Actual source code: vecimpl.h
2: /*
3: This private file should not be included in users' code.
4: Defines the fields shared by all vector implementations.
6: */
8: #ifndef __VECIMPL_H
11: #include <petscvec.h>
12: #include <petsc/private/petscimpl.h>
13: #include <petscviewer.h>
15: PETSC_EXTERN PetscBool VecRegisterAllCalled;
16: PETSC_EXTERN PetscErrorCode VecRegisterAll(void);
17: PETSC_EXTERN MPI_Op MPIU_MAXINDEX_OP;
18: PETSC_EXTERN MPI_Op MPIU_MININDEX_OP;
20: /* ----------------------------------------------------------------------------*/
22: typedef struct _VecOps *VecOps;
23: struct _VecOps {
24: PetscErrorCode (*duplicate)(Vec,Vec*); /* get single vector */
25: PetscErrorCode (*duplicatevecs)(Vec,PetscInt,Vec**); /* get array of vectors */
26: PetscErrorCode (*destroyvecs)(PetscInt,Vec[]); /* free array of vectors */
27: PetscErrorCode (*dot)(Vec,Vec,PetscScalar*); /* z = x^H * y */
28: PetscErrorCode (*mdot)(Vec,PetscInt,const Vec[],PetscScalar*); /* z[j] = x dot y[j] */
29: PetscErrorCode (*norm)(Vec,NormType,PetscReal*); /* z = sqrt(x^H * x) */
30: PetscErrorCode (*tdot)(Vec,Vec,PetscScalar*); /* x'*y */
31: PetscErrorCode (*mtdot)(Vec,PetscInt,const Vec[],PetscScalar*);/* z[j] = x dot y[j] */
32: PetscErrorCode (*scale)(Vec,PetscScalar); /* x = alpha * x */
33: PetscErrorCode (*copy)(Vec,Vec); /* y = x */
34: PetscErrorCode (*set)(Vec,PetscScalar); /* y = alpha */
35: PetscErrorCode (*swap)(Vec,Vec); /* exchange x and y */
36: PetscErrorCode (*axpy)(Vec,PetscScalar,Vec); /* y = y + alpha * x */
37: PetscErrorCode (*axpby)(Vec,PetscScalar,PetscScalar,Vec); /* y = alpha * x + beta * y*/
38: PetscErrorCode (*maxpy)(Vec,PetscInt,const PetscScalar*,Vec*); /* y = y + alpha[j] x[j] */
39: PetscErrorCode (*aypx)(Vec,PetscScalar,Vec); /* y = x + alpha * y */
40: PetscErrorCode (*waxpy)(Vec,PetscScalar,Vec,Vec); /* w = y + alpha * x */
41: PetscErrorCode (*axpbypcz)(Vec,PetscScalar,PetscScalar,PetscScalar,Vec,Vec); /* z = alpha * x + beta *y + gamma *z*/
42: PetscErrorCode (*pointwisemult)(Vec,Vec,Vec); /* w = x .* y */
43: PetscErrorCode (*pointwisedivide)(Vec,Vec,Vec); /* w = x ./ y */
44: PetscErrorCode (*setvalues)(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
45: PetscErrorCode (*assemblybegin)(Vec); /* start global assembly */
46: PetscErrorCode (*assemblyend)(Vec); /* end global assembly */
47: PetscErrorCode (*getarray)(Vec,PetscScalar**); /* get data array */
48: PetscErrorCode (*getsize)(Vec,PetscInt*);
49: PetscErrorCode (*getlocalsize)(Vec,PetscInt*);
50: PetscErrorCode (*restorearray)(Vec,PetscScalar**); /* restore data array */
51: PetscErrorCode (*max)(Vec,PetscInt*,PetscReal*); /* z = max(x); idx=index of max(x) */
