GCC Code Coverage Report

Directory: ./
File: src/sys/classes/bv/impls/mat/bvmat.c
Date: 2025-10-04 04:19:13
Exec Total Coverage
Lines: 374 380 98.4%
Functions: 24 24 100.0%
Branches: 784 1302 60.2%
Line Branch Exec Source
1 /*
2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3 SLEPc - Scalable Library for Eigenvalue Problem Computations
4 Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain
5
6 This file is part of SLEPc.
7 SLEPc is distributed under a 2-clause BSD license (see LICENSE).
8 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
9 */
10 /*
11 BV implemented with a dense Mat
12 */
13
14 #include <slepc/private/bvimpl.h>
15 #include "bvmat.h"
16
17 64816 static PetscErrorCode BVMult_Mat(BV Y,PetscScalar alpha,PetscScalar beta,BV X,Mat Q)
18 {
19 64816 BV_MAT *y = (BV_MAT*)Y->data,*x = (BV_MAT*)X->data;
20 64816 PetscScalar *py;
21 64816 const PetscScalar *px,*q;
22 64816 PetscInt ldq;
23
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 64816 PetscFunctionBegin;
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 64816 PetscCall(MatDenseGetArrayRead(x->A,&px));
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 64816 PetscCall(MatDenseGetArray(y->A,&py));
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 64816 if (Q) {
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 52922 PetscCall(MatDenseGetLDA(Q,&ldq));
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 52922 PetscCall(MatDenseGetArrayRead(Q,&q));
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 52922 PetscCall(BVMult_BLAS_Private(Y,Y->n,Y->k-Y->l,X->k-X->l,alpha,px+(X->nc+X->l)*X->ld,X->ld,q+Y->l*ldq+X->l,ldq,beta,py+(Y->nc+Y->l)*Y->ld,Y->ld));
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 52922 PetscCall(MatDenseRestoreArrayRead(Q,&q));
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 11894 } else PetscCall(BVAXPY_BLAS_Private(Y,Y->n,Y->k-Y->l,alpha,px+(X->nc+X->l)*X->ld,X->ld,beta,py+(Y->nc+Y->l)*Y->ld,Y->ld));
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 64816 PetscCall(MatDenseRestoreArrayRead(x->A,&px));
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 64816 PetscCall(MatDenseRestoreArray(y->A,&py));
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 13289 PetscFunctionReturn(PETSC_SUCCESS);
36 }
37
38 6578084 static PetscErrorCode BVMultVec_Mat(BV X,PetscScalar alpha,PetscScalar beta,Vec y,PetscScalar *q)
39 {
40 6578084 BV_MAT *x = (BV_MAT*)X->data;
41 6578084 PetscScalar *py,*qq=q;
42 6578084 const PetscScalar *px;
43
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 6578084 PetscFunctionBegin;
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 6578084 PetscCall(MatDenseGetArrayRead(x->A,&px));
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 6578084 PetscCall(VecGetArray(y,&py));
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 6578084 if (!q) PetscCall(VecGetArray(X->buffer,&qq));
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 6578084 PetscCall(BVMultVec_BLAS_Private(X,X->n,X->k-X->l,alpha,px+(X->nc+X->l)*X->ld,X->ld,qq,beta,py));
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 6578084 if (!q) PetscCall(VecRestoreArray(X->buffer,&qq));
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 6578084 PetscCall(MatDenseRestoreArrayRead(x->A,&px));
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 6578084 PetscCall(VecRestoreArray(y,&py));
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 1316792 PetscFunctionReturn(PETSC_SUCCESS);
53 }
54
55 283486 static PetscErrorCode BVMultInPlace_Mat(BV V,Mat Q,PetscInt s,PetscInt e)
56 {
57 283486 BV_MAT *ctx = (BV_MAT*)V->data;
58 283486 PetscScalar *pv;
59 283486 const PetscScalar *q;
60 283486 PetscInt ldq;
61
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 283486 PetscFunctionBegin;
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 283486 if (s>=e || !V->n) PetscFunctionReturn(PETSC_SUCCESS);
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 264503 PetscCall(MatDenseGetLDA(Q,&ldq));
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 264503 PetscCall(MatDenseGetArray(ctx->A,&pv));
