| 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 | This file implements a wrapper to the PRIMME package | ||
| 12 | */ | ||
| 13 | |||
| 14 | #include <slepc/private/epsimpl.h> /*I "slepceps.h" I*/ | ||
| 15 | |||
| 16 | #include <primme.h> | ||
| 17 | |||
| 18 | #if defined(PETSC_USE_COMPLEX) | ||
| 19 | #if defined(PETSC_USE_REAL_SINGLE) | ||
| 20 | #define PRIMME_DRIVER cprimme | ||
| 21 | #else | ||
| 22 | #define PRIMME_DRIVER zprimme | ||
| 23 | #endif | ||
| 24 | #else | ||
| 25 | #if defined(PETSC_USE_REAL_SINGLE) | ||
| 26 | #define PRIMME_DRIVER sprimme | ||
| 27 | #else | ||
| 28 | #define PRIMME_DRIVER dprimme | ||
| 29 | #endif | ||
| 30 | #endif | ||
| 31 | |||
| 32 | #if defined(PRIMME_VERSION_MAJOR) && PRIMME_VERSION_MAJOR*100+PRIMME_VERSION_MINOR >= 202 | ||
| 33 | #define SLEPC_HAVE_PRIMME2p2 | ||
| 34 | #endif | ||
| 35 | |||
| 36 | typedef struct { | ||
| 37 | primme_params primme; /* param struct */ | ||
| 38 | PetscInt bs; /* block size */ | ||
| 39 | primme_preset_method method; /* primme method */ | ||
| 40 | Mat A,B; /* problem matrices */ | ||
| 41 | KSP ksp; /* linear solver and preconditioner */ | ||
| 42 | Vec x,y; /* auxiliary vectors */ | ||
| 43 | double target; /* a copy of eps's target */ | ||
| 44 | } EPS_PRIMME; | ||
| 45 | |||
| 46 | 5190 | static void par_GlobalSumReal(void *sendBuf,void *recvBuf,int *count,primme_params *primme,int *ierr) | |
| 47 | { | ||
| 48 |
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5190 | if (sendBuf == recvBuf) { |
| 49 |
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10380 | *ierr = MPI_Allreduce(MPI_IN_PLACE,recvBuf,*count,MPIU_REAL,MPIU_SUM,PetscObjectComm((PetscObject)primme->commInfo)); |
| 50 | } else { | ||
| 51 | ✗ | *ierr = MPI_Allreduce(sendBuf,recvBuf,*count,MPIU_REAL,MPIU_SUM,PetscObjectComm((PetscObject)primme->commInfo)); | |
| 52 | } | ||
| 53 | 5190 | } | |
| 54 | |||
| 55 | #if defined(SLEPC_HAVE_PRIMME3) | ||
| 56 | 13746 | static void par_broadcastReal(void *buf,int *count,primme_params *primme,int *ierr) | |
| 57 | { | ||
| 58 |
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13746 | *ierr = MPI_Bcast(buf,*count,MPIU_REAL,0/*root*/,PetscObjectComm((PetscObject)primme->commInfo)); |
| 59 | 13746 | } | |
| 60 | #endif | ||
| 61 | |||
| 62 | #if defined(SLEPC_HAVE_PRIMME2p2) | ||
| 63 | 55799 | static void convTestFun(double *eval,void *evec,double *resNorm,int *isconv,primme_params *primme,int *err) | |
| 64 | { | ||
| 65 | 55799 | PetscErrorCode ierr; | |
| 66 | 55799 | EPS eps = (EPS)primme->commInfo; | |
| 67 |
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55799 | PetscScalar eigvr = eval?*eval:0.0; |
| 68 |
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55799 | PetscReal r = resNorm?*resNorm:HUGE_VAL,errest; |
| 69 | |||
| 70 | 55799 | ierr = (*eps->converged)(eps,eigvr,0.0,r,&errest,eps->convergedctx); | |
| 71 |
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55799 | if (ierr) *err = 1; |
| 72 | else { | ||
| 73 | 55799 | *isconv = (errest<=eps->tol?1:0); | |
| 74 | 55799 | *err = 0; | |
| 75 | } | ||
| 76 | 55799 | } | |
| 77 | |||
| 78 | 50700 | static void monitorFun(void *basisEvals,int *basisSize,int *basisFlags,int *iblock,int *blockSize,void *basisNorms,int *numConverged,void *lockedEvals,int *numLocked,int *lockedFlags,void *lockedNorms,int *inner_its,void *LSRes, | |
| 79 | #if defined(SLEPC_HAVE_PRIMME3) | ||
| 80 | const char *msg,double *time, | ||
| 81 | #endif | ||
| 82 | primme_event *event,struct primme_params *primme,int *err) | ||
| 83 | { | ||
| 84 | 50700 | PetscErrorCode ierr = PETSC_SUCCESS; | |
| 85 | 50700 | EPS eps = (EPS)primme->commInfo; | |
| 86 | 50700 | PetscInt i,k,nerrest; | |
| 87 | |||
| 88 |
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50700 | switch (*event) { |
| 89 | 5195 | case primme_event_outer_iteration: | |
| 90 | /* Update EPS */ | ||
| 91 |
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5195 | PetscCallVoid(PetscIntCast(primme->stats.numOuterIterations,&eps->its)); |
| 92 | 5195 | eps->nconv = primme->initSize; | |
| 93 | 5195 | k=0; | |
| 94 |
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9210 | if (lockedEvals && numLocked) for (i=0; i<*numLocked && k<eps->ncv; i++) eps->eigr[k++] = ((PetscReal*)lockedEvals)[i]; |
| 95 | 5195 | nerrest = k; | |
| 96 |
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5195 | if (iblock && blockSize) { |
