++) {
1199: if (row[j] != rstart) break;
1200: }
1201: if (j < n) ncols = j-i;
1202: else ncols = n-i;
1203: /* Now assemble all these values with a single function call */
1204: MatSetValues_HYPRE(A,1,row+i,ncols,col+i,val+i,A->insertmode);
1206: i = j;
1207: }
1208: }
1209: MatStashScatterEnd_Private(&A->stash);
1210: }
1212: PetscStackCallStandard(HYPRE_IJMatrixAssemble,(hA->ij));
1213: /* The assembly routine destroys the aux_matrix, we recreate it here by calling HYPRE_IJMatrixInitialize */
1214: /* If the option MAT_SORTED_FULL is set to true, the indices and values can be passed to hypre directly, so we don't need the aux_matrix */
1215: if (!hA->sorted_full) {
1216: hypre_AuxParCSRMatrix *aux_matrix;
1218: /* call destroy just to make sure we do not leak anything */
1219: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(hA->ij);
1220: PetscStackCallStandard(hypre_AuxParCSRMatrixDestroy,(aux_matrix));
1221: hypre_IJMatrixTranslator(hA->ij) = NULL;
1223: /* Initialize with assembled flag -> it only recreates the aux_par_matrix */
1224: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(hA->ij));
1225: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(hA->ij);
1226: hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 1; /* see comment in MatHYPRESetPreallocation_HYPRE */
1227: #if PETSC_PKG_HYPRE_VERSION_LT(2,19,0)
1228: PetscStackCallStandard(hypre_AuxParCSRMatrixInitialize,(aux_matrix));
1229: #else
1230: PetscStackCallStandard(hypre_AuxParCSRMatrixInitialize_v2,(aux_matrix,HYPRE_MEMORY_HOST));
1231: #endif
1232: }
1233: if (hA->x) return(0);
1234: PetscLayoutSetUp(A->rmap);
1235: PetscLayoutSetUp(A->cmap);
1236: VecCreateMPIWithArray(PetscObjectComm((PetscObject)A),1,A->cmap->n,A->cmap->N,NULL,&x);
1237: VecCreateMPIWithArray(PetscObjectComm((PetscObject)A),1,A->rmap->n,A->rmap->N,NULL,&b);
1238: VecHYPRE_IJVectorCreate(x,&hA->x);
1239: VecHYPRE_IJVectorCreate(b,&hA->b);
1240: VecDestroy(&x);
1241: VecDestroy(&b);
1242: return(0);
1243: }
1245: static PetscErrorCode MatGetArray_HYPRE(Mat A, PetscInt size, void **array)
1246: {
1247: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1248: PetscErrorCode ierr;
1251: if (!hA->available) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_NULL,"Temporary space is in use");
1253: if (hA->size >= size) {
1254: *array = hA->array;
1255: } else {
1256: PetscFree(hA->array);
1257: hA->size = size;
1258: PetscMalloc(hA->size,&hA->array);
1259: *array = hA->array;
1260: }
1262: hA->available = PETSC_FALSE;
1263: return(0);
1264: }
1266: static PetscErrorCode MatRestoreArray_HYPRE(Mat A, void **array)
1267: {
1268: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1271: *array = NULL;
1272: hA->available = PETSC_TRUE;
1273: return(0);
1274: }
1276: PetscErrorCode MatSetValues_HYPRE(Mat A, PetscInt nr, const PetscInt rows[], PetscInt nc, const PetscInt cols[], const PetscScalar v[], InsertMode ins)
1277: {
1278: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1279: PetscScalar *vals = (PetscScalar *)v;
1280: HYPRE_Complex *sscr;
1281: PetscInt *cscr[2];
1282: PetscInt i,nzc;
1283: void *array = NULL;
1284: PetscErrorCode ierr;
1287: MatGetArray_HYPRE(A,sizeof(PetscInt)*(2*nc)+sizeof(HYPRE_Complex)*nc*nr,&array);
1288: cscr[0] = (PetscInt*)array;
1289: cscr[1] = ((PetscInt*)array)+nc;
1290: sscr = (HYPRE_Complex*)(((PetscInt*)array)+nc*2);
1291: for (i=0,nzc=0;i<nc;i++) {
1292: if (cols[i] >= 0) {
1293: cscr[0][nzc ] = cols[i];
1294: cscr[1][nzc++] = i;
1295: }
1296: }
1297: if (!nzc) {
1298: MatRestoreArray_HYPRE(A,&array);
1299: return(0);
1300: }
1302: if (ins == ADD_VALUES) {
1303: for (i=0;i<nr;i++) {
1304: if (rows[i] >= 0 && nzc) {
1305: PetscInt j;
1306: HYPRE_Int hnc = (HYPRE_Int)nzc;
1308: if ((PetscInt)hnc != nzc) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Hypre overflow! number of columns %D for row %D",nzc,rows[i]);
1309: for (j=0;j<nzc;j++) { PetscHYPREScalarCast(vals[cscr[1][j]],&sscr[j]); }
1310: PetscStackCallStandard(HYPRE_IJMatrixAddToValues,(hA->ij,1,&hnc,(HYPRE_BigInt*)(rows+i),(HYPRE_BigInt*)cscr[0],sscr));
1311: }
1312: vals += nc;
1313: }
1314: } else { /* INSERT_VALUES */
1315: PetscInt rst,ren;
1317: MatGetOwnershipRange(A,&rst,&ren);
1318: for (i=0;i<nr;i++) {
1319: if (rows[i] >= 0 && nzc) {
1320: PetscInt j;
1321: HYPRE_Int hnc = (HYPRE_Int)nzc;