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 264503 PetscCall(MatDenseGetArrayRead(Q,&q));
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 264503 PetscCall(BVMultInPlace_BLAS_Private(V,V->n,V->k-V->l,s-V->l,e-V->l,pv+(V->nc+V->l)*V->ld,V->ld,q+V->l*ldq+V->l,ldq,PETSC_FALSE));
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 264503 PetscCall(MatDenseRestoreArrayRead(Q,&q));
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 264503 PetscCall(MatDenseRestoreArray(ctx->A,&pv));
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 51310 PetscFunctionReturn(PETSC_SUCCESS);
71 }
72
73 10 static PetscErrorCode BVMultInPlaceHermitianTranspose_Mat(BV V,Mat Q,PetscInt s,PetscInt e)
74 {
75 10 BV_MAT *ctx = (BV_MAT*)V->data;
76 10 PetscScalar *pv;
77 10 const PetscScalar *q;
78 10 PetscInt ldq;
79
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 10 PetscFunctionBegin;
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 10 if (s>=e || !V->n) PetscFunctionReturn(PETSC_SUCCESS);
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 10 PetscCall(MatDenseGetLDA(Q,&ldq));
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 10 PetscCall(MatDenseGetArray(ctx->A,&pv));
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 10 PetscCall(MatDenseGetArrayRead(Q,&q));
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 10 PetscCall(BVMultInPlace_BLAS_Private(V,V->n,V->k-V->l,s-V->l,e-V->l,pv+(V->nc+V->l)*V->ld,V->ld,q+V->l*ldq+V->l,ldq,PETSC_TRUE));
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 10 PetscCall(MatDenseRestoreArrayRead(Q,&q));
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 10 PetscCall(MatDenseRestoreArray(ctx->A,&pv));
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 2 PetscFunctionReturn(PETSC_SUCCESS);
89 }
90
91 276356 static PetscErrorCode BVDot_Mat(BV X,BV Y,Mat M)
92 {
93 276356 BV_MAT *x = (BV_MAT*)X->data,*y = (BV_MAT*)Y->data;
94 276356 PetscScalar *m;
95 276356 const PetscScalar *px,*py;
96 276356 PetscInt ldm;
97
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 276356 PetscFunctionBegin;
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 276356 PetscCall(MatDenseGetLDA(M,&ldm));
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 276356 PetscCall(MatDenseGetArrayRead(x->A,&px));
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 276356 PetscCall(MatDenseGetArrayRead(y->A,&py));
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 276356 PetscCall(MatDenseGetArray(M,&m));
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 276356 PetscCall(BVDot_BLAS_Private(X,Y->k-Y->l,X->k-X->l,X->n,py+(Y->nc+Y->l)*Y->ld,Y->ld,px+(X->nc+X->l)*X->ld,X->ld,m+X->l*ldm+Y->l,ldm,x->mpi));
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 276356 PetscCall(MatDenseRestoreArray(M,&m));
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 276356 PetscCall(MatDenseRestoreArrayRead(x->A,&px));
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 276356 PetscCall(MatDenseRestoreArrayRead(y->A,&py));
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 56138 PetscFunctionReturn(PETSC_SUCCESS);
108 }
109
110 4330830 static PetscErrorCode BVDotVec_Mat(BV X,Vec y,PetscScalar *q)
111 {
112 4330830 BV_MAT *x = (BV_MAT*)X->data;
113 4330830 PetscScalar *qq=q;
114 4330830 const PetscScalar *px,*py;
115 4330830 Vec z = y;
116
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 4330830 PetscFunctionBegin;
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 4330830 if (PetscUnlikely(X->matrix)) {
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 634835 PetscCall(BV_IPMatMult(X,y));
120 634835 z = X->Bx;
121 }
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 4330830 PetscCall(MatDenseGetArrayRead(x->A,&px));
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 4330830 PetscCall(VecGetArrayRead(z,&py));
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 4330830 if (!q) PetscCall(VecGetArray(X->buffer,&qq));
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 4330830 PetscCall(BVDotVec_BLAS_Private(X,X->n,X->k-X->l,px+(X->nc+X->l)*X->ld,X->ld,py,qq,x->mpi));
