Actual source code: vecimpl.h

  1: #pragma once

  3: /*
  4:   This private file should not be included in users' code.  Defines the fields shared by all
  5:   vector implementations.
  6: */

  8: #include <petscvec.h>
  9: #include <petsc/private/petscimpl.h>

 11: PETSC_INTERN PetscBool   VecRegisterAllCalled;
 12: PETSC_EXTERN MPI_Op      MPIU_MAXLOC;
 13: PETSC_EXTERN MPI_Op      MPIU_MINLOC;
 14: PETSC_INTERN MPI_Op      VecStrideMax_Op;
 15: PETSC_INTERN MPI_Op      VecStrideMin_Op;
 16: PETSC_INTERN void MPIAPI VecStrideMax_Local(void *, void *, PetscMPIInt *, MPI_Datatype *);
 17: PETSC_INTERN void MPIAPI VecStrideMin_Local(void *, void *, PetscMPIInt *, MPI_Datatype *);

 19: /* ----------------------------------------------------------------------------*/

 21: typedef struct _VecOps *VecOps;
 22: struct _VecOps {
 23:   PetscErrorCode (*duplicate)(Vec, Vec *);                                          /* get single vector */
 24:   PetscErrorCode (*duplicatevecs)(Vec, PetscInt, Vec **);                           /* get array of vectors */
 25:   PetscErrorCode (*destroyvecs)(PetscInt, Vec[]);                                   /* free array of vectors */
 26:   PetscErrorCode (*dot)(Vec, Vec, PetscScalar *);                                   /* z = x^H * y */
 27:   PetscErrorCode (*mdot)(Vec, PetscInt, const Vec[], PetscScalar *);                /* z[j] = x dot y[j] */
 28:   PetscErrorCode (*norm)(Vec, NormType, PetscReal *);                               /* z = sqrt(x^H * x) */
 29:   PetscErrorCode (*tdot)(Vec, Vec, PetscScalar *);                                  /* x'*y */
 30:   PetscErrorCode (*mtdot)(Vec, PetscInt, const Vec[], PetscScalar *);               /* z[j] = x dot y[j] */
 31:   PetscErrorCode (*scale)(Vec, PetscScalar);                                        /* x = alpha * x   */
 32:   PetscErrorCode (*copy)(Vec, Vec);                                                 /* y = x */
 33:   PetscErrorCode (*set)(Vec, PetscScalar);                                          /* y = alpha  */
 34:   PetscErrorCode (*swap)(Vec, Vec);                                                 /* exchange x and y */
 35:   PetscErrorCode (*axpy)(Vec, PetscScalar, Vec);                                    /* y = y + alpha * x */
 36:   PetscErrorCode (*axpby)(Vec, PetscScalar, PetscScalar, Vec);                      /* y = alpha * x + beta * y*/
 37:   PetscErrorCode (*maxpy)(Vec, PetscInt, const PetscScalar *, Vec *);               /* y = y + alpha[j] x[j] */
 38:   PetscErrorCode (*aypx)(Vec, PetscScalar, Vec);                                    /* y = x + alpha * y */
 39:   PetscErrorCode (*waxpy)(Vec, PetscScalar, Vec, Vec);                              /* w = y + alpha * x */
 40:   PetscErrorCode (*axpbypcz)(Vec, PetscScalar, PetscScalar, PetscScalar, Vec, Vec); /* z = alpha * x + beta *y + gamma *z*/
 41:   PetscErrorCode (*pointwisemult)(Vec, Vec, Vec);                                   /* w = x .* y */
 42:   PetscErrorCode (*pointwisedivide)(Vec, Vec, Vec);                                 /* w = x ./ y */
 43:   PetscErrorCode (*setvalues)(Vec, PetscInt, const PetscInt[], const PetscScalar[], InsertMode);
 44:   PetscErrorCode (*assemblybegin)(Vec);            /* start global assembly */
 45:   PetscErrorCode (*assemblyend)(Vec);              /* end global assembly */
 46:   PetscErrorCode (*getarray)(Vec, PetscScalar **); /* get data array */
 47:   PetscErrorCode (*getsize)(Vec, PetscInt *);
 48:   PetscErrorCode (*getlocalsize)(Vec, PetscInt *);
 49:   PetscErrorCode (*restorearray)(Vec, PetscScalar **); /* restore data array */
 50:   PetscErrorCode (*max)(Vec, PetscInt *, PetscReal *); /* z = max(x); idx=index of max(x) */
 51:   PetscErrorCode (*min)(Vec, PetscInt *, PetscReal *); /* z = min(x); idx=index of min(x) */
 52:   PetscErrorCode (*setrandom)(Vec, PetscRandom);       /* set y[j] = random numbers */
 53:   PetscErrorCode (*setoption)(Vec, VecOption, PetscBool);
 54:   PetscErrorCode (*setvaluesblocked)(Vec, PetscInt, const PetscInt[], const PetscScalar[], InsertMode);