1323: if ((PetscInt)hnc != nzc) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Hypre overflow! number of columns %D for row %D",nzc,rows[i]);
1324: for (j=0;j<nzc;j++) { PetscHYPREScalarCast(vals[cscr[1][j]],&sscr[j]); }
1325: /* nonlocal values */
1326: if (rows[i] < rst || rows[i] >= ren) { MatStashValuesRow_Private(&A->stash,rows[i],nzc,cscr[0],(PetscScalar*)sscr,PETSC_FALSE); }
1327: /* local values */
1328: else PetscStackCallStandard(HYPRE_IJMatrixSetValues,(hA->ij,1,&hnc,(HYPRE_BigInt*)(rows+i),(HYPRE_BigInt*)cscr[0],sscr));
1329: }
1330: vals += nc;
1331: }
1332: }
1334: MatRestoreArray_HYPRE(A,&array);
1335: return(0);
1336: }
1338: static PetscErrorCode MatHYPRESetPreallocation_HYPRE(Mat A, PetscInt dnz, const PetscInt dnnz[], PetscInt onz, const PetscInt onnz[])
1339: {
1340: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1341: HYPRE_Int *hdnnz,*honnz;
1342: PetscInt i,rs,re,cs,ce,bs;
1343: PetscMPIInt size;
1347: MatGetBlockSize(A,&bs);
1348: PetscLayoutSetUp(A->rmap);
1349: PetscLayoutSetUp(A->cmap);
1350: rs = A->rmap->rstart;
1351: re = A->rmap->rend;
1352: cs = A->cmap->rstart;
1353: ce = A->cmap->rend;
1354: if (!hA->ij) {
1355: PetscStackCallStandard(HYPRE_IJMatrixCreate,(hA->comm,rs,re-1,cs,ce-1,&hA->ij));
1356: PetscStackCallStandard(HYPRE_IJMatrixSetObjectType,(hA->ij,HYPRE_PARCSR));
1357: } else {
1358: HYPRE_BigInt hrs,hre,hcs,hce;
1359: PetscStackCallStandard(HYPRE_IJMatrixGetLocalRange,(hA->ij,&hrs,&hre,&hcs,&hce));
1360: if (hre-hrs+1 != re -rs) SETERRQ4(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Inconsistent local rows: IJMatrix [%D,%D), PETSc [%D,%D)",hrs,hre+1,rs,re);
1361: if (hce-hcs+1 != ce -cs) SETERRQ4(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Inconsistent local cols: IJMatrix [%D,%D), PETSc [%D,%D)",hcs,hce+1,cs,ce);
1362: }
1363: if (dnz == PETSC_DEFAULT || dnz == PETSC_DECIDE) dnz = 10*bs;
1364: if (onz == PETSC_DEFAULT || onz == PETSC_DECIDE) onz = 10*bs;
1366: if (!dnnz) {
1367: PetscMalloc1(A->rmap->n,&hdnnz);
1368: for (i=0;i<A->rmap->n;i++) hdnnz[i] = dnz;
1369: } else {
1370: hdnnz = (HYPRE_Int*)dnnz;
1371: }
1372: MPI_Comm_size(PetscObjectComm((PetscObject)A),&size);
1373: if (size > 1) {
1374: hypre_AuxParCSRMatrix *aux_matrix;
1375: if (!onnz) {
1376: PetscMalloc1(A->rmap->n,&honnz);
1377: for (i=0;i<A->rmap->n;i++) honnz[i] = onz;
1378: } else honnz = (HYPRE_Int*)onnz;
1379: /* SetDiagOffdSizes sets hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 0, since it seems
1380: they assume the user will input the entire row values, properly sorted
1381: In PETSc, we don't make such an assumption and set this flag to 1,
1382: unless the option MAT_SORTED_FULL is set to true.
1383: Also, to avoid possible memory leaks, we destroy and recreate the translator
1384: This has to be done here, as HYPRE_IJMatrixInitialize will properly initialize
1385: the IJ matrix for us */
1386: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(hA->ij);
1387: hypre_AuxParCSRMatrixDestroy(aux_matrix);
1388: hypre_IJMatrixTranslator(hA->ij) = NULL;
1389: PetscStackCallStandard(HYPRE_IJMatrixSetDiagOffdSizes,(hA->ij,hdnnz,honnz));
1390: aux_matrix = (hypre_AuxParCSRMatrix*)hypre_IJMatrixTranslator(hA->ij);
1391: hypre_AuxParCSRMatrixNeedAux(aux_matrix) = !hA->sorted_full;
1392: } else {
1393: honnz = NULL;
1394: PetscStackCallStandard(HYPRE_IJMatrixSetRowSizes,(hA->ij,hdnnz));
1395: }
1397: /* reset assembled flag and call the initialize method */
1398: hypre_IJMatrixAssembleFlag(hA->ij) = 0;
1399: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(hA->ij));
1400: if (!dnnz) {
1401: PetscFree(hdnnz);
1402: }
1403: if (!onnz && honnz) {
1404: PetscFree(honnz);
1405: }
1407: /* Match AIJ logic */
1408: A->preallocated = PETSC_TRUE;
1409: A->assembled = PETSC_FALSE;
1410: return(0);
1411: }
1413: /*@C
1414: MatHYPRESetPreallocation - Preallocates memory for a sparse parallel matrix in HYPRE IJ format
1416: Collective on Mat
1418: Input Parameters:
1419: + A - the matrix
1420: . dnz - number of nonzeros per row in DIAGONAL portion of local submatrix
1421: (same value is used for all local rows)
1422: . dnnz - array containing the number of nonzeros in the various rows of the
1423: DIAGONAL portion of the local submatrix (possibly different for each row)
1424: or NULL (PETSC_NULL_INTEGER in Fortran), if d_nz is used to specify the nonzero structure.