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 4330830 if (!q) PetscCall(VecRestoreArray(X->buffer,&qq));
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 4330830 PetscCall(VecRestoreArrayRead(z,&py));
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 4330830 PetscCall(MatDenseRestoreArrayRead(x->A,&px));
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 850917 PetscFunctionReturn(PETSC_SUCCESS);
130 }
131
132 66994 static PetscErrorCode BVDotVec_Local_Mat(BV X,Vec y,PetscScalar *m)
133 {
134 66994 BV_MAT *x = (BV_MAT*)X->data;
135 66994 const PetscScalar *px,*py;
136 66994 Vec z = y;
137
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 66994 PetscFunctionBegin;
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 66994 if (PetscUnlikely(X->matrix)) {
140 ✗ PetscCall(BV_IPMatMult(X,y));
141 ✗ z = X->Bx;
142 }
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 66994 PetscCall(MatDenseGetArrayRead(x->A,&px));
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 66994 PetscCall(VecGetArrayRead(z,&py));
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 66994 PetscCall(BVDotVec_BLAS_Private(X,X->n,X->k-X->l,px+(X->nc+X->l)*X->ld,X->ld,py,m,PETSC_FALSE));
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 66994 PetscCall(VecRestoreArrayRead(z,&py));
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 66994 PetscCall(MatDenseRestoreArrayRead(x->A,&px));
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 13302 PetscFunctionReturn(PETSC_SUCCESS);
149 }
150
151 2030674 static PetscErrorCode BVScale_Mat(BV bv,PetscInt j,PetscScalar alpha)
152 {
153 2030674 BV_MAT *ctx = (BV_MAT*)bv->data;
154 2030674 PetscScalar *array;
155
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 2030674 PetscFunctionBegin;
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 2030674 if (!bv->n) PetscFunctionReturn(PETSC_SUCCESS);
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 2030674 PetscCall(MatDenseGetArray(ctx->A,&array));
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 2030674 if (PetscUnlikely(j<0)) PetscCall(BVScale_BLAS_Private(bv,(bv->k-bv->l)*bv->ld,array+(bv->nc+bv->l)*bv->ld,alpha));
160
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 2027704 else PetscCall(BVScale_BLAS_Private(bv,bv->n,array+(bv->nc+j)*bv->ld,alpha));
161
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 2030674 PetscCall(MatDenseRestoreArray(ctx->A,&array));
162
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 398187 PetscFunctionReturn(PETSC_SUCCESS);
163 }
164
165 72590 static PetscErrorCode BVNorm_Mat(BV bv,PetscInt j,NormType type,PetscReal *val)
166 {
167 72590 BV_MAT *ctx = (BV_MAT*)bv->data;
168 72590 const PetscScalar *array;
169
170
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 72590 PetscFunctionBegin;
171
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 72590 PetscCall(MatDenseGetArrayRead(ctx->A,&array));
172
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 72590 if (PetscUnlikely(j<0)) PetscCall(BVNorm_LAPACK_Private(bv,bv->n,bv->k-bv->l,array+(bv->nc+bv->l)*bv->ld,bv->ld,type,val,ctx->mpi));
173
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 71872 else PetscCall(BVNorm_LAPACK_Private(bv,bv->n,1,array+(bv->nc+j)*bv->ld,bv->ld,type,val,ctx->mpi));
174
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 72590 PetscCall(MatDenseRestoreArrayRead(ctx->A,&array));
175
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 13546 PetscFunctionReturn(PETSC_SUCCESS);
176 }
177
178 27061 static PetscErrorCode BVNorm_Local_Mat(BV bv,PetscInt j,NormType type,PetscReal *val)
179 {
180 27061 BV_MAT *ctx = (BV_MAT*)bv->data;
181 27061 const PetscScalar *array;
182
183
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 27061 PetscFunctionBegin;
184
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 27061 PetscCall(MatDenseGetArrayRead(ctx->A,&array));
185
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 27061 if (PetscUnlikely(j<0)) PetscCall(BVNorm_LAPACK_Private(bv,bv->n,bv->k-bv->l,array+(bv->nc+bv->l)*bv->ld,bv->ld,type,val,PETSC_FALSE));