| 97 |
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13617 | for (i=0; i<*blockSize && k+iblock[i]<eps->ncv; i++) eps->errest[k+iblock[i]] = ((PetscReal*)basisNorms)[i]; |
| 98 |
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5195 | nerrest = k+(*blockSize>0?1+iblock[*blockSize-1]:0); |
| 99 | } | ||
| 100 |
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114338 | if (basisEvals && basisSize) for (i=0; i<*basisSize && k<eps->ncv; i++) eps->eigr[k++] = ((PetscReal*)basisEvals)[i]; |
| 101 | /* Show progress */ | ||
| 102 |
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5195 | ierr = EPSMonitor(eps,eps->its,numConverged?*numConverged:0,eps->eigr,eps->eigi,eps->errest,nerrest); |
| 103 | 5195 | break; | |
| 104 | #if defined(SLEPC_HAVE_PRIMME3) | ||
| 105 | ✗ | case primme_event_message: | |
| 106 | /* Print PRIMME information messages */ | ||
| 107 | ✗ | ierr = PetscInfo(eps,"%s\n",msg); | |
| 108 | ✗ | break; | |
| 109 | #endif | ||
| 110 | default: | ||
| 111 | break; | ||
| 112 | } | ||
| 113 | 50700 | *err = (ierr!=0)? 1: 0; | |
| 114 | } | ||
| 115 | #endif /* SLEPC_HAVE_PRIMME2p2 */ | ||
| 116 | |||
| 117 | 46588 | static void matrixMatvec_PRIMME(void *xa,PRIMME_INT *ldx,void *ya,PRIMME_INT *ldy,int *blockSize,struct primme_params *primme,int *ierr) | |
| 118 | { | ||
| 119 | 46588 | PetscInt i; | |
| 120 | 46588 | EPS_PRIMME *ops = (EPS_PRIMME*)primme->matrix; | |
| 121 | 46588 | Vec x = ops->x,y = ops->y; | |
| 122 | 46588 | Mat A = ops->A; | |
| 123 | |||
| 124 |
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46588 | PetscFunctionBegin; |
| 125 |
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105205 | for (i=0;i<*blockSize;i++) { |
| 126 |
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58617 | PetscCallAbort(PetscObjectComm((PetscObject)A),VecPlaceArray(x,(PetscScalar*)xa+(*ldx)*i)); |
| 127 |
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58617 | PetscCallAbort(PetscObjectComm((PetscObject)A),VecPlaceArray(y,(PetscScalar*)ya+(*ldy)*i)); |
| 128 |
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58617 | PetscCallAbort(PetscObjectComm((PetscObject)A),MatMult(A,x,y)); |
| 129 |
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58617 | PetscCallAbort(PetscObjectComm((PetscObject)A),VecResetArray(x)); |
| 130 |
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58617 | PetscCallAbort(PetscObjectComm((PetscObject)A),VecResetArray(y)); |
| 131 | } | ||
| 132 |
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46588 | PetscFunctionReturnVoid(); |
| 133 | } | ||
| 134 | |||
| 135 | #if defined(SLEPC_HAVE_PRIMME3) | ||
| 136 | 55217 | static void massMatrixMatvec_PRIMME(void *xa,PRIMME_INT *ldx,void *ya,PRIMME_INT *ldy,int *blockSize,struct primme_params *primme,int *ierr) | |
| 137 | { | ||
| 138 | 55217 | PetscInt i; | |
| 139 | 55217 | EPS_PRIMME *ops = (EPS_PRIMME*)primme->massMatrix; | |
| 140 | 55217 | Vec x = ops->x,y = ops->y; | |
| 141 | 55217 | Mat B = ops->B; | |
| 142 | |||
| 143 |
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55217 | PetscFunctionBegin; |
| 144 |
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110434 | for (i=0;i<*blockSize;i++) { |
| 145 |
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55217 | PetscCallAbort(PetscObjectComm((PetscObject)B),VecPlaceArray(x,(PetscScalar*)xa+(*ldx)*i)); |
| 146 |
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55217 | PetscCallAbort(PetscObjectComm((PetscObject)B),VecPlaceArray(y,(PetscScalar*)ya+(*ldy)*i)); |
| 147 |
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55217 | PetscCallAbort(PetscObjectComm((PetscObject)B),MatMult(B,x,y)); |
| 148 |
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55217 | PetscCallAbort(PetscObjectComm((PetscObject)B),VecResetArray(x)); |
| 149 |
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55217 | PetscCallAbort(PetscObjectComm((PetscObject)B),VecResetArray(y)); |
| 150 | } | ||
| 151 |
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55217 | PetscFunctionReturnVoid(); |
| 152 | } | ||
| 153 | #endif | ||
| 154 | |||
| 155 | 42521 | static void applyPreconditioner_PRIMME(void *xa,PRIMME_INT *ldx,void *ya,PRIMME_INT *ldy,int *blockSize,struct primme_params *primme,int *ierr) | |
| 156 | { | ||
| 157 | 42521 | PetscInt i; | |
| 158 | 42521 | EPS_PRIMME *ops = (EPS_PRIMME*)primme->matrix; | |
| 159 | 42521 | Vec x = ops->x,y = ops->y; | |
| 160 | |||