 55:   PetscErrorCode (*destroy)(Vec);
 56:   PetscErrorCode (*view)(Vec, PetscViewer);
 57:   PetscErrorCode (*placearray)(Vec, const PetscScalar *);   /* place data array */
 58:   PetscErrorCode (*replacearray)(Vec, const PetscScalar *); /* replace data array */
 59:   PetscErrorCode (*dot_local)(Vec, Vec, PetscScalar *);
 60:   PetscErrorCode (*tdot_local)(Vec, Vec, PetscScalar *);
 61:   PetscErrorCode (*norm_local)(Vec, NormType, PetscReal *);
 62:   PetscErrorCode (*mdot_local)(Vec, PetscInt, const Vec[], PetscScalar *);
 63:   PetscErrorCode (*mtdot_local)(Vec, PetscInt, const Vec[], PetscScalar *);
 64:   PetscErrorCode (*load)(Vec, PetscViewer);
 65:   PetscErrorCode (*reciprocal)(Vec);
 66:   PetscErrorCode (*conjugate)(Vec);
 67:   PetscErrorCode (*setlocaltoglobalmapping)(Vec, ISLocalToGlobalMapping);
 68:   PetscErrorCode (*getlocaltoglobalmapping)(Vec, ISLocalToGlobalMapping *);
 69:   PetscErrorCode (*resetarray)(Vec); /* vector points to its original array, i.e. undoes any VecPlaceArray() */
 70:   PetscErrorCode (*setfromoptions)(Vec, PetscOptionItems);
 71:   PetscErrorCode (*maxpointwisedivide)(Vec, Vec, PetscReal *); /* m = max abs(x ./ y) */
 72:   PetscErrorCode (*pointwisemax)(Vec, Vec, Vec);
 73:   PetscErrorCode (*pointwisemaxabs)(Vec, Vec, Vec);
 74:   PetscErrorCode (*pointwisemin)(Vec, Vec, Vec);
 75:   PetscErrorCode (*getvalues)(Vec, PetscInt, const PetscInt[], PetscScalar[]);
 76:   PetscErrorCode (*sqrt)(Vec);
 77:   PetscErrorCode (*abs)(Vec);
 78:   PetscErrorCode (*exp)(Vec);
 79:   PetscErrorCode (*log)(Vec);
 80:   PetscErrorCode (*shift)(Vec, PetscScalar);
 81:   PetscErrorCode (*create)(Vec);
 82:   PetscErrorCode (*stridegather)(Vec, PetscInt, Vec, InsertMode);
 83:   PetscErrorCode (*stridescatter)(Vec, PetscInt, Vec, InsertMode);
 84:   PetscErrorCode (*dotnorm2)(Vec, Vec, PetscScalar *, PetscScalar *);
 85:   PetscErrorCode (*getsubvector)(Vec, IS, Vec *);
 86:   PetscErrorCode (*restoresubvector)(Vec, IS, Vec *);
 87:   PetscErrorCode (*getarrayread)(Vec, const PetscScalar **);
 88:   PetscErrorCode (*restorearrayread)(Vec, const PetscScalar **);
 89:   PetscErrorCode (*stridesubsetgather)(Vec, PetscInt, const PetscInt[], const PetscInt[], Vec, InsertMode);
 90:   PetscErrorCode (*stridesubsetscatter)(Vec, PetscInt, const PetscInt[], const PetscInt[], Vec, InsertMode);
 91:   PetscErrorCode (*viewnative)(Vec, PetscViewer);
 92:   PetscErrorCode (*loadnative)(Vec, PetscViewer);
 93:   PetscErrorCode (*createlocalvector)(Vec, Vec *);
 94:   PetscErrorCode (*getlocalvector)(Vec, Vec);
 95:   PetscErrorCode (*restorelocalvector)(Vec, Vec);
 96:   PetscErrorCode (*getlocalvectorread)(Vec, Vec);
 97:   PetscErrorCode (*restorelocalvectorread)(Vec, Vec);
 98:   PetscErrorCode (*bindtocpu)(Vec, PetscBool);
 99:   PetscErrorCode (*getarraywrite)(Vec, PetscScalar **);
100:   PetscErrorCode (*restorearraywrite)(Vec, PetscScalar **);
101:   PetscErrorCode (*getarrayandmemtype)(Vec, PetscScalar **, PetscMemType *);
102:   PetscErrorCode (*restorearrayandmemtype)(Vec, PetscScalar **);
103:   PetscErrorCode (*getarrayreadandmemtype)(Vec, const PetscScalar **, PetscMemType *);
104:   PetscErrorCode (*restorearrayreadandmemtype)(Vec, const PetscScalar **);
105:   PetscErrorCode (*getarraywriteandmemtype)(Vec, PetscScalar **, PetscMemType *);
106:   PetscErrorCode (*restorearraywriteandmemtype)(Vec, PetscScalar **, PetscMemType *);
107:   PetscErrorCode (*concatenate)(PetscInt, const Vec[], Vec *, IS *[]);
108:   PetscErrorCode (*sum)(Vec, PetscScalar *);
109:   PetscErrorCode (*setpreallocationcoo)(Vec, PetscCount, const PetscInt[]);
110:   PetscErrorCode (*setvaluescoo)(Vec, const PetscScalar[], InsertMode);
111:   PetscErrorCode (*errorwnorm)(Vec, Vec, Vec, NormType, PetscReal, Vec, PetscReal, Vec, PetscReal, PetscReal *, PetscInt *, PetscReal *, PetscInt *, PetscReal *, PetscInt *);
112:   PetscErrorCode (*maxpby)(Vec, PetscInt, const PetscScalar *, PetscScalar, Vec *); /* y = beta y + alpha[j] x[j] */
113:   PetscErrorCode (*setstdbasis)(Vec, PetscInt);
114: };