186
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 27061 else PetscCall(BVNorm_LAPACK_Private(bv,bv->n,1,array+(bv->nc+j)*bv->ld,bv->ld,type,val,PETSC_FALSE));
187
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 27061 PetscCall(MatDenseRestoreArrayRead(ctx->A,&array));
188
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 5417 PetscFunctionReturn(PETSC_SUCCESS);
189 }
190
191 37303 static PetscErrorCode BVNormalize_Mat(BV bv,PetscScalar *eigi)
192 {
193 37303 BV_MAT *ctx = (BV_MAT*)bv->data;
194 37303 PetscScalar *array,*wi=NULL;
195
196
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 37303 PetscFunctionBegin;
197
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 37303 PetscCall(MatDenseGetArray(ctx->A,&array));
198
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 37303 if (eigi) wi = eigi+bv->l;
199
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 37303 PetscCall(BVNormalize_LAPACK_Private(bv,bv->n,bv->k-bv->l,array+(bv->nc+bv->l)*bv->ld,bv->ld,wi,ctx->mpi));
200
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 37303 PetscCall(MatDenseRestoreArray(ctx->A,&array));
201
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 7447 PetscFunctionReturn(PETSC_SUCCESS);
202 }
203
204 111076 static PetscErrorCode BVMatMult_Mat(BV V,Mat A,BV W)
205 {
206 111076 PetscInt j;
207 111076 Mat Vmat,Wmat;
208 111076 Vec vv,ww;
209
210
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 111076 PetscFunctionBegin;
211
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 111076 if (V->vmm) {
212
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 111026 PetscCall(BVGetMat(V,&Vmat));
213
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 111026 PetscCall(BVGetMat(W,&Wmat));
214
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 111026 PetscCall(MatProductCreateWithMat(A,Vmat,NULL,Wmat));
215
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 111026 PetscCall(MatProductSetType(Wmat,MATPRODUCT_AB));
216
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 111026 PetscCall(MatProductSetFromOptions(Wmat));
217
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 111026 PetscCall(MatProductSymbolic(Wmat));
218
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 111026 PetscCall(MatProductNumeric(Wmat));
219
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 111026 PetscCall(MatProductClear(Wmat));
220
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 111026 PetscCall(BVRestoreMat(V,&Vmat));
221
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 111026 PetscCall(BVRestoreMat(W,&Wmat));
222 } else {
223
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 380 for (j=0;j<V->k-V->l;j++) {
224
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 330 PetscCall(BVGetColumn(V,V->l+j,&vv));
225
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 330 PetscCall(BVGetColumn(W,W->l+j,&ww));
226
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 330 PetscCall(MatMult(A,vv,ww));
227
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 330 PetscCall(BVRestoreColumn(V,V->l+j,&vv));
228
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 330 PetscCall(BVRestoreColumn(W,W->l+j,&ww));
229 }
230 }
231
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 22500 PetscFunctionReturn(PETSC_SUCCESS);
232 }
233
234 131847 static PetscErrorCode BVCopy_Mat(BV V,BV W)
235 {
236 131847 BV_MAT *v = (BV_MAT*)V->data,*w = (BV_MAT*)W->data;
237 131847 const PetscScalar *pv;
238 131847 PetscScalar *pw;
239 131847 PetscInt j;
240
241
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 131847 PetscFunctionBegin;
242
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 131847 PetscCall(MatDenseGetArrayRead(v->A,&pv));
243
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 131847 PetscCall(MatDenseGetArray(w->A,&pw));
244
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 826587 for (j=0;j<V->k-V->l;j++) PetscCall(PetscArraycpy(pw+(W->nc+W->l+j)*W->ld,pv+(V->nc+V->l+j)*V->ld,V->n));
245
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 131847 PetscCall(MatDenseRestoreArrayRead(v->A,&pv));