1425: The size of this array is equal to the number of local rows, i.e 'm'.
1426: For matrices that will be factored, you must leave room for (and set)
1427: the diagonal entry even if it is zero.
1428: . onz - number of nonzeros per row in the OFF-DIAGONAL portion of local
1429: submatrix (same value is used for all local rows).
1430: - onnz - array containing the number of nonzeros in the various rows of the
1431: OFF-DIAGONAL portion of the local submatrix (possibly different for
1432: each row) or NULL (PETSC_NULL_INTEGER in Fortran), if o_nz is used to specify the nonzero
1433: structure. The size of this array is equal to the number
1434: of local rows, i.e 'm'.
1436: Notes:
1437: If the *nnz parameter is given then the *nz parameter is ignored; for sequential matrices, onz and onnz are ignored.
1439: Level: intermediate
1441: .seealso: MatCreate(), MatMPIAIJSetPreallocation(), MATHYPRE
1442: @*/
1443: PetscErrorCode MatHYPRESetPreallocation(Mat A, PetscInt dnz, const PetscInt dnnz[], PetscInt onz, const PetscInt onnz[])
1444: {
1450: PetscTryMethod(A,"MatHYPRESetPreallocation_C",(Mat,PetscInt,const PetscInt[],PetscInt,const PetscInt[]),(A,dnz,dnnz,onz,onnz));
1451: return(0);
1452: }
1454: /*
1455: MatCreateFromParCSR - Creates a matrix from a hypre_ParCSRMatrix
1457: Collective
1459: Input Parameters:
1460: + parcsr - the pointer to the hypre_ParCSRMatrix
1461: . mtype - matrix type to be created. Currently MATAIJ, MATIS and MATHYPRE are supported.
1462: - copymode - PETSc copying options
1464: Output Parameter:
1465: . A - the matrix
1467: Level: intermediate
1469: .seealso: MatHYPRE, PetscCopyMode
1470: */
1471: PETSC_EXTERN PetscErrorCode MatCreateFromParCSR(hypre_ParCSRMatrix *parcsr, MatType mtype, PetscCopyMode copymode, Mat* A)
1472: {
1473: Mat T;
1474: Mat_HYPRE *hA;
1475: MPI_Comm comm;
1476: PetscInt rstart,rend,cstart,cend,M,N;
1477: PetscBool isseqaij,isseqaijmkl,ismpiaij,isaij,ishyp,isis;
1478: PetscErrorCode ierr;
1481: comm = hypre_ParCSRMatrixComm(parcsr);
1482: PetscStrcmp(mtype,MATSEQAIJ,&isseqaij);
1483: PetscStrcmp(mtype,MATSEQAIJMKL,&isseqaijmkl);
1484: PetscStrcmp(mtype,MATMPIAIJ,&ismpiaij);
1485: PetscStrcmp(mtype,MATAIJ,&isaij);
1486: PetscStrcmp(mtype,MATHYPRE,&ishyp);
1487: PetscStrcmp(mtype,MATIS,&isis);
1488: isaij = (PetscBool)(isseqaij || isseqaijmkl || ismpiaij || isaij);
1489: if (!isaij && !ishyp && !isis) SETERRQ7(comm,PETSC_ERR_SUP,"Unsupported MatType %s! Supported types are %s, %s, %s, %s, %s, and %s",mtype,MATAIJ,MATSEQAIJ,MATSEQAIJMKL,MATMPIAIJ,MATIS,MATHYPRE);
1490: /* access ParCSRMatrix */
1491: rstart = hypre_ParCSRMatrixFirstRowIndex(parcsr);
1492: rend = hypre_ParCSRMatrixLastRowIndex(parcsr);
1493: cstart = hypre_ParCSRMatrixFirstColDiag(parcsr);
1494: cend = hypre_ParCSRMatrixLastColDiag(parcsr);
1495: M = hypre_ParCSRMatrixGlobalNumRows(parcsr);
1496: N = hypre_ParCSRMatrixGlobalNumCols(parcsr);
1498: /* fix for empty local rows/columns */
1499: if (rend < rstart) rend = rstart;
1500: if (cend < cstart) cend = cstart;
1502: /* PETSc convention */
1503: rend++;
1504: cend++;
1505: rend = PetscMin(rend,M);
1506: cend = PetscMin(cend,N);
1508: /* create PETSc matrix with MatHYPRE */
1509: MatCreate(comm,&T);
1510: MatSetSizes(T,rend-rstart,cend-cstart,M,N);
1511: MatSetType(T,MATHYPRE);
1512: hA = (Mat_HYPRE*)(T->data);
1514: /* create HYPRE_IJMatrix */
1515: PetscStackCallStandard(HYPRE_IJMatrixCreate,(hA->comm,rstart,rend-1,cstart,cend-1,&hA->ij));
1516: PetscStackCallStandard(HYPRE_IJMatrixSetObjectType,(hA->ij,HYPRE_PARCSR));
1518: /* create new ParCSR object if needed */
1519: if (ishyp && copymode == PETSC_COPY_VALUES) {
1520: hypre_ParCSRMatrix *new_parcsr;
1521: hypre_CSRMatrix *hdiag,*hoffd,*ndiag,*noffd;
1523: new_parcsr = hypre_ParCSRMatrixClone(parcsr,0);
1524: hdiag = hypre_ParCSRMatrixDiag(parcsr);
1525: hoffd = hypre_ParCSRMatrixOffd(parcsr);
1526: ndiag = hypre_ParCSRMatrixDiag(new_parcsr);
1527: noffd = hypre_ParCSRMatrixOffd(new_parcsr);
1528: PetscArraycpy(hypre_CSRMatrixData(ndiag),hypre_CSRMatrixData(hdiag),hypre_CSRMatrixNumNonzeros(hdiag));
1529: PetscArraycpy(hypre_CSRMatrixData(noffd),hypre_CSRMatrixData(hoffd),hypre_CSRMatrixNumNonzeros(hoffd));