116: #if defined(offsetof) && (defined(__cplusplus) || (PETSC_C_VERSION >= 23))
117: static_assert(offsetof(struct _VecOps, duplicate) == sizeof(PetscErrorCodeFn *) * VECOP_DUPLICATE, "");
118: static_assert(offsetof(struct _VecOps, set) == sizeof(PetscErrorCodeFn *) * VECOP_SET, "");
119: static_assert(offsetof(struct _VecOps, view) == sizeof(PetscErrorCodeFn *) * VECOP_VIEW, "");
120: static_assert(offsetof(struct _VecOps, load) == sizeof(PetscErrorCodeFn *) * VECOP_LOAD, "");
121: static_assert(offsetof(struct _VecOps, viewnative) == sizeof(PetscErrorCodeFn *) * VECOP_VIEWNATIVE, "");
122: static_assert(offsetof(struct _VecOps, loadnative) == sizeof(PetscErrorCodeFn *) * VECOP_LOADNATIVE, "");
123: #endif

125: /*
126:     The stash is used to temporarily store inserted vec values that
127:   belong to another processor. During the assembly phase the stashed
128:   values are moved to the correct processor and
129: */

131: typedef struct {
132:   PetscInt     nmax;     /* maximum stash size */
133:   PetscInt     umax;     /* max stash size user wants */
134:   PetscInt     oldnmax;  /* the nmax value used previously */
135:   PetscInt     n;        /* stash size */
136:   PetscInt     bs;       /* block size of the stash */
137:   PetscInt     reallocs; /* preserve the no of mallocs invoked */
138:   PetscInt    *idx;      /* global row numbers in stash */
139:   PetscScalar *array;    /* array to hold stashed values */
140:   /* The following variables are used for communication */
141:   MPI_Comm     comm;
142:   PetscMPIInt  size, rank;
143:   PetscMPIInt  tag1, tag2;
144:   MPI_Request *send_waits;        /* array of send requests */
145:   MPI_Request *recv_waits;        /* array of receive requests */
146:   MPI_Status  *send_status;       /* array of send status */
147:   PetscMPIInt  nsends, nrecvs;    /* numbers of sends and receives */
148:   PetscScalar *svalues, *rvalues; /* sending and receiving data */
149:   PetscInt    *sindices, *rindices;
150:   PetscInt     rmax;       /* maximum message length */
151:   PetscInt    *nprocs;     /* tmp data used both during scatterbegin and end */
152:   PetscMPIInt  nprocessed; /* number of messages already processed */
153:   PetscBool    donotstash;
154:   PetscBool    ignorenegidx; /* ignore negative indices passed into VecSetValues/VetGetValues */
155:   InsertMode   insertmode;
156:   PetscInt    *bowners;
157: } VecStash;

159: struct _p_Vec {
160:   PETSCHEADER(struct _VecOps);
161:   PetscLayout map;
162:   void       *data; /* implementation-specific data */
163:   PetscBool   array_gotten;
164:   VecStash    stash, bstash; /* used for storing off-proc values during assembly */
165:   PetscBool   petscnative;   /* means the ->data starts with VECHEADER and can use VecGetArrayFast()*/
166:   PetscInt    lock;          /* lock state. vector can be free (=0), locked for read (>0) or locked for write(<0) */
167: #if PetscDefined(USE_DEBUG)
168:   PetscStack lockstack; /* the file,func,line of where locks are added */
169: #endif
170:   PetscOffloadMask offloadmask; /* a mask which indicates where the valid vector data is (GPU, CPU or both) */
171: #if PetscDefined(HAVE_DEVICE)
172:   void     *spptr; /* this is the special pointer to the array on the GPU */
173:   PetscBool boundtocpu;
174:   PetscBool bindingpropagates;
175:   size_t    minimum_bytes_pinned_memory; /* minimum data size in bytes for which pinned memory will be allocated */
176:   PetscBool pinned_memory;               /* PETSC_TRUE if the current host allocation has been made from pinned memory. */
177: #endif
178:   char *defaultrandtype;
179: };