246
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 131847 PetscCall(MatDenseRestoreArray(w->A,&pw));
247
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 27121 PetscFunctionReturn(PETSC_SUCCESS);
248 }
249
250 85600 static PetscErrorCode BVCopyColumn_Mat(BV V,PetscInt j,PetscInt i)
251 {
252 85600 BV_MAT *v = (BV_MAT*)V->data;
253 85600 PetscScalar *pv;
254
255
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 85600 PetscFunctionBegin;
256
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 85600 PetscCall(MatDenseGetArray(v->A,&pv));
257
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 85600 PetscCall(PetscArraycpy(pv+(V->nc+i)*V->ld,pv+(V->nc+j)*V->ld,V->n));
258
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 85600 PetscCall(MatDenseRestoreArray(v->A,&pv));
259
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 16296 PetscFunctionReturn(PETSC_SUCCESS);
260 }
261
262 1570 static PetscErrorCode BVResize_Mat(BV bv,PetscInt m,PetscBool copy)
263 {
264 1570 BV_MAT *ctx = (BV_MAT*)bv->data;
265 1570 Mat A,Msrc,Mdst;
266 1570 char str[50];
267
268
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 1570 PetscFunctionBegin;
269
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 1570 PetscCall(MatCreateDenseFromVecType(PetscObjectComm((PetscObject)bv),bv->vtype,bv->n,PETSC_DECIDE,bv->N,m,bv->ld,NULL,&A));
270
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 1570 if (((PetscObject)bv)->name) {
271
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 210 PetscCall(PetscSNPrintf(str,sizeof(str),"%s_0",((PetscObject)bv)->name));
272
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 210 PetscCall(PetscObjectSetName((PetscObject)A,str));
273 }
274
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 1570 if (copy) {
275
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 348 PetscCall(MatDenseGetSubMatrix(ctx->A,PETSC_DECIDE,PETSC_DECIDE,PETSC_DECIDE,PetscMin(m,bv->m),&Msrc));
276
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 348 PetscCall(MatDenseGetSubMatrix(A,PETSC_DECIDE,PETSC_DECIDE,PETSC_DECIDE,PetscMin(m,bv->m),&Mdst));
277
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 348 PetscCall(MatCopy(Msrc,Mdst,SAME_NONZERO_PATTERN));
278
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 348 PetscCall(MatDenseRestoreSubMatrix(ctx->A,&Msrc));
279
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 348 PetscCall(MatDenseRestoreSubMatrix(A,&Mdst));
280 }
281
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 1570 PetscCall(MatDestroy(&ctx->A));
282 1570 ctx->A = A;
283
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 1570 PetscFunctionReturn(PETSC_SUCCESS);
284 }
285
286 13502293 static PetscErrorCode BVGetColumn_Mat(BV bv,PetscInt j,Vec *v)
287 {
288 13502293 BV_MAT *ctx = (BV_MAT*)bv->data;
289 13502293 PetscScalar *pA;
290 13502293 PetscInt l;
291
292
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 13502293 PetscFunctionBegin;
293
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 13502293 l = BVAvailableVec;
294
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 13502293 PetscCall(MatDenseGetArray(ctx->A,&pA));
295
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 13502293 PetscCall(VecPlaceArray(bv->cv[l],pA+(bv->nc+j)*bv->ld));
296
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 2658118 PetscFunctionReturn(PETSC_SUCCESS);
297 }
298
299 13502293 static PetscErrorCode BVRestoreColumn_Mat(BV bv,PetscInt j,Vec *v)
300 {
301 13502293 BV_MAT *ctx = (BV_MAT*)bv->data;
302 13502293 PetscScalar *pA;
303 13502293 PetscInt l;
304
305
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 13502293 PetscFunctionBegin;
306 13502293 l = (j==bv->ci[0])? 0: 1;
307
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 13502293 PetscCall(VecResetArray(bv->cv[l]));
308
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 13502293 PetscCall(MatDenseRestoreArray(ctx->A,&pA));
309
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 2658118 PetscFunctionReturn(PETSC_SUCCESS);
310 }
311