1530: parcsr = new_parcsr;
1531: copymode = PETSC_OWN_POINTER;
1532: }
1534: /* set ParCSR object */
1535: hypre_IJMatrixObject(hA->ij) = parcsr;
1536: T->preallocated = PETSC_TRUE;
1538: /* set assembled flag */
1539: hypre_IJMatrixAssembleFlag(hA->ij) = 1;
1540: PetscStackCallStandard(HYPRE_IJMatrixInitialize,(hA->ij));
1541: if (ishyp) {
1542: PetscMPIInt myid = 0;
1544: /* make sure we always have row_starts and col_starts available */
1545: if (HYPRE_AssumedPartitionCheck()) {
1546: MPI_Comm_rank(comm,&myid);
1547: }
1548: if (!hypre_ParCSRMatrixOwnsColStarts(parcsr)) {
1549: PetscLayout map;
1551: MatGetLayouts(T,NULL,&map);
1552: PetscLayoutSetUp(map);
1553: hypre_ParCSRMatrixColStarts(parcsr) = (HYPRE_BigInt*)(map->range + myid);
1554: }
1555: if (!hypre_ParCSRMatrixOwnsRowStarts(parcsr)) {
1556: PetscLayout map;
1558: MatGetLayouts(T,&map,NULL);
1559: PetscLayoutSetUp(map);
1560: hypre_ParCSRMatrixRowStarts(parcsr) = (HYPRE_BigInt*)(map->range + myid);
1561: }
1562: /* prevent from freeing the pointer */
1563: if (copymode == PETSC_USE_POINTER) hA->inner_free = PETSC_FALSE;
1564: *A = T;
1565: MatAssemblyBegin(*A,MAT_FINAL_ASSEMBLY);
1566: MatAssemblyEnd(*A,MAT_FINAL_ASSEMBLY);
1567: } else if (isaij) {
1568: if (copymode != PETSC_OWN_POINTER) {
1569: /* prevent from freeing the pointer */
1570: hA->inner_free = PETSC_FALSE;
1571: MatConvert_HYPRE_AIJ(T,MATAIJ,MAT_INITIAL_MATRIX,A);
1572: MatDestroy(&T);
1573: } else { /* AIJ return type with PETSC_OWN_POINTER */
1574: MatConvert_HYPRE_AIJ(T,MATAIJ,MAT_INPLACE_MATRIX,&T);
1575: *A = T;
1576: }
1577: } else if (isis) {
1578: MatConvert_HYPRE_IS(T,MATIS,MAT_INITIAL_MATRIX,A);
1579: if (copymode != PETSC_OWN_POINTER) hA->inner_free = PETSC_FALSE;
1580: MatDestroy(&T);
1581: }
1582: return(0);
1583: }
1585: static PetscErrorCode MatHYPREGetParCSR_HYPRE(Mat A, hypre_ParCSRMatrix **parcsr)
1586: {
1587: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1588: HYPRE_Int type;
1591: if (!hA->ij) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_PLIB,"HYPRE_IJMatrix not present");
1592: PetscStackCallStandard(HYPRE_IJMatrixGetObjectType,(hA->ij,&type));
1593: if (type != HYPRE_PARCSR) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"HYPRE_IJMatrix is not of type HYPRE_PARCSR");
1594: PetscStackCallStandard(HYPRE_IJMatrixGetObject,(hA->ij,(void**)parcsr));
1595: return(0);
1596: }
1598: /*
1599: MatHYPREGetParCSR - Gets the pointer to the ParCSR matrix
1601: Not collective
1603: Input Parameters:
1604: + A - the MATHYPRE object
1606: Output Parameter:
1607: . parcsr - the pointer to the hypre_ParCSRMatrix
1609: Level: intermediate
1611: .seealso: MatHYPRE, PetscCopyMode
1612: */
1613: PetscErrorCode MatHYPREGetParCSR(Mat A, hypre_ParCSRMatrix **parcsr)
1614: {
1620: PetscUseMethod(A,"MatHYPREGetParCSR_C",(Mat,hypre_ParCSRMatrix**),(A,parcsr));
1621: return(0);
1622: }
1624: static PetscErrorCode MatMissingDiagonal_HYPRE(Mat A, PetscBool *missing, PetscInt *dd)
1625: {
1626: hypre_ParCSRMatrix *parcsr;
1627: hypre_CSRMatrix *ha;
1628: PetscInt rst;
1629: PetscErrorCode ierr;
1632: if (A->rmap->n != A->cmap->n) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Not implemented with non-square diagonal blocks");
1633: MatGetOwnershipRange(A,&rst,NULL);
1634: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1635: if (missing) *missing = PETSC_FALSE;
1636: if (dd) *dd = -1;
1637: ha = hypre_ParCSRMatrixDiag(parcsr);
1638: if (ha) {
1639: PetscInt size,i;
1640: HYPRE_Int *ii,*jj;
1642: size = hypre_CSRMatrixNumRows(ha);
1643: ii = hypre_CSRMatrixI(ha);
1644: jj = hypre_CSRMatrixJ(ha);
1645: for (i = 0; i < size; i++) {
1646: PetscInt j;
1647: PetscBool found = PETSC_FALSE;
1649: for (j = ii[i]; j < ii[i+1] && !found; j++)
1650: found = (jj[j] == i) ? PETSC_TRUE : PETSC_FALSE;
1652: if (!found) {
1653: PetscInfo1(A,"Matrix is missing local diagonal entry %D\n",i);
1654: if (missing) *missing = PETSC_TRUE;
1655: if (dd) *dd = i+rst;
1656: return(0);
1657: }
1658: }
1659: if (!size) {
1660: PetscInfo(A,"Matrix has no diagonal entries therefore is missing diagonal\n");
1661: if (missing) *missing = PETSC_TRUE;
1662: if (dd) *dd = rst;
1663: }
1664: } else {