181: PETSC_EXTERN PetscLogEvent VEC_SetRandom;
182: PETSC_EXTERN PetscLogEvent VEC_View;
183: PETSC_EXTERN PetscLogEvent VEC_Max;
184: PETSC_EXTERN PetscLogEvent VEC_Min;
185: PETSC_EXTERN PetscLogEvent VEC_Dot;
186: PETSC_EXTERN PetscLogEvent VEC_MDot;
187: PETSC_EXTERN PetscLogEvent VEC_TDot;
188: PETSC_EXTERN PetscLogEvent VEC_MTDot;
189: PETSC_EXTERN PetscLogEvent VEC_Norm;
190: PETSC_EXTERN PetscLogEvent VEC_Normalize;
191: PETSC_EXTERN PetscLogEvent VEC_Scale;
192: PETSC_EXTERN PetscLogEvent VEC_Shift;
193: PETSC_EXTERN PetscLogEvent VEC_Copy;
194: PETSC_EXTERN PetscLogEvent VEC_Set;
195: PETSC_EXTERN PetscLogEvent VEC_AXPY;
196: PETSC_EXTERN PetscLogEvent VEC_AYPX;
197: PETSC_EXTERN PetscLogEvent VEC_WAXPY;
198: PETSC_EXTERN PetscLogEvent VEC_MAXPY;
199: PETSC_EXTERN PetscLogEvent VEC_AssemblyEnd;
200: PETSC_EXTERN PetscLogEvent VEC_PointwiseMult;
201: PETSC_EXTERN PetscLogEvent VEC_PointwiseDivide;
202: PETSC_EXTERN PetscLogEvent VEC_Reciprocal;
203: PETSC_EXTERN PetscLogEvent VEC_SetValues;
204: PETSC_EXTERN PetscLogEvent VEC_SetPreallocateCOO;
205: PETSC_EXTERN PetscLogEvent VEC_SetValuesCOO;
206: PETSC_EXTERN PetscLogEvent VEC_Load;
207: PETSC_EXTERN PetscLogEvent VEC_ScatterBegin;
208: PETSC_EXTERN PetscLogEvent VEC_ScatterEnd;
209: PETSC_EXTERN PetscLogEvent VEC_ReduceArithmetic;
210: PETSC_EXTERN PetscLogEvent VEC_ReduceCommunication;
211: PETSC_EXTERN PetscLogEvent VEC_ReduceBegin;
212: PETSC_EXTERN PetscLogEvent VEC_ReduceEnd;
213: PETSC_EXTERN PetscLogEvent VEC_Swap;
214: PETSC_EXTERN PetscLogEvent VEC_AssemblyBegin;
215: PETSC_EXTERN PetscLogEvent VEC_DotNorm2;
216: PETSC_EXTERN PetscLogEvent VEC_AXPBYPCZ;
217: PETSC_EXTERN PetscLogEvent VEC_Ops;
218: PETSC_EXTERN PetscLogEvent VEC_ViennaCLCopyToGPU;
219: PETSC_EXTERN PetscLogEvent VEC_ViennaCLCopyFromGPU;
220: PETSC_EXTERN PetscLogEvent VEC_CUDACopyToGPU;
221: PETSC_EXTERN PetscLogEvent VEC_CUDACopyFromGPU;
222: PETSC_EXTERN PetscLogEvent VEC_HIPCopyToGPU;
223: PETSC_EXTERN PetscLogEvent VEC_HIPCopyFromGPU;

225: PETSC_SINGLE_LIBRARY_INTERN PetscErrorCode VecView_Seq(Vec, PetscViewer);
226: #if PetscDefined(HAVE_VIENNACL)
227: PETSC_EXTERN PetscErrorCode VecViennaCLAllocateCheckHost(Vec v);
228: PETSC_EXTERN PetscErrorCode VecViennaCLCopyFromGPU(Vec v);
229: #endif

231: /*
232:      Common header shared by array based vectors,
233:    currently Vec_Seq and Vec_MPI
234: */
235: #define VECHEADER \
236:   PetscScalar *array; \
237:   PetscScalar *array_allocated; /* if the array was allocated by PETSc this is its pointer */ \
238:   PetscScalar *unplacedarray;   /* if one called VecPlaceArray(), this is where it stashed the original */

240: /* Get Root type of vector. e.g. VECSEQ -> VECSTANDARD, VECMPICUDA -> VECCUDA */
241: PETSC_EXTERN PetscErrorCode VecGetRootType_Private(Vec, VecType *);

243: /* Default obtain and release vectors; can be used by any implementation */
244: PETSC_INTERN PetscErrorCode VecDuplicateVecs_Default(Vec, PetscInt, Vec *[]);
245: PETSC_INTERN PetscErrorCode VecDestroyVecs_Default(PetscInt, Vec[]);
246: PETSC_INTERN PetscErrorCode VecView_Binary(Vec, PetscViewer);