| 161 |
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42521 | PetscFunctionBegin; |
| 162 |
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96009 | for (i=0;i<*blockSize;i++) { |
| 163 |
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53488 | PetscCallAbort(PetscObjectComm((PetscObject)ops->ksp),VecPlaceArray(x,(PetscScalar*)xa+(*ldx)*i)); |
| 164 |
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53488 | PetscCallAbort(PetscObjectComm((PetscObject)ops->ksp),VecPlaceArray(y,(PetscScalar*)ya+(*ldy)*i)); |
| 165 |
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53488 | PetscCallAbort(PetscObjectComm((PetscObject)ops->ksp),KSPSolve(ops->ksp,x,y)); |
| 166 |
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53488 | PetscCallAbort(PetscObjectComm((PetscObject)ops->ksp),VecResetArray(x)); |
| 167 |
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53488 | PetscCallAbort(PetscObjectComm((PetscObject)ops->ksp),VecResetArray(y)); |
| 168 | } | ||
| 169 |
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42521 | PetscFunctionReturnVoid(); |
| 170 | } | ||
| 171 | |||
| 172 | 60 | static PetscErrorCode EPSSetUp_PRIMME(EPS eps) | |
| 173 | { | ||
| 174 | 60 | PetscMPIInt numProcs,procID; | |
| 175 | 60 | EPS_PRIMME *ops = (EPS_PRIMME*)eps->data; | |
| 176 | 60 | primme_params *primme = &ops->primme; | |
| 177 | 60 | PetscBool flg; | |
| 178 | |||
| 179 |
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60 | PetscFunctionBegin; |
| 180 |
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60 | EPSCheckHermitianDefinite(eps); |
| 181 |
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60 | EPSCheckNotStructured(eps); |
| 182 |
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60 | if (eps->nev==0) eps->nev = 1; |
| 183 |
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60 | PetscCallMPI(MPI_Comm_size(PetscObjectComm((PetscObject)eps),&numProcs)); |
| 184 |
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60 | PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)eps),&procID)); |
| 185 | |||
| 186 | /* Check some constraints and set some default values */ | ||
| 187 |
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60 | if (eps->max_it==PETSC_DETERMINE) eps->max_it = PETSC_INT_MAX; |
| 188 |
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60 | PetscCall(STGetMatrix(eps->st,0,&ops->A)); |
| 189 |
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60 | if (eps->isgeneralized) { |
| 190 | #if defined(SLEPC_HAVE_PRIMME3) | ||
| 191 |
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6 | PetscCall(STGetMatrix(eps->st,1,&ops->B)); |
| 192 | #else | ||
| 193 | SETERRQ(PetscObjectComm((PetscObject)eps),PETSC_ERR_SUP,"This version of PRIMME is not available for generalized problems"); | ||
| 194 | #endif | ||
| 195 | } | ||
| 196 |
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60 | EPSCheckUnsupported(eps,EPS_FEATURE_ARBITRARY | EPS_FEATURE_REGION | EPS_FEATURE_STOPPING); |
| 197 |
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60 | EPSCheckIgnored(eps,EPS_FEATURE_BALANCE); |
| 198 |
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60 | if (!eps->which) eps->which = EPS_LARGEST_REAL; |
| 199 | #if !defined(SLEPC_HAVE_PRIMME2p2) | ||
| 200 | if (eps->converged != EPSConvergedAbsolute) PetscCall(PetscInfo(eps,"Warning: using absolute convergence test\n")); | ||
| 201 | #else | ||
| 202 |
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60 | EPSCheckIgnored(eps,EPS_FEATURE_CONVERGENCE); |
| 203 | #endif | ||
| 204 | |||
| 205 | /* Transfer SLEPc options to PRIMME options */ | ||
| 206 | 60 | primme_free(primme); | |
| 207 | 60 | primme_initialize(primme); | |
| 208 | 60 | primme->n = (PRIMME_INT)eps->n; | |
| 209 | 60 | primme->nLocal = (PRIMME_INT)eps->nloc; | |
| 210 | 60 | primme->numEvals = (int)eps->nev; | |
| 211 | 60 | primme->matrix = ops; | |
| 212 | 60 | primme->matrixMatvec = matrixMatvec_PRIMME; | |
| 213 | #if defined(SLEPC_HAVE_PRIMME3) | ||
| 214 |
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60 | if (eps->isgeneralized) { |
| 215 | 6 | primme->massMatrix = ops; | |
| 216 | 6 | primme->massMatrixMatvec = massMatrixMatvec_PRIMME; | |
| 217 | } | ||
| 218 | #endif | ||
| 219 | 60 | primme->commInfo = eps; | |
| 220 | 60 | primme->maxOuterIterations = (PRIMME_INT)eps->max_it; | |
| 221 | #if !defined(SLEPC_HAVE_PRIMME2p2) | ||
| 222 | primme->eps = SlepcDefaultTol(eps->tol); | ||