1665: PetscInfo(A,"Matrix has no diagonal entries therefore is missing diagonal\n");
1666: if (missing) *missing = PETSC_TRUE;
1667: if (dd) *dd = rst;
1668: }
1669: return(0);
1670: }
1672: static PetscErrorCode MatScale_HYPRE(Mat A, PetscScalar s)
1673: {
1674: hypre_ParCSRMatrix *parcsr;
1675: hypre_CSRMatrix *ha;
1676: PetscErrorCode ierr;
1677: HYPRE_Complex hs;
1680: PetscHYPREScalarCast(s,&hs);
1681: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1682: /* diagonal part */
1683: ha = hypre_ParCSRMatrixDiag(parcsr);
1684: if (ha) {
1685: PetscInt size,i;
1686: HYPRE_Int *ii;
1687: HYPRE_Complex *a;
1689: size = hypre_CSRMatrixNumRows(ha);
1690: a = hypre_CSRMatrixData(ha);
1691: ii = hypre_CSRMatrixI(ha);
1692: for (i = 0; i < ii[size]; i++) a[i] *= hs;
1693: }
1694: /* offdiagonal part */
1695: ha = hypre_ParCSRMatrixOffd(parcsr);
1696: if (ha) {
1697: PetscInt size,i;
1698: HYPRE_Int *ii;
1699: HYPRE_Complex *a;
1701: size = hypre_CSRMatrixNumRows(ha);
1702: a = hypre_CSRMatrixData(ha);
1703: ii = hypre_CSRMatrixI(ha);
1704: for (i = 0; i < ii[size]; i++) a[i] *= hs;
1705: }
1706: return(0);
1707: }
1709: static PetscErrorCode MatZeroRowsColumns_HYPRE(Mat A, PetscInt numRows, const PetscInt rows[], PetscScalar diag, Vec x, Vec b)
1710: {
1711: hypre_ParCSRMatrix *parcsr;
1712: HYPRE_Int *lrows;
1713: PetscInt rst,ren,i;
1714: PetscErrorCode ierr;
1717: if (x || b) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"To be implemented");
1718: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1719: PetscMalloc1(numRows,&lrows);
1720: MatGetOwnershipRange(A,&rst,&ren);
1721: for (i=0;i<numRows;i++) {
1722: if (rows[i] < rst || rows[i] >= ren)
1723: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Non-local rows not yet supported");
1724: lrows[i] = rows[i] - rst;
1725: }
1726: PetscStackCallStandard(hypre_ParCSRMatrixEliminateRowsCols,(parcsr,numRows,lrows));
1727: PetscFree(lrows);
1728: return(0);
1729: }
1731: static PetscErrorCode MatZeroEntries_HYPRE_CSRMatrix(hypre_CSRMatrix *ha)
1732: {
1733: PetscErrorCode ierr;
1736: if (ha) {
1737: HYPRE_Int *ii, size;
1738: HYPRE_Complex *a;
1740: size = hypre_CSRMatrixNumRows(ha);
1741: a = hypre_CSRMatrixData(ha);
1742: ii = hypre_CSRMatrixI(ha);
1744: if (a) {PetscArrayzero(a,ii[size]);}
1745: }
1746: return(0);
1747: }
1749: PetscErrorCode MatZeroEntries_HYPRE(Mat A)
1750: {
1751: hypre_ParCSRMatrix *parcsr;
1752: PetscErrorCode ierr;
1755: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1756: /* diagonal part */
1757: MatZeroEntries_HYPRE_CSRMatrix(hypre_ParCSRMatrixDiag(parcsr));
1758: /* off-diagonal part */
1759: MatZeroEntries_HYPRE_CSRMatrix(hypre_ParCSRMatrixOffd(parcsr));
1760: return(0);
1761: }
1763: static PetscErrorCode MatZeroRows_HYPRE_CSRMatrix(hypre_CSRMatrix *hA,PetscInt N,const PetscInt rows[],HYPRE_Complex diag)
1764: {
1765: PetscInt ii;
1766: HYPRE_Int *i, *j;
1767: HYPRE_Complex *a;
1770: if (!hA) return(0);
1772: i = hypre_CSRMatrixI(hA);
1773: j = hypre_CSRMatrixJ(hA);
1774: a = hypre_CSRMatrixData(hA);
1776: for (ii = 0; ii < N; ii++) {
1777: HYPRE_Int jj, ibeg, iend, irow;
1779: irow = rows[ii];
1780: ibeg = i[irow];
1781: iend = i[irow+1];
1782: for (jj = ibeg; jj < iend; jj++)
1783: if (j[jj] == irow) a[jj] = diag;
1784: else a[jj] = 0.0;
1785: }
1786: return(0);
1787: }
1789: static PetscErrorCode MatZeroRows_HYPRE(Mat A,PetscInt N,const PetscInt rows[],PetscScalar diag,Vec x,Vec b)
1790: {
1791: hypre_ParCSRMatrix *parcsr;
1792: PetscInt *lrows,len;
1793: HYPRE_Complex hdiag;
1794: PetscErrorCode ierr;
1797: if (x || b) SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Does not support to modify the solution and the right hand size");
1798: PetscHYPREScalarCast(diag,&hdiag);
1799: /* retrieve the internal matrix */
1800: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1801: /* get locally owned rows */
1802: MatZeroRowsMapLocal_Private(A,N,rows,&len,&lrows);
1803: /* zero diagonal part */
1804: MatZeroRows_HYPRE_CSRMatrix(hypre_ParCSRMatrixDiag(parcsr),len,lrows,hdiag);
1805: /* zero off-diagonal part */
1806: MatZeroRows_HYPRE_CSRMatrix(hypre_ParCSRMatrixOffd(parcsr),len,lrows,0.0);
1808: PetscFree(lrows);
1809: return(0);
1810: }