52: PetscErrorCode (*min)(Vec,PetscInt*,PetscReal*); /* z = min(x); idx=index of min(x) */
53: PetscErrorCode (*setrandom)(Vec,PetscRandom); /* set y[j] = random numbers */
54: PetscErrorCode (*setoption)(Vec,VecOption,PetscBool);
55: PetscErrorCode (*setvaluesblocked)(Vec,PetscInt,const PetscInt[],const PetscScalar[],InsertMode);
56: PetscErrorCode (*destroy)(Vec);
57: PetscErrorCode (*view)(Vec,PetscViewer);
58: PetscErrorCode (*placearray)(Vec,const PetscScalar*); /* place data array */
59: PetscErrorCode (*replacearray)(Vec,const PetscScalar*); /* replace data array */
60: PetscErrorCode (*dot_local)(Vec,Vec,PetscScalar*);
61: PetscErrorCode (*tdot_local)(Vec,Vec,PetscScalar*);
62: PetscErrorCode (*norm_local)(Vec,NormType,PetscReal*);
63: PetscErrorCode (*mdot_local)(Vec,PetscInt,const Vec[],PetscScalar*);
64: PetscErrorCode (*mtdot_local)(Vec,PetscInt,const Vec[],PetscScalar*);
65: PetscErrorCode (*load)(Vec,PetscViewer);
66: PetscErrorCode (*reciprocal)(Vec);
67: PetscErrorCode (*conjugate)(Vec);
68: PetscErrorCode (*setlocaltoglobalmapping)(Vec,ISLocalToGlobalMapping);
69: PetscErrorCode (*setvalueslocal)(Vec,PetscInt,const PetscInt *,const PetscScalar *,InsertMode);
70: PetscErrorCode (*resetarray)(Vec); /* vector points to its original array, i.e. undoes any VecPlaceArray() */
71: PetscErrorCode (*setfromoptions)(PetscOptionItems*,Vec);
72: PetscErrorCode (*maxpointwisedivide)(Vec,Vec,PetscReal*); /* m = max abs(x ./ y) */
73: PetscErrorCode (*pointwisemax)(Vec,Vec,Vec);
74: PetscErrorCode (*pointwisemaxabs)(Vec,Vec,Vec);
75: PetscErrorCode (*pointwisemin)(Vec,Vec,Vec);
76: PetscErrorCode (*getvalues)(Vec,PetscInt,const PetscInt[],PetscScalar[]);
77: PetscErrorCode (*sqrt)(Vec);
78: PetscErrorCode (*abs)(Vec);
79: PetscErrorCode (*exp)(Vec);
80: PetscErrorCode (*log)(Vec);
81: PetscErrorCode (*shift)(Vec,PetscScalar);
82: PetscErrorCode (*create)(Vec);
83: PetscErrorCode (*stridegather)(Vec,PetscInt,Vec,InsertMode);
84: PetscErrorCode (*stridescatter)(Vec,PetscInt,Vec,InsertMode);
85: PetscErrorCode (*dotnorm2)(Vec,Vec,PetscScalar*,PetscScalar*);
86: PetscErrorCode (*getsubvector)(Vec,IS,Vec*);
87: PetscErrorCode (*restoresubvector)(Vec,IS,Vec*);
88: PetscErrorCode (*getarrayread)(Vec,const PetscScalar**);
89: PetscErrorCode (*restorearrayread)(Vec,const PetscScalar**);
90: PetscErrorCode (*stridesubsetgather)(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode);
91: PetscErrorCode (*stridesubsetscatter)(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode);
92: PetscErrorCode (*viewnative)(Vec,PetscViewer);
93: PetscErrorCode (*loadnative)(Vec,PetscViewer);