| 223 | #endif | ||
| 224 | 60 | primme->numProcs = numProcs; | |
| 225 | 60 | primme->procID = procID; | |
| 226 | 60 | primme->printLevel = 1; | |
| 227 | 60 | primme->correctionParams.precondition = 1; | |
| 228 | 60 | primme->globalSumReal = par_GlobalSumReal; | |
| 229 | #if defined(SLEPC_HAVE_PRIMME3) | ||
| 230 | 60 | primme->broadcastReal = par_broadcastReal; | |
| 231 | #endif | ||
| 232 | #if defined(SLEPC_HAVE_PRIMME2p2) | ||
| 233 | 60 | primme->convTestFun = convTestFun; | |
| 234 | 60 | primme->monitorFun = monitorFun; | |
| 235 | #endif | ||
| 236 |
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60 | if (ops->bs > 0) primme->maxBlockSize = (int)ops->bs; |
| 237 | |||
| 238 |
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60 | switch (eps->which) { |
| 239 | 18 | case EPS_LARGEST_REAL: | |
| 240 | 18 | primme->target = primme_largest; | |
| 241 | 18 | break; | |
| 242 | 12 | case EPS_SMALLEST_REAL: | |
| 243 | 12 | primme->target = primme_smallest; | |
| 244 | 12 | break; | |
| 245 | 6 | case EPS_LARGEST_MAGNITUDE: | |
| 246 | 6 | primme->target = primme_largest_abs; | |
| 247 | 6 | ops->target = 0.0; | |
| 248 | 6 | primme->numTargetShifts = 1; | |
| 249 | 6 | primme->targetShifts = &ops->target; | |
| 250 | 6 | break; | |
| 251 | 6 | case EPS_SMALLEST_MAGNITUDE: | |
| 252 | 6 | primme->target = primme_closest_abs; | |
| 253 | 6 | ops->target = 0.0; | |
| 254 | 6 | primme->numTargetShifts = 1; | |
| 255 | 6 | primme->targetShifts = &ops->target; | |
| 256 | 6 | break; | |
| 257 | 18 | case EPS_TARGET_MAGNITUDE: | |
| 258 | case EPS_TARGET_REAL: | ||
| 259 | 18 | primme->target = primme_closest_abs; | |
| 260 | 18 | primme->numTargetShifts = 1; | |
| 261 | 18 | ops->target = PetscRealPart(eps->target); | |
| 262 | 18 | primme->targetShifts = &ops->target; | |
| 263 | 18 | break; | |
| 264 | ✗ | default: | |
| 265 | ✗ | SETERRQ(PetscObjectComm((PetscObject)eps),PETSC_ERR_SUP,"'which' value not supported by PRIMME"); | |
| 266 | } | ||
| 267 | |||
| 268 |
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60 | switch (eps->extraction) { |
| 269 | 42 | case EPS_RITZ: | |
| 270 | 42 | primme->projectionParams.projection = primme_proj_RR; | |
| 271 | 42 | break; | |
| 272 | 6 | case EPS_HARMONIC: | |
| 273 | 6 | primme->projectionParams.projection = primme_proj_harmonic; | |
| 274 | 6 | break; | |
| 275 | 12 | case EPS_REFINED: | |
| 276 | 12 | primme->projectionParams.projection = primme_proj_refined; | |
| 277 | 12 | break; | |
| 278 | ✗ | default: | |
| 279 | ✗ | SETERRQ(PetscObjectComm((PetscObject)eps),PETSC_ERR_SUP,"'extraction' value not supported by PRIMME"); | |
| 280 | } | ||
| 281 | |||
| 282 | /* If user sets mpd or ncv, maxBasisSize is modified */ | ||
| 283 |
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60 | if (eps->mpd!=PETSC_DETERMINE) { |
| 284 | 6 | primme->maxBasisSize = (int)eps->mpd; | |
| 285 |
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6 | if (eps->ncv!=PETSC_DETERMINE) PetscCall(PetscInfo(eps,"Warning: 'ncv' is ignored by PRIMME\n")); |
| 286 |
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54 | } else if (eps->ncv!=PETSC_DETERMINE) primme->maxBasisSize = (int)eps->ncv; |
| 287 | |||
| 288 |
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60 | PetscCheck(primme_set_method(ops->method,primme)>=0,PetscObjectComm((PetscObject)eps),PETSC_ERR_SUP,"PRIMME method not valid"); |
| 289 | |||
| 290 | 60 | eps->mpd = (PetscInt)primme->maxBasisSize; | |
| 291 |
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60 | eps->ncv = (PetscInt)(primme->locking?eps->nev:0)+primme->maxBasisSize; |
| 292 | 60 | ops->bs = (PetscInt)primme->maxBlockSize; | |
| 293 | |||
| 294 | /* Set workspace */ | ||
| 295 |
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60 | PetscCall(EPSAllocateSolution(eps,0)); |
| 296 | |||
| 297 | /* Setup the preconditioner */ | ||
| 298 |
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60 | if (primme->correctionParams.precondition) { |
| 299 |
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60 | PetscCall(STGetKSP(eps->st,&ops->ksp)); |
| 300 |
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60 | PetscCall(PetscObjectTypeCompare((PetscObject)ops->ksp,KSPPREONLY,&flg)); |
| 301 |
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60 | if (!flg) PetscCall(PetscInfo(eps,"Warning: ignoring KSP, should use KSPPREONLY\n")); |