1812: static PetscErrorCode MatAssemblyBegin_HYPRE(Mat mat,MatAssemblyType mode)
1813: {
1817: if (mat->nooffprocentries) return(0);
1819: MatStashScatterBegin_Private(mat,&mat->stash,mat->rmap->range);
1820: return(0);
1821: }
1823: static PetscErrorCode MatGetRow_HYPRE(Mat A,PetscInt row,PetscInt *nz,PetscInt **idx,PetscScalar **v)
1824: {
1825: hypre_ParCSRMatrix *parcsr;
1826: HYPRE_Int hnz;
1827: PetscErrorCode ierr;
1830: /* retrieve the internal matrix */
1831: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1832: /* call HYPRE API */
1833: PetscStackCallStandard(HYPRE_ParCSRMatrixGetRow,(parcsr,row,&hnz,(HYPRE_BigInt**)idx,(HYPRE_Complex**)v));
1834: if (nz) *nz = (PetscInt)hnz;
1835: return(0);
1836: }
1838: static PetscErrorCode MatRestoreRow_HYPRE(Mat A,PetscInt row,PetscInt *nz,PetscInt **idx,PetscScalar **v)
1839: {
1840: hypre_ParCSRMatrix *parcsr;
1841: HYPRE_Int hnz;
1842: PetscErrorCode ierr;
1845: /* retrieve the internal matrix */
1846: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1847: /* call HYPRE API */
1848: hnz = nz ? (HYPRE_Int)(*nz) : 0;
1849: PetscStackCallStandard(HYPRE_ParCSRMatrixRestoreRow,(parcsr,row,&hnz,(HYPRE_BigInt**)idx,(HYPRE_Complex**)v));
1850: return(0);
1851: }
1853: static PetscErrorCode MatGetValues_HYPRE(Mat A,PetscInt m,const PetscInt idxm[],PetscInt n,const PetscInt idxn[],PetscScalar v[])
1854: {
1855: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1856: PetscInt i;
1859: if (!m || !n) return(0);
1860: /* Ignore negative row indices
1861: * And negative column indices should be automatically ignored in hypre
1862: * */
1863: for (i=0; i<m; i++) {
1864: if (idxm[i] >= 0) {
1865: HYPRE_Int hn = (HYPRE_Int)n;
1866: PetscStackCallStandard(HYPRE_IJMatrixGetValues,(hA->ij,1,&hn,(HYPRE_BigInt*)&idxm[i],(HYPRE_BigInt*)idxn,(HYPRE_Complex*)(v + i*n)));
1867: }
1868: }
1869: return(0);
1870: }
1872: static PetscErrorCode MatSetOption_HYPRE(Mat A,MatOption op,PetscBool flg)
1873: {
1874: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1877: switch (op) {
1878: case MAT_NO_OFF_PROC_ENTRIES:
1879: if (flg) {
1880: PetscStackCallStandard(HYPRE_IJMatrixSetMaxOffProcElmts,(hA->ij,0));
1881: }
1882: break;
1883: case MAT_SORTED_FULL:
1884: hA->sorted_full = flg;
1885: break;
1886: default:
1887: break;
1888: }
1889: return(0);
1890: }
1892: static PetscErrorCode MatView_HYPRE(Mat A, PetscViewer view)
1893: {
1894: hypre_ParCSRMatrix *parcsr;
1895: PetscErrorCode ierr;
1896: Mat B;
1897: PetscViewerFormat format;
1898: PetscErrorCode (*mview)(Mat,PetscViewer) = NULL;
1901: PetscViewerGetFormat(view,&format);
1902: if (format != PETSC_VIEWER_NATIVE) {
1903: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1904: MatCreateFromParCSR(parcsr,MATAIJ,PETSC_USE_POINTER,&B);
1905: MatGetOperation(B,MATOP_VIEW,(void(**)(void))&mview);
1906: if (!mview) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_PLIB,"Missing view operation");
1907: (*mview)(B,view);
1908: MatDestroy(&B);
1909: } else {
1910: Mat_HYPRE *hA = (Mat_HYPRE*)A->data;
1911: PetscMPIInt size;
1912: PetscBool isascii;
1913: const char *filename;
1915: /* HYPRE uses only text files */
1916: PetscObjectTypeCompare((PetscObject)view,PETSCVIEWERASCII,&isascii);
1917: if (!isascii) SETERRQ1(PetscObjectComm((PetscObject)view),PETSC_ERR_SUP,"PetscViewerType %s: native HYPRE format needs PETSCVIEWERASCII",((PetscObject)view)->type_name);
1918: PetscViewerFileGetName(view,&filename);
1919: PetscStackCallStandard(HYPRE_IJMatrixPrint,(hA->ij,filename));
1920: MPI_Comm_size(hA->comm,&size);
1921: if (size > 1) {
1922: PetscViewerASCIIPrintf(view,"Matrix files: %s.%05d ... %s.%05d\n",filename,0,filename,size-1);
1923: } else {
1924: PetscViewerASCIIPrintf(view,"Matrix file: %s.%05d\n",filename,0);
1925: }
1926: }
1927: return(0);
1928: }
1930: static PetscErrorCode MatDuplicate_HYPRE(Mat A,MatDuplicateOption op, Mat *B)
1931: {
1932: hypre_ParCSRMatrix *parcsr;
1933: PetscErrorCode ierr;
1934: PetscCopyMode cpmode;
1937: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1938: if (op == MAT_DO_NOT_COPY_VALUES || op == MAT_SHARE_NONZERO_PATTERN) {
1939: parcsr = hypre_ParCSRMatrixClone(parcsr,0);
1940: cpmode = PETSC_OWN_POINTER;
1941: } else {