312 256568 static PetscErrorCode BVGetArray_Mat(BV bv,PetscScalar **a)
313 {
314 256568 BV_MAT *ctx = (BV_MAT*)bv->data;
315
316
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 256568 PetscFunctionBegin;
317
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 256568 PetscCall(MatDenseGetArray(ctx->A,a));
318
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 52023 PetscFunctionReturn(PETSC_SUCCESS);
319 }
320
321 256568 static PetscErrorCode BVRestoreArray_Mat(BV bv,PetscScalar **a)
322 {
323 256568 BV_MAT *ctx = (BV_MAT*)bv->data;
324
325
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 256568 PetscFunctionBegin;
326
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 256568 if (a) PetscCall(MatDenseRestoreArray(ctx->A,a));
327
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 52023 PetscFunctionReturn(PETSC_SUCCESS);
328 }
329
330 1730 static PetscErrorCode BVGetArrayRead_Mat(BV bv,const PetscScalar **a)
331 {
332 1730 BV_MAT *ctx = (BV_MAT*)bv->data;
333
334
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 1730 PetscFunctionBegin;
335
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 1730 PetscCall(MatDenseGetArrayRead(ctx->A,a));
336
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 332 PetscFunctionReturn(PETSC_SUCCESS);
337 }
338
339 1730 static PetscErrorCode BVRestoreArrayRead_Mat(BV bv,const PetscScalar **a)
340 {
341 1730 BV_MAT *ctx = (BV_MAT*)bv->data;
342
343
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 1730 PetscFunctionBegin;
344
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 1730 if (a) PetscCall(MatDenseRestoreArrayRead(ctx->A,a));
345
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 332 PetscFunctionReturn(PETSC_SUCCESS);
346 }
347
348 384 static PetscErrorCode BVView_Mat(BV bv,PetscViewer viewer)
349 {
350 384 Mat A;
351 384 PetscViewerFormat format;
352 384 PetscBool isascii;
353 384 const char *bvname,*name;
354
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 384 PetscFunctionBegin;
356
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 384 PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii));
357
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 384 if (isascii) {
358
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 384 PetscCall(PetscViewerGetFormat(viewer,&format));
359
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 384 if (format == PETSC_VIEWER_ASCII_INFO || format == PETSC_VIEWER_ASCII_INFO_DETAIL) PetscFunctionReturn(PETSC_SUCCESS);
360 }
361
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 180 PetscCall(BVGetMat(bv,&A));
362
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 180 PetscCall(MatView(A,viewer));
363
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 180 if (format == PETSC_VIEWER_ASCII_MATLAB) {
364 ✗ PetscCall(PetscObjectGetName((PetscObject)A,&name));
365 ✗ PetscCall(PetscObjectGetName((PetscObject)bv,&bvname));
366 ✗ PetscCall(PetscViewerASCIIPrintf(viewer,"%s=%s;clear %s\n",bvname,name,name));
367 ✗ if (bv->nc) PetscCall(PetscViewerASCIIPrintf(viewer,"%s=%s(:,%" PetscInt_FMT ":end);\n",bvname,bvname,bv->nc+1));
368 }
369
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 180 PetscCall(BVRestoreMat(bv,&A));
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 20 PetscFunctionReturn(PETSC_SUCCESS);
371 }
372
373 141266 static PetscErrorCode BVDestroy_Mat(BV bv)
374 {
375 141266 BV_MAT *ctx = (BV_MAT*)bv->data;
376
377
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 141266 PetscFunctionBegin;
378
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 141266 PetscCall(MatDestroy(&ctx->A));
379
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 141266 PetscCall(VecDestroy(&bv->cv[0]));
380
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 141266 PetscCall(VecDestroy(&bv->cv[1]));
381
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 141266 PetscCall(PetscFree(bv->data));
382
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 27538 PetscFunctionReturn(PETSC_SUCCESS);
383 }
384
385 141266 SLEPC_EXTERN PetscErrorCode BVCreate_Mat(BV bv)
386 {