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 (*getarrayreadandmemtype)(Vec,const PetscScalar**,PetscMemType*);
103: PetscErrorCode (*restorearrayandmemtype)(Vec,PetscScalar**);
104: PetscErrorCode (*restorearrayreadandmemtype)(Vec,const PetscScalar**);
105: PetscErrorCode (*concatenate)(PetscInt,const Vec[],Vec*,IS*[]);
106: };
108: /*
109: The stash is used to temporarily store inserted vec values that
110: belong to another processor. During the assembly phase the stashed
111: values are moved to the correct processor and
112: */
114: typedef struct {
115: PetscInt nmax; /* maximum stash size */
116: PetscInt umax; /* max stash size user wants */
117: PetscInt oldnmax; /* the nmax value used previously */
118: PetscInt n; /* stash size */
119: PetscInt bs; /* block size of the stash */
120: PetscInt reallocs; /* preserve the no of mallocs invoked */
121: PetscInt *idx; /* global row numbers in stash */
122: PetscScalar *array; /* array to hold stashed values */
123: /* The following variables are used for communication */
124: MPI_Comm comm;
125: PetscMPIInt size,rank;
126: PetscMPIInt tag1,tag2;
127: MPI_Request *send_waits; /* array of send requests */
128: MPI_Request *recv_waits; /* array of receive requests */
129: MPI_Status *send_status; /* array of send status */
130: PetscInt nsends,nrecvs; /* numbers of sends and receives */
131: PetscScalar *svalues,*rvalues; /* sending and receiving data */
132: PetscInt *sindices,*rindices;
133: PetscInt rmax; /* maximum message length */
134: PetscInt *nprocs; /* tmp data used both during scatterbegin and end */
135: PetscInt nprocessed; /* number of messages already processed */
136: PetscBool donotstash;
137: PetscBool ignorenegidx; /* ignore negative indices passed into VecSetValues/VetGetValues */
138: InsertMode insertmode;
139: PetscInt *bowners;
140: } VecStash;
142: struct _p_Vec {
143: PETSCHEADER(struct _VecOps);
144: PetscLayout map;
145: void *data; /* implementation-specific data */
146: PetscBool array_gotten;
147: VecStash stash,bstash; /* used for storing off-proc values during assembly */
148: PetscBool petscnative; /* means the ->data starts with VECHEADER and can use VecGetArrayFast()*/
149: PetscInt lock; /* lock state. vector can be free (=0), locked for read (>0) or locked for write(<0) */
150: PetscOffloadMask offloadmask; /* a mask which indicates where the valid vector data is (GPU, CPU or both) */
151: #if defined(PETSC_HAVE_DEVICE)
152: void *spptr; /* this is the special pointer to the array on the GPU */
153: PetscBool boundtocpu;
154: size_t minimum_bytes_pinned_memory; /* minimum data size in bytes for which pinned memory will be allocated */