1942: cpmode = PETSC_COPY_VALUES;
1943: }
1944: MatCreateFromParCSR(parcsr,MATHYPRE,cpmode,B);
1945: return(0);
1946: }
1948: static PetscErrorCode MatCopy_HYPRE(Mat A, Mat B, MatStructure str)
1949: {
1950: hypre_ParCSRMatrix *acsr,*bcsr;
1951: PetscErrorCode ierr;
1954: if (str == SAME_NONZERO_PATTERN && A->ops->copy == B->ops->copy) {
1955: MatHYPREGetParCSR_HYPRE(A,&acsr);
1956: MatHYPREGetParCSR_HYPRE(B,&bcsr);
1957: PetscStackCallStandard(hypre_ParCSRMatrixCopy,(acsr,bcsr,1));
1958: MatSetOption(B,MAT_SORTED_FULL,PETSC_TRUE); /* "perfect" preallocation, so no need for hypre_AuxParCSRMatrixNeedAux */
1959: MatAssemblyBegin(B,MAT_FINAL_ASSEMBLY);
1960: MatAssemblyEnd(B,MAT_FINAL_ASSEMBLY);
1961: } else {
1962: MatCopy_Basic(A,B,str);
1963: }
1964: return(0);
1965: }
1967: static PetscErrorCode MatGetDiagonal_HYPRE(Mat A, Vec d)
1968: {
1969: hypre_ParCSRMatrix *parcsr;
1970: hypre_CSRMatrix *dmat;
1971: HYPRE_Complex *a;
1972: HYPRE_Complex *data = NULL;
1973: HYPRE_Int *diag = NULL;
1974: PetscInt i;
1975: PetscBool cong;
1976: PetscErrorCode ierr;
1979: MatHasCongruentLayouts(A,&cong);
1980: if (!cong) SETERRQ(PetscObjectComm((PetscObject)A),PETSC_ERR_SUP,"Only for square matrices with same local distributions of rows and columns");
1981: if (PetscDefined(USE_DEBUG)) {
1982: PetscBool miss;
1983: MatMissingDiagonal(A,&miss,NULL);
1984: if (miss && A->rmap->n) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Not implemented when diagonal entries are missing");
1985: }
1986: MatHYPREGetParCSR_HYPRE(A,&parcsr);
1987: dmat = hypre_ParCSRMatrixDiag(parcsr);
1988: if (dmat) {
1989: /* this cast fixes the clang error: implicit conversion from 'HYPRE_Complex' (aka '_Complex double') to 'double' is not permitted in C++ */
1990: VecGetArray(d,(PetscScalar**)&a);
1991: diag = hypre_CSRMatrixI(dmat);
1992: data = hypre_CSRMatrixData(dmat);
1993: for (i=0;i<A->rmap->n;i++) a[i] = data[diag[i]];
1994: VecRestoreArray(d,(PetscScalar**)&a);
1995: }
1996: return(0);
1997: }
1999: #include <petscblaslapack.h>
2001: static PetscErrorCode MatAXPY_HYPRE(Mat Y,PetscScalar a,Mat X,MatStructure str)
2002: {
2006: if (str == SAME_NONZERO_PATTERN) {
2007: hypre_ParCSRMatrix *x,*y;
2008: hypre_CSRMatrix *xloc,*yloc;
2009: PetscInt xnnz,ynnz;
2010: HYPRE_Complex *xarr,*yarr;
2011: PetscBLASInt one=1,bnz;
2013: MatHYPREGetParCSR(Y,&y);
2014: MatHYPREGetParCSR(X,&x);
2016: /* diagonal block */
2017: xloc = hypre_ParCSRMatrixDiag(x);
2018: yloc = hypre_ParCSRMatrixDiag(y);
2019: xnnz = 0;
2020: ynnz = 0;
2021: xarr = NULL;
2022: yarr = NULL;
2023: if (xloc) {
2024: xarr = hypre_CSRMatrixData(xloc);
2025: xnnz = hypre_CSRMatrixNumNonzeros(xloc);
2026: }
2027: if (yloc) {
2028: yarr = hypre_CSRMatrixData(yloc);
2029: ynnz = hypre_CSRMatrixNumNonzeros(yloc);
2030: }
2031: if (xnnz != ynnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_INCOMP,"Different number of nonzeros in diagonal block %D != %D",xnnz,ynnz);
2032: PetscBLASIntCast(xnnz,&bnz);
2033: PetscStackCallBLAS("BLASaxpy",BLASaxpy_(&bnz,&a,(PetscScalar*)xarr,&one,(PetscScalar*)yarr,&one));
2035: /* off-diagonal block */
2036: xloc = hypre_ParCSRMatrixOffd(x);
2037: yloc = hypre_ParCSRMatrixOffd(y);
2038: xnnz = 0;
2039: ynnz = 0;
2040: xarr = NULL;
2041: yarr = NULL;
2042: if (xloc) {
2043: xarr = hypre_CSRMatrixData(xloc);
2044: xnnz = hypre_CSRMatrixNumNonzeros(xloc);
2045: }
2046: if (yloc) {
2047: yarr = hypre_CSRMatrixData(yloc);
2048: ynnz = hypre_CSRMatrixNumNonzeros(yloc);
2049: }
2050: if (xnnz != ynnz) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_INCOMP,"Different number of nonzeros in off-diagonal block %D != %D",xnnz,ynnz);
2051: PetscBLASIntCast(xnnz,&bnz);
2052: PetscStackCallBLAS("BLASaxpy",BLASaxpy_(&bnz,&a,(PetscScalar*)xarr,&one,(PetscScalar*)yarr,&one));
2053: } else if (str == SUBSET_NONZERO_PATTERN) {
2054: MatAXPY_Basic(Y,a,X,str);
2055: } else {
2056: Mat B;
2058: MatAXPY_Basic_Preallocate(Y,X,&B);
2059: MatAXPY_BasicWithPreallocation(B,Y,a,X,str);
2060: MatHeaderReplace(Y,&B);
2061: }
2062: return(0);
2063: }
2065: /*MC
2066: MATHYPRE - MATHYPRE = "hypre" - A matrix type to be used for sequential and parallel sparse matrices
2067: based on the hypre IJ interface.