387 141266 BV_MAT *ctx;
388 141266 PetscInt nloc,lsplit;
389 141266 PetscBool seq;
390 141266 char str[50];
391 141266 PetscScalar *array,*ptr=NULL;
392 141266 BV parent;
393 141266 Mat Apar;
394
395
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 141266 PetscFunctionBegin;
396
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 141266 PetscCall(PetscNew(&ctx));
397 141266 bv->data = (void*)ctx;
398
399
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 141266 PetscCall(PetscStrcmpAny(bv->vtype,&bv->cuda,VECSEQCUDA,VECMPICUDA,""));
400
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 141266 PetscCall(PetscStrcmpAny(bv->vtype,&bv->hip,VECSEQHIP,VECMPIHIP,""));
401
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 141266 PetscCall(PetscStrcmpAny(bv->vtype,&ctx->mpi,VECMPI,VECMPICUDA,VECMPIHIP,""));
402
403
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 141266 PetscCall(PetscStrcmp(bv->vtype,VECSEQ,&seq));
404
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 141266 PetscCheck(seq || ctx->mpi || bv->cuda || bv->hip,PetscObjectComm((PetscObject)bv),PETSC_ERR_SUP,"BVMAT does not support the requested vector type: %s",bv->vtype);
405
406
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 141266 PetscCall(PetscLayoutGetLocalSize(bv->map,&nloc));
407
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 141266 PetscCall(BV_SetDefaultLD(bv,nloc));
408
409
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 141266 if (PetscUnlikely(bv->issplit)) {
410 /* split BV: share the memory of the parent BV */
411 2200 parent = bv->splitparent;
412 2200 lsplit = parent->lsplit;
413 2200 Apar = ((BV_MAT*)parent->data)->A;
414
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 2200 if (bv->cuda) {
415 #if defined(PETSC_HAVE_CUDA)
416
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 168 PetscCall(MatDenseCUDAGetArray(Apar,&array));
417
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 168 if (bv->issplit>0) ptr = (bv->issplit==1)? array: array+lsplit*bv->ld;
418
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 36 else ptr = (bv->issplit==1)? array: array-lsplit;
419
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 168 PetscCall(MatDenseCUDARestoreArray(Apar,&array));
420 #endif
421
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 2032 } else if (bv->hip) {
422 #if defined(PETSC_HAVE_HIP)
423
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 168 PetscCall(MatDenseHIPGetArray(Apar,&array));
424
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 168 if (bv->issplit>0) ptr = (bv->issplit==1)? array: array+lsplit*bv->ld;
425
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 36 else ptr = (bv->issplit==1)? array: array-lsplit;
426
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 168 PetscCall(MatDenseHIPRestoreArray(Apar,&array));
427 #endif
428 } else {
429
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 1864 PetscCall(MatDenseGetArray(Apar,&array));
430
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 1864 if (bv->issplit>0) ptr = (bv->issplit==1)? array: array+lsplit*bv->ld;
431
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 994 else ptr = (bv->issplit==-1)? array: array-lsplit;
432
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 1864 PetscCall(MatDenseRestoreArray(Apar,&array));
433 }
434 }
435
436
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 141266 PetscCall(MatCreateDenseFromVecType(PetscObjectComm((PetscObject)bv),bv->vtype,nloc,PETSC_DECIDE,bv->N,bv->m,bv->ld,ptr,&ctx->A));
437
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 141266 if (((PetscObject)bv)->name) {
438
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 1520 PetscCall(PetscSNPrintf(str,sizeof(str),"%s_0",((PetscObject)bv)->name));
439
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 1520 PetscCall(PetscObjectSetName((PetscObject)ctx->A,str));
440 }
441
442
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 141266 if (PetscUnlikely(bv->Acreate)) {
443
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 2168 PetscCall(MatConvert(bv->Acreate,bv->cuda?MATDENSECUDA:bv->hip?MATDENSEHIP:MATDENSE,MAT_REUSE_MATRIX,&ctx->A));