155: PetscBool pinned_memory; /* PETSC_TRUE if the current host allocation has been made from pinned memory. */
156: #endif
157: char *defaultrandtype;
158: };
160: PETSC_EXTERN PetscLogEvent VEC_SetRandom;
161: PETSC_EXTERN PetscLogEvent VEC_View;
162: PETSC_EXTERN PetscLogEvent VEC_Max;
163: PETSC_EXTERN PetscLogEvent VEC_Min;
164: PETSC_EXTERN PetscLogEvent VEC_Dot;
165: PETSC_EXTERN PetscLogEvent VEC_MDot;
166: PETSC_EXTERN PetscLogEvent VEC_TDot;
167: PETSC_EXTERN PetscLogEvent VEC_MTDot;
168: PETSC_EXTERN PetscLogEvent VEC_Norm;
169: PETSC_EXTERN PetscLogEvent VEC_Normalize;
170: PETSC_EXTERN PetscLogEvent VEC_Scale;
171: PETSC_EXTERN PetscLogEvent VEC_Copy;
172: PETSC_EXTERN PetscLogEvent VEC_Set;
173: PETSC_EXTERN PetscLogEvent VEC_AXPY;
174: PETSC_EXTERN PetscLogEvent VEC_AYPX;
175: PETSC_EXTERN PetscLogEvent VEC_WAXPY;
176: PETSC_EXTERN PetscLogEvent VEC_MAXPY;
177: PETSC_EXTERN PetscLogEvent VEC_AssemblyEnd;
178: PETSC_EXTERN PetscLogEvent VEC_PointwiseMult;
179: PETSC_EXTERN PetscLogEvent VEC_SetValues;
180: PETSC_EXTERN PetscLogEvent VEC_Load;
181: PETSC_EXTERN PetscLogEvent VEC_ScatterBegin;
182: PETSC_EXTERN PetscLogEvent VEC_ScatterEnd;
183: PETSC_EXTERN PetscLogEvent VEC_ReduceArithmetic;
184: PETSC_EXTERN PetscLogEvent VEC_ReduceCommunication;
185: PETSC_EXTERN PetscLogEvent VEC_ReduceBegin;
186: PETSC_EXTERN PetscLogEvent VEC_ReduceEnd;
187: PETSC_EXTERN PetscLogEvent VEC_Swap;
188: PETSC_EXTERN PetscLogEvent VEC_AssemblyBegin;
189: PETSC_EXTERN PetscLogEvent VEC_DotNorm2;
190: PETSC_EXTERN PetscLogEvent VEC_AXPBYPCZ;
191: PETSC_EXTERN PetscLogEvent VEC_Ops;
192: PETSC_EXTERN PetscLogEvent VEC_ViennaCLCopyToGPU;
193: PETSC_EXTERN PetscLogEvent VEC_ViennaCLCopyFromGPU;
194: PETSC_EXTERN PetscLogEvent VEC_CUDACopyToGPU;
195: PETSC_EXTERN PetscLogEvent VEC_CUDACopyFromGPU;
196: PETSC_EXTERN PetscLogEvent VEC_CUDACopyToGPUSome;
197: PETSC_EXTERN PetscLogEvent VEC_CUDACopyFromGPUSome;
198: PETSC_EXTERN PetscLogEvent VEC_HIPCopyToGPU;
199: PETSC_EXTERN PetscLogEvent VEC_HIPCopyFromGPU;
200: PETSC_EXTERN PetscLogEvent VEC_HIPCopyToGPUSome;
201: PETSC_EXTERN PetscLogEvent VEC_HIPCopyFromGPUSome;
203: PETSC_EXTERN PetscErrorCode VecView_Seq(Vec,PetscViewer);
204: #if defined(PETSC_HAVE_VIENNACL)
205: PETSC_EXTERN PetscErrorCode VecViennaCLAllocateCheckHost(Vec v);
206: PETSC_EXTERN PetscErrorCode VecViennaCLCopyFromGPU(Vec v);
207: #endif
208: #if defined(PETSC_HAVE_CUDA)
209: PETSC_EXTERN PetscErrorCode VecCUDAAllocateCheckHost(Vec v);
210: PETSC_EXTERN PetscErrorCode VecCUDACopyFromGPU(Vec v);
211: #endif
212: #if defined(PETSC_HAVE_HIP)
213: PETSC_EXTERN PetscErrorCode VecHIPAllocateCheckHost(Vec v);
214: PETSC_EXTERN PetscErrorCode VecHIPCopyFromGPU(Vec v);
215: #endif