248: PETSC_SINGLE_LIBRARY_INTERN PetscErrorCode VecLoad_Default(Vec, PetscViewer);

250: PETSC_INTERN PetscInt NormIds[4]; /* map from NormType to IDs used to cache/retrieve values of norms, 1_AND_2 is excluded */

252: PETSC_INTERN PetscErrorCode VecStashCreate_Private(MPI_Comm, PetscInt, VecStash *);
253: PETSC_INTERN PetscErrorCode VecStashDestroy_Private(VecStash *);
254: PETSC_INTERN PetscErrorCode VecStashScatterEnd_Private(VecStash *);
255: PETSC_INTERN PetscErrorCode VecStashSetInitialSize_Private(VecStash *, PetscInt);
256: PETSC_INTERN PetscErrorCode VecStashGetInfo_Private(VecStash *, PetscInt *, PetscInt *);
257: PETSC_INTERN PetscErrorCode VecStashScatterBegin_Private(VecStash *, const PetscInt *);
258: PETSC_INTERN PetscErrorCode VecStashScatterGetMesg_Private(VecStash *, PetscMPIInt *, PetscInt **, PetscScalar **, PetscInt *);
259: PETSC_INTERN PetscErrorCode VecStashSortCompress_Private(VecStash *);
260: PETSC_INTERN PetscErrorCode VecStashGetOwnerList_Private(VecStash *, PetscLayout, PetscMPIInt *, PetscMPIInt **);

262: PETSC_INTERN PetscErrorCode VecStashExpand_Private(VecStash *, PetscInt);

264: /*
265:   VecStashValue_Private - inserts a single value into the stash.

267:   Input Parameters:
268:   stash  - the stash
269:   idx    - the global of the inserted value
270:   values - the value inserted
271: */
272: static inline PetscErrorCode VecStashValue_Private(VecStash *stash, PetscInt row, PetscScalar value)
273: {
274:   /* Check and see if we have sufficient memory */
275:   PetscFunctionBegin;
276:   if ((stash->n + 1) > stash->nmax) PetscCall(VecStashExpand_Private(stash, 1));
277:   stash->idx[stash->n]   = row;
278:   stash->array[stash->n] = value;
279:   stash->n++;
280:   PetscFunctionReturn(PETSC_SUCCESS);
281: }

283: /*
284:   VecStashValuesBlocked_Private - inserts 1 block of values into the stash.

286:   Input Parameters:
287:   stash  - the stash
288:   idx    - the global block index
289:   values - the values inserted
290: */
291: static inline PetscErrorCode VecStashValuesBlocked_Private(VecStash *stash, PetscInt row, PetscScalar *values)
292: {
293:   PetscInt     stash_bs = stash->bs;
294:   PetscScalar *array;

296:   PetscFunctionBegin;
297:   if ((stash->n + 1) > stash->nmax) PetscCall(VecStashExpand_Private(stash, 1));
298:   array                = stash->array + stash_bs * stash->n;
299:   stash->idx[stash->n] = row;
300:   if (values) PetscCall(PetscArraycpy(array, values, stash_bs));
301:   else PetscCall(PetscArrayzero(array, stash_bs));
302:   stash->n++;
303:   PetscFunctionReturn(PETSC_SUCCESS);
304: }

306: PETSC_INTERN PetscErrorCode VecStrideGather_Default(Vec, PetscInt, Vec, InsertMode);
307: PETSC_INTERN PetscErrorCode VecStrideScatter_Default(Vec, PetscInt, Vec, InsertMode);
308: PETSC_INTERN PetscErrorCode VecStrideSubSetGather_Default(Vec, PetscInt, const PetscInt[], const PetscInt[], Vec, InsertMode);
309: PETSC_INTERN PetscErrorCode VecStrideSubSetScatter_Default(Vec, PetscInt, const PetscInt[], const PetscInt[], Vec, InsertMode);

311: PETSC_INTERN PetscErrorCode VecReciprocal_Default(Vec);
312: #if PetscDefined(HAVE_MATLAB)
313: PETSC_EXTERN PetscErrorCode VecMatlabEnginePut_Default(PetscObject, void *);
314: PETSC_EXTERN PetscErrorCode VecMatlabEngineGet_Default(PetscObject, void *);
315: #endif

317: PETSC_SINGLE_LIBRARY_INTERN PetscErrorCode PetscSectionGetField_Internal(PetscSection, PetscSection, Vec, PetscInt, PetscInt, PetscInt, IS *, Vec *);
318: PETSC_SINGLE_LIBRARY_INTERN PetscErrorCode PetscSectionRestoreField_Internal(PetscSection, PetscSection, Vec, PetscInt, PetscInt, PetscInt, IS *, Vec *);