| 302 | 60 | primme->preconditioner = NULL; | |
| 303 | 60 | primme->applyPreconditioner = applyPreconditioner_PRIMME; | |
| 304 | } | ||
| 305 | |||
| 306 | /* Prepare auxiliary vectors */ | ||
| 307 |
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60 | if (!ops->x) PetscCall(MatCreateVecsEmpty(ops->A,&ops->x,&ops->y)); |
| 308 |
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20 | PetscFunctionReturn(PETSC_SUCCESS); |
| 309 | } | ||
| 310 | |||
| 311 | 60 | static PetscErrorCode EPSSolve_PRIMME(EPS eps) | |
| 312 | { | ||
| 313 | 60 | EPS_PRIMME *ops = (EPS_PRIMME*)eps->data; | |
| 314 | 60 | PetscScalar *a; | |
| 315 | 60 | PetscInt i,ld,ierrprimme; | |
| 316 | 60 | PetscReal *evals,*rnorms; | |
| 317 | |||
| 318 |
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60 | PetscFunctionBegin; |
| 319 | /* Reset some parameters left from previous runs */ | ||
| 320 | #if defined(SLEPC_HAVE_PRIMME2p2) | ||
| 321 | 60 | ops->primme.aNorm = 0.0; | |
| 322 | #else | ||
| 323 | /* Force PRIMME to stop by absolute error */ | ||
| 324 | ops->primme.aNorm = 1.0; | ||
| 325 | #endif | ||
| 326 | 60 | ops->primme.initSize = (int)eps->nini; | |
| 327 | 60 | ops->primme.iseed[0] = -1; | |
| 328 | 60 | ops->primme.iseed[1] = -1; | |
| 329 | 60 | ops->primme.iseed[2] = -1; | |
| 330 | 60 | ops->primme.iseed[3] = -1; | |
| 331 |
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60 | PetscCall(BVGetLeadingDimension(eps->V,&ld)); |
| 332 | 60 | ops->primme.ldevecs = (PRIMME_INT)ld; | |
| 333 | |||
| 334 | /* Call PRIMME solver */ | ||
| 335 |
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60 | PetscCall(BVGetArray(eps->V,&a)); |
| 336 |
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60 | PetscCall(PetscMalloc2(eps->ncv,&evals,eps->ncv,&rnorms)); |
| 337 | 60 | ierrprimme = PRIMME_DRIVER(evals,a,rnorms,&ops->primme); | |
| 338 |
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1602 | for (i=0;i<eps->ncv;i++) eps->eigr[i] = evals[i]; |
| 339 |
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1542 | for (i=0;i<eps->ncv;i++) eps->errest[i] = rnorms[i]; |
| 340 |
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60 | PetscCall(PetscFree2(evals,rnorms)); |
| 341 |
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60 | PetscCall(BVRestoreArray(eps->V,&a)); |
| 342 | |||
| 343 | 60 | eps->nconv = ops->primme.initSize >= 0 ? (PetscInt)ops->primme.initSize : 0; | |
| 344 |
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60 | eps->reason = eps->nconv >= eps->nev ? EPS_CONVERGED_TOL: EPS_DIVERGED_ITS; |
| 345 |
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60 | PetscCall(PetscIntCast(ops->primme.stats.numOuterIterations,&eps->its)); |
| 346 | |||
| 347 | /* Process PRIMME error code */ | ||
| 348 |
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60 | switch (ierrprimme) { |
| 349 | case 0: /* no error */ | ||
| 350 | break; | ||
| 351 | ✗ | case -1: | |
| 352 | ✗ | SETERRQ(PetscObjectComm((PetscObject)eps),PETSC_ERR_LIB,"PRIMME library failed with error code=%" PetscInt_FMT ": unexpected error",ierrprimme); | |
| 353 | ✗ | case -2: | |
| 354 | ✗ | SETERRQ(PetscObjectComm((PetscObject)eps),PETSC_ERR_LIB,"PRIMME library failed with error code=%" PetscInt_FMT ": allocation error",ierrprimme); | |
| 355 | case -3: /* stop due to maximum number of iterations or matvecs */ | ||
| 356 | break; | ||
| 357 | ✗ | default: | |
| 358 | ✗ | PetscCheck(ierrprimme<-39,PetscObjectComm((PetscObject)eps),PETSC_ERR_LIB,"PRIMME library failed with error code=%" PetscInt_FMT ": configuration error; check PRIMME's manual",ierrprimme); | |
| 359 | ✗ | PetscCheck(ierrprimme>=-39,PetscObjectComm((PetscObject)eps),PETSC_ERR_LIB,"PRIMME library failed with error code=%" PetscInt_FMT ": runtime error; check PRIMME's manual",ierrprimme); | |
| 360 | } | ||
| 361 |
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20 | PetscFunctionReturn(PETSC_SUCCESS); |
| 362 | } | ||
| 363 | |||
| 364 | 54 | static PetscErrorCode EPSReset_PRIMME(EPS eps) | |
| 365 | { | ||
| 366 | 54 | EPS_PRIMME *ops = (EPS_PRIMME*)eps->data; | |
| 367 | |||
| 368 |
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54 | PetscFunctionBegin; |
| 369 | 54 | primme_free(&ops->primme); | |
| 370 |
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54 | PetscCall(VecDestroy(&ops->x)); |
| 371 |
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54 | PetscCall(VecDestroy(&ops->y)); |