218: /*
219: Common header shared by array based vectors,
220: currently Vec_Seq and Vec_MPI
221: */
222: #define VECHEADER \
223: PetscScalar *array; \
224: PetscScalar *array_allocated; /* if the array was allocated by PETSc this is its pointer */ \
225: PetscScalar *unplacedarray; /* if one called VecPlaceArray(), this is where it stashed the original */
227: /* Lock a vector for exclusive read&write access */
228: #if defined(PETSC_USE_DEBUG)
229: PETSC_INTERN PetscErrorCode VecLockWriteSet_Private(Vec,PetscBool);
230: #else
231: #define VecLockWriteSet_Private(x,flg) 0
232: #endif
234: /* Default obtain and release vectors; can be used by any implementation */
235: PETSC_EXTERN PetscErrorCode VecDuplicateVecs_Default(Vec,PetscInt,Vec *[]);
236: PETSC_EXTERN PetscErrorCode VecDestroyVecs_Default(PetscInt,Vec []);
237: PETSC_EXTERN PetscErrorCode VecView_Binary(Vec, PetscViewer);
238: PETSC_EXTERN PetscErrorCode VecLoad_Binary(Vec, PetscViewer);
239: PETSC_EXTERN PetscErrorCode VecLoad_Default(Vec, PetscViewer);
241: PETSC_EXTERN PetscInt NormIds[7]; /* map from NormType to IDs used to cache/retreive values of norms */
243: PETSC_INTERN PetscErrorCode VecStashCreate_Private(MPI_Comm,PetscInt,VecStash*);
244: PETSC_INTERN PetscErrorCode VecStashDestroy_Private(VecStash*);
245: PETSC_EXTERN PetscErrorCode VecStashExpand_Private(VecStash*,PetscInt);
246: PETSC_INTERN PetscErrorCode VecStashScatterEnd_Private(VecStash*);
247: PETSC_INTERN PetscErrorCode VecStashSetInitialSize_Private(VecStash*,PetscInt);
248: PETSC_INTERN PetscErrorCode VecStashGetInfo_Private(VecStash*,PetscInt*,PetscInt*);
249: PETSC_INTERN PetscErrorCode VecStashScatterBegin_Private(VecStash*,PetscInt*);
250: PETSC_INTERN PetscErrorCode VecStashScatterGetMesg_Private(VecStash*,PetscMPIInt*,PetscInt**,PetscScalar**,PetscInt*);
251: PETSC_INTERN PetscErrorCode VecStashSortCompress_Private(VecStash*);
252: PETSC_INTERN PetscErrorCode VecStashGetOwnerList_Private(VecStash*,PetscLayout,PetscMPIInt*,PetscMPIInt**);
254: /*
255: VecStashValue_Private - inserts a single value into the stash.
257: Input Parameters:
258: stash - the stash
259: idx - the global of the inserted value
260: values - the value inserted
261: */
262: PETSC_STATIC_INLINE PetscErrorCode VecStashValue_Private(VecStash *stash,PetscInt row,PetscScalar value)
263: {
265: /* Check and see if we have sufficient memory */
266: if (((stash)->n + 1) > (stash)->nmax) {
267: VecStashExpand_Private(stash,1);
268: }
269: (stash)->idx[(stash)->n] = row;
270: (stash)->array[(stash)->n] = value;
271: (stash)->n++;
272: return 0;
273: }
275: /*
276: VecStashValuesBlocked_Private - inserts 1 block of values into the stash.