320: #define VecCheckSameLocalSize(x, ar1, y, ar2) \
321:   do { \
322:     PetscCheck((x)->map->n == (y)->map->n, PETSC_COMM_SELF, PETSC_ERR_ARG_INCOMP, "Incompatible vector local lengths parameter # %d local size %" PetscInt_FMT " != parameter # %d local size %" PetscInt_FMT, ar1, (x)->map->n, ar2, (y)->map->n); \
323:   } while (0)

325: #define VecCheckSameSize(x, ar1, y, ar2) \
326:   do { \
327:     PetscCheck((x)->map->N == (y)->map->N, PetscObjectComm((PetscObject)(x)), PETSC_ERR_ARG_INCOMP, "Incompatible vector global lengths parameter # %d global size %" PetscInt_FMT " != parameter # %d global size %" PetscInt_FMT, ar1, (x)->map->N, ar2, \
328:                (y)->map->N); \
329:     VecCheckSameLocalSize(x, ar1, y, ar2); \
330:   } while (0)

332: #define VecCheckLocalSize(x, ar1, n) \
333:   do { \
334:     PetscCheck((x)->map->n == (n), PETSC_COMM_SELF, PETSC_ERR_ARG_INCOMP, "Incorrect vector local size: parameter # %d local size %" PetscInt_FMT " != %" PetscInt_FMT, ar1, (x)->map->n, n); \
335:   } while (0)

337: #define VecCheckSize(x, ar1, n, N) \
338:   do { \
339:     PetscCheck((x)->map->N == (N), PetscObjectComm((PetscObject)(x)), PETSC_ERR_ARG_INCOMP, "Incorrect vector global size: parameter # %d global size %" PetscInt_FMT " != %" PetscInt_FMT, ar1, (x)->map->N, N); \
340:     VecCheckLocalSize(x, ar1, n); \
341:   } while (0)

343: typedef struct _VecTaggerOps *VecTaggerOps;
344: struct _VecTaggerOps {
345:   PetscErrorCode (*create)(VecTagger);
346:   PetscErrorCode (*destroy)(VecTagger);
347:   PetscErrorCode (*setfromoptions)(VecTagger, PetscOptionItems);
348:   PetscErrorCode (*setup)(VecTagger);
349:   PetscErrorCode (*view)(VecTagger, PetscViewer);
350:   PetscErrorCode (*computeboxes)(VecTagger, Vec, PetscInt *, VecTaggerBox **, PetscBool *);
351:   PetscErrorCode (*computeis)(VecTagger, Vec, IS *, PetscBool *);
352: };
353: struct _p_VecTagger {
354:   PETSCHEADER(struct _VecTaggerOps);
355:   void     *data;
356:   PetscInt  blocksize;
357:   PetscBool invert;
358:   PetscBool setupcalled;
359: };

361: PETSC_INTERN PetscBool      VecTaggerRegisterAllCalled;
362: PETSC_INTERN PetscErrorCode VecTaggerComputeIS_FromBoxes(VecTagger, Vec, IS *, PetscBool *);
363: PETSC_INTERN PetscMPIInt    Petsc_Reduction_keyval;

365: PETSC_INTERN PetscInt       VecGetSubVectorSavedStateId;
366: PETSC_INTERN PetscErrorCode VecGetSubVectorContiguityAndBS_Private(Vec, IS, PetscBool *, PetscInt *, PetscInt *);
367: PETSC_INTERN PetscErrorCode VecGetSubVectorThroughVecScatter_Private(Vec, IS, PetscInt, Vec *);

369: #if PetscDefined(HAVE_CUDA)
370: PETSC_INTERN PetscErrorCode VecCreate_CUDA(Vec);
371: PETSC_INTERN PetscErrorCode VecCreate_SeqCUDA(Vec);
372: PETSC_INTERN PetscErrorCode VecCreate_MPICUDA(Vec);
373: PETSC_INTERN PetscErrorCode VecCUDAGetArrays_Private(Vec, const PetscScalar **, const PetscScalar **, PetscOffloadMask *);
374: PETSC_INTERN PetscErrorCode VecConvert_Seq_SeqCUDA_inplace(Vec);
375: PETSC_INTERN PetscErrorCode VecConvert_MPI_MPICUDA_inplace(Vec);
376: #endif

378: #if PetscDefined(HAVE_HIP)
379: PETSC_INTERN PetscErrorCode VecCreate_HIP(Vec);
380: PETSC_INTERN PetscErrorCode VecCreate_SeqHIP(Vec);
381: PETSC_INTERN PetscErrorCode VecCreate_MPIHIP(Vec);
382: PETSC_INTERN PetscErrorCode VecHIPGetArrays_Private(Vec, const PetscScalar **, const PetscScalar **, PetscOffloadMask *);
383: PETSC_INTERN PetscErrorCode VecConvert_Seq_SeqHIP_inplace(Vec);
384: PETSC_INTERN PetscErrorCode VecConvert_MPI_MPIHIP_inplace(Vec);
385: #endif