| 372 |
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18 | PetscFunctionReturn(PETSC_SUCCESS); |
| 373 | } | ||
| 374 | |||
| 375 | 54 | static PetscErrorCode EPSDestroy_PRIMME(EPS eps) | |
| 376 | { | ||
| 377 |
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54 | PetscFunctionBegin; |
| 378 |
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54 | PetscCall(PetscFree(eps->data)); |
| 379 |
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54 | PetscCall(PetscObjectComposeFunction((PetscObject)eps,"EPSPRIMMESetBlockSize_C",NULL)); |
| 380 |
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54 | PetscCall(PetscObjectComposeFunction((PetscObject)eps,"EPSPRIMMESetMethod_C",NULL)); |
| 381 |
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54 | PetscCall(PetscObjectComposeFunction((PetscObject)eps,"EPSPRIMMEGetBlockSize_C",NULL)); |
| 382 |
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54 | PetscCall(PetscObjectComposeFunction((PetscObject)eps,"EPSPRIMMEGetMethod_C",NULL)); |
| 383 |
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18 | PetscFunctionReturn(PETSC_SUCCESS); |
| 384 | } | ||
| 385 | |||
| 386 | ✗ | static PetscErrorCode EPSView_PRIMME(EPS eps,PetscViewer viewer) | |
| 387 | { | ||
| 388 | ✗ | PetscBool isascii; | |
| 389 | ✗ | EPS_PRIMME *ctx = (EPS_PRIMME*)eps->data; | |
| 390 | ✗ | PetscMPIInt rank; | |
| 391 | |||
| 392 | ✗ | PetscFunctionBegin; | |
| 393 | ✗ | PetscCall(PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii)); | |
| 394 | ✗ | if (isascii) { | |
| 395 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," block size=%" PetscInt_FMT "\n",ctx->bs)); | |
| 396 | ✗ | PetscCall(PetscViewerASCIIPrintf(viewer," solver method: %s\n",EPSPRIMMEMethods[(EPSPRIMMEMethod)ctx->method])); | |
| 397 | |||
| 398 | /* Display PRIMME params */ | ||
| 399 | ✗ | PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)eps),&rank)); | |
| 400 | ✗ | if (!rank) primme_display_params(ctx->primme); | |
| 401 | } | ||
| 402 | ✗ | PetscFunctionReturn(PETSC_SUCCESS); | |
| 403 | } | ||
| 404 | |||
| 405 | 48 | static PetscErrorCode EPSSetFromOptions_PRIMME(EPS eps,PetscOptionItems PetscOptionsObject) | |
| 406 | { | ||
| 407 | 48 | EPS_PRIMME *ctx = (EPS_PRIMME*)eps->data; | |
| 408 | 48 | PetscInt bs; | |
| 409 | 48 | EPSPRIMMEMethod meth; | |
| 410 | 48 | PetscBool flg; | |
| 411 | |||
| 412 |
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48 | PetscFunctionBegin; |
| 413 |
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48 | PetscOptionsHeadBegin(PetscOptionsObject,"EPS PRIMME Options"); |
| 414 | |||
| 415 |
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48 | PetscCall(PetscOptionsInt("-eps_primme_blocksize","Maximum block size","EPSPRIMMESetBlockSize",ctx->bs,&bs,&flg)); |
| 416 |
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48 | if (flg) PetscCall(EPSPRIMMESetBlockSize(eps,bs)); |
| 417 | |||
| 418 |
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48 | PetscCall(PetscOptionsEnum("-eps_primme_method","Method for solving the eigenproblem","EPSPRIMMESetMethod",EPSPRIMMEMethods,(PetscEnum)ctx->method,(PetscEnum*)&meth,&flg)); |
| 419 |
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48 | if (flg) PetscCall(EPSPRIMMESetMethod(eps,meth)); |
| 420 | |||
| 421 |
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48 | PetscOptionsHeadEnd(); |
| 422 |
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16 | PetscFunctionReturn(PETSC_SUCCESS); |
| 423 | } | ||
| 424 | |||
| 425 | 30 | static PetscErrorCode EPSPRIMMESetBlockSize_PRIMME(EPS eps,PetscInt bs) | |
| 426 | { | ||
| 427 | 30 | EPS_PRIMME *ops = (EPS_PRIMME*)eps->data; | |
| 428 | |||
| 429 |
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30 | PetscFunctionBegin; |
| 430 |
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30 | if (bs == PETSC_DEFAULT || bs == PETSC_DECIDE) ops->bs = 0; |
| 431 | else { | ||
| 432 |
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30 | PetscCheck(bs>0,PetscObjectComm((PetscObject)eps),PETSC_ERR_ARG_OUTOFRANGE,"PRIMME: block size must be positive"); |
| 433 | 30 | ops->bs = bs; | |
| 434 | } | ||
| 435 |
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10 | PetscFunctionReturn(PETSC_SUCCESS); |
| 436 | } | ||
| 437 | |||
| 438 | /*@ | ||
| 439 | EPSPRIMMESetBlockSize - The maximum block size that PRIMME will try to use. | ||