444
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 1084 PetscCall(MatDestroy(&bv->Acreate));
445 }
446
447
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 141266 PetscCall(BVCreateVecEmpty(bv,&bv->cv[0]));
448
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 141266 PetscCall(BVCreateVecEmpty(bv,&bv->cv[1]));
449
450
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 141266 if (bv->cuda) {
451 #if defined(PETSC_HAVE_CUDA)
452 2336 bv->ops->mult = BVMult_Mat_CUDA;
453 2336 bv->ops->multvec = BVMultVec_Mat_CUDA;
454 2336 bv->ops->multinplace = BVMultInPlace_Mat_CUDA;
455 2336 bv->ops->multinplacetrans = BVMultInPlaceHermitianTranspose_Mat_CUDA;
456 2336 bv->ops->dot = BVDot_Mat_CUDA;
457 2336 bv->ops->dotvec = BVDotVec_Mat_CUDA;
458 2336 bv->ops->dotvec_local = BVDotVec_Local_Mat_CUDA;
459 2336 bv->ops->scale = BVScale_Mat_CUDA;
460 2336 bv->ops->norm = BVNorm_Mat_CUDA;
461 2336 bv->ops->norm_local = BVNorm_Local_Mat_CUDA;
462 2336 bv->ops->normalize = BVNormalize_Mat_CUDA;
463 2336 bv->ops->matmult = BVMatMult_Mat_CUDA;
464 2336 bv->ops->copy = BVCopy_Mat_CUDA;
465 2336 bv->ops->copycolumn = BVCopyColumn_Mat_CUDA;
466 2336 bv->ops->getcolumn = BVGetColumn_Mat_CUDA;
467 2336 bv->ops->restorecolumn = BVRestoreColumn_Mat_CUDA;
468 2336 bv->ops->restoresplit = BVRestoreSplit_Mat_CUDA;
469 2336 bv->ops->restoresplitrows = BVRestoreSplitRows_Mat_CUDA;
470 2336 bv->ops->getmat = BVGetMat_Mat_CUDA;
471 2336 bv->ops->restoremat = BVRestoreMat_Mat_CUDA;
472 #endif
473
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 138930 } else if (bv->hip) {
474 #if defined(PETSC_HAVE_HIP)
475 2342 bv->ops->mult = BVMult_Mat_HIP;
476 2342 bv->ops->multvec = BVMultVec_Mat_HIP;
477 2342 bv->ops->multinplace = BVMultInPlace_Mat_HIP;
478 2342 bv->ops->multinplacetrans = BVMultInPlaceHermitianTranspose_Mat_HIP;
479 2342 bv->ops->dot = BVDot_Mat_HIP;
480 2342 bv->ops->dotvec = BVDotVec_Mat_HIP;
481 2342 bv->ops->dotvec_local = BVDotVec_Local_Mat_HIP;
482 2342 bv->ops->scale = BVScale_Mat_HIP;
483 2342 bv->ops->norm = BVNorm_Mat_HIP;
484 2342 bv->ops->norm_local = BVNorm_Local_Mat_HIP;
485 2342 bv->ops->normalize = BVNormalize_Mat_HIP;
486 2342 bv->ops->matmult = BVMatMult_Mat_HIP;
487 2342 bv->ops->copy = BVCopy_Mat_HIP;
488 2342 bv->ops->copycolumn = BVCopyColumn_Mat_HIP;
489 2342 bv->ops->getcolumn = BVGetColumn_Mat_HIP;
490 2342 bv->ops->restorecolumn = BVRestoreColumn_Mat_HIP;
491 2342 bv->ops->restoresplit = BVRestoreSplit_Mat_HIP;
492 2342 bv->ops->restoresplitrows = BVRestoreSplitRows_Mat_HIP;
493 2342 bv->ops->getmat = BVGetMat_Mat_HIP;
494 2342 bv->ops->restoremat = BVRestoreMat_Mat_HIP;
495 #endif
496 } else {
497 136588 bv->ops->mult = BVMult_Mat;
498 136588 bv->ops->multvec = BVMultVec_Mat;
499 136588 bv->ops->multinplace = BVMultInPlace_Mat;
500 136588 bv->ops->multinplacetrans = BVMultInPlaceHermitianTranspose_Mat;
501 136588 bv->ops->dot = BVDot_Mat;
502 136588 bv->ops->dotvec = BVDotVec_Mat;
503 136588 bv->ops->dotvec_local = BVDotVec_Local_Mat;
504 136588 bv->ops->scale = BVScale_Mat;
505 136588 bv->ops->norm = BVNorm_Mat;
506 136588 bv->ops->norm_local = BVNorm_Local_Mat;
507 136588 bv->ops->normalize = BVNormalize_Mat;
508 136588 bv->ops->matmult = BVMatMult_Mat;
509 136588 bv->ops->copy = BVCopy_Mat;
510 136588 bv->ops->copycolumn = BVCopyColumn_Mat;
511 136588 bv->ops->getcolumn = BVGetColumn_Mat;
512 136588 bv->ops->restorecolumn = BVRestoreColumn_Mat;
513 136588 bv->ops->getmat = BVGetMat_Default;
514 136588 bv->ops->restoremat = BVRestoreMat_Default;
515 }
516 141266 bv->ops->resize = BVResize_Mat;
517 141266 bv->ops->getarray = BVGetArray_Mat;
518 141266 bv->ops->restorearray = BVRestoreArray_Mat;
519 141266 bv->ops->getarrayread = BVGetArrayRead_Mat;
520 141266 bv->ops->restorearrayread = BVRestoreArrayRead_Mat;
521 141266 bv->ops->destroy = BVDestroy_Mat;
522 141266 bv->ops->view = BVView_Mat;
523
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 141266 PetscFunctionReturn(PETSC_SUCCESS);
524 }
525