387: #if PetscDefined(HAVE_KOKKOS)
388: PETSC_INTERN PetscErrorCode VecCreateMPIKokkosWithArrays_Private(MPI_Comm, PetscInt, PetscInt, PetscInt, const PetscScalar *, const PetscScalar *, Vec *);
389: PETSC_INTERN PetscErrorCode VecConvert_Seq_SeqKokkos_inplace(Vec, PetscScalar *);
390: PETSC_INTERN PetscErrorCode VecConvert_MPI_MPIKokkos_inplace(Vec);
391: #endif

393: PETSC_SINGLE_LIBRARY_INTERN PetscErrorCode VecCreateWithLayout_Private(PetscLayout, Vec *);
394: PETSC_SINGLE_LIBRARY_INTERN PetscErrorCode VecCreateSeqWithLayoutAndArray_Private(PetscLayout, const PetscScalar *, Vec *);
395: PETSC_SINGLE_LIBRARY_INTERN PetscErrorCode VecCreateMPIWithLayoutAndArray_Private(PetscLayout, const PetscScalar *, Vec *);

397: /* std::upper_bound(): Given a sorted array, return index of the first element in range [first,last) whose value
398:    is greater than value, or last if there is no such element.
399: */
400: static inline PetscErrorCode PetscSortedIntUpperBound(const PetscInt *array, PetscCount first, PetscCount last, PetscInt value, PetscCount *upper)
401: {
402:   PetscCount count = last - first;

404:   PetscFunctionBegin;
405:   while (count > 0) {
406:     const PetscCount step = count / 2;
407:     PetscCount       it   = first + step;

409:     if (value < array[it]) {
410:       count = step;
411:     } else {
412:       first = it + 1;
413:       count -= step + 1;
414:     }
415:   }
416:   *upper = first;
417:   PetscFunctionReturn(PETSC_SUCCESS);
418: }

420: #define VEC_ASYNC_FN_NAME(Base) "Vec" Base "Async_Private_C"
421: #define VecAsyncFnName(Base)    VEC_##Base##_ASYNC_FN_NAME

423: #define VEC_Abs_ASYNC_FN_NAME             VEC_ASYNC_FN_NAME("Abs")
424: #define VEC_AXPBY_ASYNC_FN_NAME           VEC_ASYNC_FN_NAME("AXPBY")
425: #define VEC_AXPBYPCZ_ASYNC_FN_NAME        VEC_ASYNC_FN_NAME("AXPBYPCZ")
426: #define VEC_AXPY_ASYNC_FN_NAME            VEC_ASYNC_FN_NAME("AXPY")
427: #define VEC_AYPX_ASYNC_FN_NAME            VEC_ASYNC_FN_NAME("AYPX")
428: #define VEC_Conjugate_ASYNC_FN_NAME       VEC_ASYNC_FN_NAME("Conjugate")
429: #define VEC_Copy_ASYNC_FN_NAME            VEC_ASYNC_FN_NAME("Copy")
430: #define VEC_Exp_ASYNC_FN_NAME             VEC_ASYNC_FN_NAME("Exp")
431: #define VEC_Log_ASYNC_FN_NAME             VEC_ASYNC_FN_NAME("Log")
432: #define VEC_MAXPY_ASYNC_FN_NAME           VEC_ASYNC_FN_NAME("MAXPY")
433: #define VEC_PointwiseDivide_ASYNC_FN_NAME VEC_ASYNC_FN_NAME("PointwiseDivide")
434: #define VEC_PointwiseMax_ASYNC_FN_NAME    VEC_ASYNC_FN_NAME("PointwiseMax")
435: #define VEC_PointwiseMaxAbs_ASYNC_FN_NAME VEC_ASYNC_FN_NAME("PointwiseMaxAbs")
436: #define VEC_PointwiseMin_ASYNC_FN_NAME    VEC_ASYNC_FN_NAME("PointwiseMin")
437: #define VEC_PointwiseMult_ASYNC_FN_NAME   VEC_ASYNC_FN_NAME("PointwiseMult")
438: #define VEC_PointwiseSign_ASYNC_FN_NAME   VEC_ASYNC_FN_NAME("PointwiseSign")
439: #define VEC_Reciprocal_ASYNC_FN_NAME      VEC_ASYNC_FN_NAME("Reciprocal")
440: #define VEC_Scale_ASYNC_FN_NAME           VEC_ASYNC_FN_NAME("Scale")
441: #define VEC_Set_ASYNC_FN_NAME             VEC_ASYNC_FN_NAME("Set")
442: #define VEC_Shift_ASYNC_FN_NAME           VEC_ASYNC_FN_NAME("Shift")
443: #define VEC_SqrtAbs_ASYNC_FN_NAME         VEC_ASYNC_FN_NAME("SqrtAbs")
444: #define VEC_Swap_ASYNC_FN_NAME            VEC_ASYNC_FN_NAME("Swap")
445: #define VEC_WAXPY_ASYNC_FN_NAME           VEC_ASYNC_FN_NAME("WAXPY")
446: #define VEC_SetStdBasis_ASYNC_FN_NAME     VEC_ASYNC_FN_NAME("SetStdBasis")