2069: Level: intermediate
2071: .seealso: MatCreate()
2072: M*/
2074: PETSC_EXTERN PetscErrorCode MatCreate_HYPRE(Mat B)
2075: {
2076: Mat_HYPRE *hB;
2080: PetscNewLog(B,&hB);
2081: hB->inner_free = PETSC_TRUE;
2082: hB->available = PETSC_TRUE;
2083: hB->sorted_full= PETSC_FALSE; /* no assumption whether column indices are sorted or not */
2084: hB->size = 0;
2085: hB->array = NULL;
2087: B->data = (void*)hB;
2088: B->rmap->bs = 1;
2089: B->assembled = PETSC_FALSE;
2091: PetscMemzero(B->ops,sizeof(struct _MatOps));
2092: B->ops->mult = MatMult_HYPRE;
2093: B->ops->multtranspose = MatMultTranspose_HYPRE;
2094: B->ops->multadd = MatMultAdd_HYPRE;
2095: B->ops->multtransposeadd = MatMultTransposeAdd_HYPRE;
2096: B->ops->setup = MatSetUp_HYPRE;
2097: B->ops->destroy = MatDestroy_HYPRE;
2098: B->ops->assemblyend = MatAssemblyEnd_HYPRE;
2099: B->ops->assemblybegin = MatAssemblyBegin_HYPRE;
2100: B->ops->setvalues = MatSetValues_HYPRE;
2101: B->ops->missingdiagonal = MatMissingDiagonal_HYPRE;
2102: B->ops->scale = MatScale_HYPRE;
2103: B->ops->zerorowscolumns = MatZeroRowsColumns_HYPRE;
2104: B->ops->zeroentries = MatZeroEntries_HYPRE;
2105: B->ops->zerorows = MatZeroRows_HYPRE;
2106: B->ops->getrow = MatGetRow_HYPRE;
2107: B->ops->restorerow = MatRestoreRow_HYPRE;
2108: B->ops->getvalues = MatGetValues_HYPRE;
2109: B->ops->setoption = MatSetOption_HYPRE;
2110: B->ops->duplicate = MatDuplicate_HYPRE;
2111: B->ops->copy = MatCopy_HYPRE;
2112: B->ops->view = MatView_HYPRE;
2113: B->ops->getdiagonal = MatGetDiagonal_HYPRE;
2114: B->ops->axpy = MatAXPY_HYPRE;
2115: B->ops->productsetfromoptions = MatProductSetFromOptions_HYPRE;
2117: /* build cache for off array entries formed */
2118: MatStashCreate_Private(PetscObjectComm((PetscObject)B),1,&B->stash);
2120: MPI_Comm_dup(PetscObjectComm((PetscObject)B),&hB->comm);
2121: PetscObjectChangeTypeName((PetscObject)B,MATHYPRE);
2122: PetscObjectComposeFunction((PetscObject)B,"MatConvert_hypre_aij_C",MatConvert_HYPRE_AIJ);
2123: PetscObjectComposeFunction((PetscObject)B,"MatConvert_hypre_is_C",MatConvert_HYPRE_IS);
2124: PetscObjectComposeFunction((PetscObject)B,"MatProductSetFromOptions_seqaij_hypre_C",MatProductSetFromOptions_HYPRE);
2125: PetscObjectComposeFunction((PetscObject)B,"MatProductSetFromOptions_mpiaij_hypre_C",MatProductSetFromOptions_HYPRE);
2126: PetscObjectComposeFunction((PetscObject)B,"MatHYPRESetPreallocation_C",MatHYPRESetPreallocation_HYPRE);
2127: PetscObjectComposeFunction((PetscObject)B,"MatHYPREGetParCSR_C",MatHYPREGetParCSR_HYPRE);
2128: return(0);
2129: }
2131: static PetscErrorCode hypre_array_destroy(void *ptr)
2132: {
2134: hypre_TFree(ptr,HYPRE_MEMORY_HOST);
2135: return(0);
2136: }