278: Input Parameters:
279: stash - the stash
280: idx - the global block index
281: values - the values inserted
282: */
283: PETSC_STATIC_INLINE PetscErrorCode VecStashValuesBlocked_Private(VecStash *stash,PetscInt row,PetscScalar *values)
284: {
285: PetscInt jj,stash_bs=(stash)->bs;
286: PetscScalar *array;
288: if (((stash)->n+1) > (stash)->nmax) {
289: VecStashExpand_Private(stash,1);
290: }
291: array = (stash)->array + stash_bs*(stash)->n;
292: (stash)->idx[(stash)->n] = row;
293: for (jj=0; jj<stash_bs; jj++) { array[jj] = values[jj];}
294: (stash)->n++;
295: return 0;
296: }
298: PETSC_INTERN PetscErrorCode VecStrideGather_Default(Vec,PetscInt,Vec,InsertMode);
299: PETSC_INTERN PetscErrorCode VecStrideScatter_Default(Vec,PetscInt,Vec,InsertMode);
300: PETSC_INTERN PetscErrorCode VecReciprocal_Default(Vec);
301: PETSC_INTERN PetscErrorCode VecStrideSubSetGather_Default(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode);
302: PETSC_INTERN PetscErrorCode VecStrideSubSetScatter_Default(Vec,PetscInt,const PetscInt[],const PetscInt[],Vec,InsertMode);
304: #if defined(PETSC_HAVE_MATLAB_ENGINE)
305: PETSC_EXTERN PetscErrorCode VecMatlabEnginePut_Default(PetscObject,void*);
306: PETSC_EXTERN PetscErrorCode VecMatlabEngineGet_Default(PetscObject,void*);
307: #endif
309: PETSC_EXTERN PetscErrorCode PetscSectionGetField_Internal(PetscSection, PetscSection, Vec, PetscInt, PetscInt, PetscInt, IS *, Vec *);
310: PETSC_EXTERN PetscErrorCode PetscSectionRestoreField_Internal(PetscSection, PetscSection, Vec, PetscInt, PetscInt, PetscInt, IS *, Vec *);
312: #define VecCheckSameLocalSize(x,ar1,y,ar2) do { \
313: if ((x)->map->n != (y)->map->n) SETERRQ4(PETSC_COMM_SELF,PETSC_ERR_ARG_INCOMP,"Incompatible vector local lengths parameter # %d local size %D != parameter # %d local size %D", ar1,(x)->map->n, ar2,(y)->map->n); \
314: } while (0)
316: #define VecCheckSameSize(x,ar1,y,ar2) do { \
317: if ((x)->map->N != (y)->map->N) SETERRQ4(PetscObjectComm((PetscObject)x),PETSC_ERR_ARG_INCOMP,"Incompatible vector global lengths parameter # %d global size %D != parameter # %d global size %D", ar1,(x)->map->N, ar2,(y)->map->N); \
318: VecCheckSameLocalSize(x,ar1,y,ar2); \
319: } while (0)
321: #define VecCheckLocalSize(x,ar1,n) do { \
322: if ((x)->map->n != n) SETERRQ3(PETSC_COMM_SELF,PETSC_ERR_ARG_INCOMP,"Incorrect vector local size: parameter # %d local size %D != %D",ar1,(x)->map->n,n); \
323: } while (0)
325: #define VecCheckSize(x,ar1,n,N) do { \
326: if ((x)->map->N != N) SETERRQ3(PetscObjectComm((PetscObject)x),PETSC_ERR_ARG_INCOMP,"Incorrect vector global size: parameter # %d global size %D != %D",ar1,(x)->map->N, N); \
327: VecCheckLocalSize(x,ar1,n); \
328: } while (0)
330: typedef struct _VecTaggerOps *VecTaggerOps;
331: struct _VecTaggerOps {
332: PetscErrorCode (*create) (VecTagger);
333: PetscErrorCode (*destroy) (VecTagger);
334: PetscErrorCode (*setfromoptions) (PetscOptionItems*,VecTagger);
335: PetscErrorCode (*setup) (VecTagger);
336: PetscErrorCode (*view) (VecTagger,PetscViewer);
337: PetscErrorCode (*computeboxes) (VecTagger,Vec,PetscInt *,VecTaggerBox **);
338: PetscErrorCode (*computeis) (VecTagger,Vec,IS *);
339: };
340: struct _p_VecTagger {
341: PETSCHEADER(struct _VecTaggerOps);
342: void *data;
343: PetscInt blocksize;
344: PetscBool invert;
345: PetscBool setupcalled;
346: };
348: PETSC_EXTERN PetscBool VecTaggerRegisterAllCalled;
349: PETSC_EXTERN PetscErrorCode VecTaggerRegisterAll(void);
350: PETSC_EXTERN PetscErrorCode VecTaggerComputeIS_FromBoxes(VecTagger,Vec,IS*);
351: PETSC_EXTERN PetscMPIInt Petsc_Reduction_keyval;
353: #endif