| 440 | |||
| 441 | Logically Collective | ||
| 442 | |||
| 443 | Input Parameters: | ||
| 444 | + eps - the eigenproblem solver context | ||
| 445 | - bs - block size | ||
| 446 | |||
| 447 | Options Database Key: | ||
| 448 | . -eps_primme_blocksize - Sets the max allowed block size value | ||
| 449 | |||
| 450 | Notes: | ||
| 451 | If the block size is not set, the value established by primme_initialize | ||
| 452 | is used. | ||
| 453 | |||
| 454 | The user should set the block size based on the architecture specifics | ||
| 455 | of the target computer, as well as any a priori knowledge of multiplicities. | ||
| 456 | The code does NOT require bs > 1 to find multiple eigenvalues. For some | ||
| 457 | methods, keeping bs = 1 yields the best overall performance. | ||
| 458 | |||
| 459 | Level: advanced | ||
| 460 | |||
| 461 | .seealso: EPSPRIMMEGetBlockSize() | ||
| 462 | @*/ | ||
| 463 | 30 | PetscErrorCode EPSPRIMMESetBlockSize(EPS eps,PetscInt bs) | |
| 464 | { | ||
| 465 |
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30 | PetscFunctionBegin; |
| 466 |
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30 | PetscValidHeaderSpecific(eps,EPS_CLASSID,1); |
| 467 |
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30 | PetscValidLogicalCollectiveInt(eps,bs,2); |
| 468 |
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30 | PetscTryMethod(eps,"EPSPRIMMESetBlockSize_C",(EPS,PetscInt),(eps,bs)); |
| 469 |
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30 | PetscFunctionReturn(PETSC_SUCCESS); |
| 470 | } | ||
| 471 | |||
| 472 | 24 | static PetscErrorCode EPSPRIMMEGetBlockSize_PRIMME(EPS eps,PetscInt *bs) | |
| 473 | { | ||
| 474 | 24 | EPS_PRIMME *ops = (EPS_PRIMME*)eps->data; | |
| 475 | |||
| 476 |
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24 | PetscFunctionBegin; |
| 477 | 24 | *bs = ops->bs; | |
| 478 |
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24 | PetscFunctionReturn(PETSC_SUCCESS); |
| 479 | } | ||
| 480 | |||
| 481 | /*@ | ||
| 482 | EPSPRIMMEGetBlockSize - Get the maximum block size the code will try to use. | ||
| 483 | |||
| 484 | Not Collective | ||
| 485 | |||
| 486 | Input Parameter: | ||
| 487 | . eps - the eigenproblem solver context | ||
| 488 | |||
| 489 | Output Parameter: | ||
| 490 | . bs - returned block size | ||
| 491 | |||
| 492 | Level: advanced | ||
| 493 | |||
| 494 | .seealso: EPSPRIMMESetBlockSize() | ||
| 495 | @*/ | ||
| 496 | 24 | PetscErrorCode EPSPRIMMEGetBlockSize(EPS eps,PetscInt *bs) | |
| 497 | { | ||
| 498 |
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24 | PetscFunctionBegin; |
| 499 |
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24 | PetscValidHeaderSpecific(eps,EPS_CLASSID,1); |
| 500 |
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24 | PetscAssertPointer(bs,2); |
| 501 |
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24 | PetscUseMethod(eps,"EPSPRIMMEGetBlockSize_C",(EPS,PetscInt*),(eps,bs)); |
| 502 |
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24 | PetscFunctionReturn(PETSC_SUCCESS); |
| 503 | } | ||
| 504 | |||
| 505 | 30 | static PetscErrorCode EPSPRIMMESetMethod_PRIMME(EPS eps,EPSPRIMMEMethod method) | |
| 506 | { | ||
| 507 | 30 | EPS_PRIMME *ops = (EPS_PRIMME*)eps->data; | |
| 508 | |||
| 509 |
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30 | PetscFunctionBegin; |
| 510 | 30 | ops->method = (primme_preset_method)method; | |
| 511 |
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30 | PetscFunctionReturn(PETSC_SUCCESS); |
| 512 | } | ||
| 513 | |||
| 514 | /*@ | ||
| 515 | EPSPRIMMESetMethod - Sets the method for the PRIMME library. | ||
| 516 | |||
| 517 | Logically Collective | ||
| 518 | |||
| 519 | Input Parameters: | ||
| 520 | + eps - the eigenproblem solver context | ||
| 521 | - method - method that will be used by PRIMME | ||
| 522 | |||
| 523 | Options Database Key: | ||
| 524 | . -eps_primme_method - Sets the method for the PRIMME library | ||
| 525 | |||
| 526 | Note: | ||
| 527 | If not set, the method defaults to EPS_PRIMME_DEFAULT_MIN_TIME. | ||
| 528 | |||
| 529 | Level: advanced | ||
| 530 | |||
| 531 | .seealso: EPSPRIMMEGetMethod(), EPSPRIMMEMethod | ||
| 532 | @*/ | ||
| 533 | 30 | PetscErrorCode EPSPRIMMESetMethod(EPS eps,EPSPRIMMEMethod method) | |
| 534 | { | ||
| 535 |
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30 | PetscFunctionBegin; |
| 536 |