448: PETSC_INTERN PetscErrorCode VecAbsAsync_Private(Vec, PetscDeviceContext);
449: PETSC_INTERN PetscErrorCode VecAXPBYAsync_Private(Vec, PetscScalar, PetscScalar, Vec, PetscDeviceContext);
450: PETSC_INTERN PetscErrorCode VecAXPBYPCZAsync_Private(Vec, PetscScalar, PetscScalar, PetscScalar, Vec, Vec, PetscDeviceContext);
451: PETSC_INTERN PetscErrorCode VecAXPYAsync_Private(Vec, PetscScalar, Vec, PetscDeviceContext);
452: PETSC_INTERN PetscErrorCode VecAYPXAsync_Private(Vec, PetscScalar, Vec, PetscDeviceContext);
453: PETSC_INTERN PetscErrorCode VecConjugateAsync_Private(Vec, PetscDeviceContext);
454: PETSC_INTERN PetscErrorCode VecCopyAsync_Private(Vec, Vec, PetscDeviceContext);
455: PETSC_INTERN PetscErrorCode VecExpAsync_Private(Vec, PetscDeviceContext);
456: PETSC_INTERN PetscErrorCode VecLogAsync_Private(Vec, PetscDeviceContext);
457: PETSC_INTERN PetscErrorCode VecMAXPYAsync_Private(Vec, PetscInt, const PetscScalar *, Vec[], PetscDeviceContext);
458: PETSC_INTERN PetscErrorCode VecPointwiseDivideAsync_Private(Vec, Vec, Vec, PetscDeviceContext);
459: PETSC_INTERN PetscErrorCode VecPointwiseMaxAsync_Private(Vec, Vec, Vec, PetscDeviceContext);
460: PETSC_INTERN PetscErrorCode VecPointwiseMaxAbsAsync_Private(Vec, Vec, Vec, PetscDeviceContext);
461: PETSC_INTERN PetscErrorCode VecPointwiseMinAsync_Private(Vec, Vec, Vec, PetscDeviceContext);
462: PETSC_INTERN PetscErrorCode VecPointwiseMultAsync_Private(Vec, Vec, Vec, PetscDeviceContext);
463: PETSC_INTERN PetscErrorCode VecPointwiseSignAsync_Private(Vec, Vec, VecSignMode, PetscDeviceContext);
464: PETSC_INTERN PetscErrorCode VecReciprocalAsync_Private(Vec, PetscDeviceContext);
465: PETSC_INTERN PetscErrorCode VecScaleAsync_Private(Vec, PetscScalar, PetscDeviceContext);
466: PETSC_INTERN PetscErrorCode VecSetAsync_Private(Vec, PetscScalar, PetscDeviceContext);
467: PETSC_INTERN PetscErrorCode VecShiftAsync_Private(Vec, PetscScalar, PetscDeviceContext);
468: PETSC_INTERN PetscErrorCode VecSqrtAbsAsync_Private(Vec, PetscDeviceContext);
469: PETSC_INTERN PetscErrorCode VecSwapAsync_Private(Vec, Vec, PetscDeviceContext);
470: PETSC_INTERN PetscErrorCode VecWAXPYAsync_Private(Vec, PetscScalar, Vec, Vec, PetscDeviceContext);

472: #define VecMethodDispatch(v, dctx, async_name, name, async_arg_types, ...) \
473:   do { \
474:     PetscErrorCode(*_8_f) async_arg_types = NULL; \
475:     if (dctx) PetscCall(PetscObjectQueryFunction((PetscObject)(v), async_name, &_8_f)); \
476:     if (_8_f) { \
477:       PetscCall((*_8_f)(v, __VA_ARGS__, dctx)); \
478:     } else { \
479:       PetscUseTypeMethod(v, name, __VA_ARGS__); \
480:     } \
481:   } while (0)

483: // return in lda the vector's local size aligned to  bytes, where lda is an integer pointer
484: #define VecGetLocalSizeAligned(v, alignment, lda) \
485:   do { \
486:     PetscInt     n = (v)->map->n; \
487:     const size_t s = (alignment) / sizeof(PetscScalar); \
488:     *(lda)         = ((n + s - 1) / s) * s; \
489:   } while (0)

491: #define VecSignZeroToZero_Private(y) (((y) > 0) - ((y) < 0))

493: #define VecSignZeroToSignedUnit_Private(y) PetscCopysignReal(1.0, (y))

495: #define VecSignZeroToSignedZero_Private(y) (PetscCopysignReal(1.0, (y)) * ((y) != 0.0))