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30 | PetscValidHeaderSpecific(eps,EPS_CLASSID,1); |
| 537 |
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30 | PetscValidLogicalCollectiveEnum(eps,method,2); |
| 538 |
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30 | PetscTryMethod(eps,"EPSPRIMMESetMethod_C",(EPS,EPSPRIMMEMethod),(eps,method)); |
| 539 |
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30 | PetscFunctionReturn(PETSC_SUCCESS); |
| 540 | } | ||
| 541 | |||
| 542 | 24 | static PetscErrorCode EPSPRIMMEGetMethod_PRIMME(EPS eps,EPSPRIMMEMethod *method) | |
| 543 | { | ||
| 544 | 24 | EPS_PRIMME *ops = (EPS_PRIMME*)eps->data; | |
| 545 | |||
| 546 |
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24 | PetscFunctionBegin; |
| 547 | 24 | *method = (EPSPRIMMEMethod)ops->method; | |
| 548 |
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24 | PetscFunctionReturn(PETSC_SUCCESS); |
| 549 | } | ||
| 550 | |||
| 551 | /*@ | ||
| 552 | EPSPRIMMEGetMethod - Gets the method for the PRIMME library. | ||
| 553 | |||
| 554 | Not Collective | ||
| 555 | |||
| 556 | Input Parameter: | ||
| 557 | . eps - the eigenproblem solver context | ||
| 558 | |||
| 559 | Output Parameter: | ||
| 560 | . method - method that will be used by PRIMME | ||
| 561 | |||
| 562 | Level: advanced | ||
| 563 | |||
| 564 | .seealso: EPSPRIMMESetMethod(), EPSPRIMMEMethod | ||
| 565 | @*/ | ||
| 566 | 24 | PetscErrorCode EPSPRIMMEGetMethod(EPS eps,EPSPRIMMEMethod *method) | |
| 567 | { | ||
| 568 |
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24 | PetscFunctionBegin; |
| 569 |
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24 | PetscValidHeaderSpecific(eps,EPS_CLASSID,1); |
| 570 |
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24 | PetscAssertPointer(method,2); |
| 571 |
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24 | PetscUseMethod(eps,"EPSPRIMMEGetMethod_C",(EPS,EPSPRIMMEMethod*),(eps,method)); |
| 572 |
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24 | PetscFunctionReturn(PETSC_SUCCESS); |
| 573 | } | ||
| 574 | |||
| 575 | 54 | SLEPC_EXTERN PetscErrorCode EPSCreate_PRIMME(EPS eps) | |
| 576 | { | ||
| 577 | 54 | EPS_PRIMME *primme; | |
| 578 | |||
| 579 |
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54 | PetscFunctionBegin; |
| 580 |
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54 | PetscCall(PetscNew(&primme)); |
| 581 | 54 | eps->data = (void*)primme; | |
| 582 | |||
| 583 | 54 | primme_initialize(&primme->primme); | |
| 584 | 54 | primme->primme.globalSumReal = par_GlobalSumReal; | |
| 585 | #if defined(SLEPC_HAVE_PRIMME3) | ||
| 586 | 54 | primme->primme.broadcastReal = par_broadcastReal; | |
| 587 | #endif | ||
| 588 | #if defined(SLEPC_HAVE_PRIMME2p2) | ||
| 589 | 54 | primme->primme.convTestFun = convTestFun; | |
| 590 | 54 | primme->primme.monitorFun = monitorFun; | |
| 591 | #endif | ||
| 592 | 54 | primme->method = (primme_preset_method)EPS_PRIMME_DEFAULT_MIN_TIME; | |
| 593 | |||
| 594 | 54 | eps->categ = EPS_CATEGORY_PRECOND; | |
| 595 | |||
| 596 | 54 | eps->ops->solve = EPSSolve_PRIMME; | |
| 597 | 54 | eps->ops->setup = EPSSetUp_PRIMME; | |
| 598 | 54 | eps->ops->setupsort = EPSSetUpSort_Basic; | |
| 599 | 54 | eps->ops->setfromoptions = EPSSetFromOptions_PRIMME; | |
| 600 | 54 | eps->ops->destroy = EPSDestroy_PRIMME; | |
| 601 | 54 | eps->ops->reset = EPSReset_PRIMME; | |
| 602 | 54 | eps->ops->view = EPSView_PRIMME; | |
| 603 | 54 | eps->ops->backtransform = EPSBackTransform_Default; | |
| 604 | 54 | eps->ops->setdefaultst = EPSSetDefaultST_GMRES; | |
| 605 | |||
| 606 |
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54 | PetscCall(PetscObjectComposeFunction((PetscObject)eps,"EPSPRIMMESetBlockSize_C",EPSPRIMMESetBlockSize_PRIMME)); |
| 607 |
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54 | PetscCall(PetscObjectComposeFunction((PetscObject)eps,"EPSPRIMMESetMethod_C",EPSPRIMMESetMethod_PRIMME)); |
| 608 |
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54 | PetscCall(PetscObjectComposeFunction((PetscObject)eps,"EPSPRIMMEGetBlockSize_C",EPSPRIMMEGetBlockSize_PRIMME)); |
| 609 |
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54 | PetscCall(PetscObjectComposeFunction((PetscObject)eps,"EPSPRIMMEGetMethod_C",EPSPRIMMEGetMethod_PRIMME)); |
| 610 |
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18 | PetscFunctionReturn(PETSC_SUCCESS); |
| 611 | } | ||
| 612 |