1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258
|
// -*- c++ -*-
//
// Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
// University Research and Technology
// Corporation. All rights reserved.
// Copyright (c) 2004-2005 The University of Tennessee and The University
// of Tennessee Research Foundation. All rights
// reserved.
// Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
// University of Stuttgart. All rights reserved.
// Copyright (c) 2004-2005 The Regents of the University of California.
// All rights reserved.
// Copyright (c) 2006-2008 Sun Microsystems, Inc. All rights reserved.
// Copyright (c) 2006-2007 Cisco Systems, Inc. All rights reserved.
// Copyright (c) 2011 FUJITSU LIMITED. All rights reserved.
// $COPYRIGHT$
//
// Additional copyrights may follow
//
// $HEADER$
//
class Datatype {
#if 0 /* OMPI_ENABLE_MPI_PROFILING */
// friend class PMPI::Datatype;
#endif
public:
#if 0 /* OMPI_ENABLE_MPI_PROFILING */
// construction
inline Datatype() { }
// inter-language operability
inline Datatype(MPI_Datatype i) : pmpi_datatype(i) { }
// copy / assignment
inline Datatype(const Datatype& dt) : pmpi_datatype(dt.pmpi_datatype) { }
inline Datatype(const PMPI::Datatype& dt) : pmpi_datatype(dt) { }
inline virtual ~Datatype() {}
inline Datatype& operator=(const Datatype& dt) {
pmpi_datatype = dt.pmpi_datatype; return *this; }
// comparison
inline bool operator== (const Datatype &a) const
{ return (bool) (pmpi_datatype == a.pmpi_datatype); }
inline bool operator!= (const Datatype &a) const
{ return (bool) !(*this == a); }
// inter-language operability
inline Datatype& operator= (const MPI_Datatype &i)
{ pmpi_datatype = i; return *this; }
inline operator MPI_Datatype() const { return (MPI_Datatype)pmpi_datatype; }
// inline operator MPI_Datatype* ()/* JGS const */ { return pmpi_datatype; }
inline operator const PMPI::Datatype&() const { return pmpi_datatype; }
inline const PMPI::Datatype& pmpi() const { return pmpi_datatype; }
#else
// construction / destruction
inline Datatype() : mpi_datatype(MPI_DATATYPE_NULL) { }
inline virtual ~Datatype() {}
// inter-language operability
inline Datatype(MPI_Datatype i) : mpi_datatype(i) { }
// copy / assignment
inline Datatype(const Datatype& dt) : mpi_datatype(dt.mpi_datatype) { }
inline Datatype& operator=(const Datatype& dt) {
mpi_datatype = dt.mpi_datatype; return *this; }
// comparison
inline bool operator== (const Datatype &a) const
{ return (bool) (mpi_datatype == a.mpi_datatype); }
inline bool operator!= (const Datatype &a) const
{ return (bool) !(*this == a); }
// inter-language operability
inline Datatype& operator= (const MPI_Datatype &i)
{ mpi_datatype = i; return *this; }
inline operator MPI_Datatype () const { return mpi_datatype; }
// inline operator MPI_Datatype* ()/* JGS const */ { return &mpi_datatype; }
#endif
//
// User Defined Functions
//
typedef int Copy_attr_function(const Datatype& oldtype,
int type_keyval,
void* extra_state,
const void* attribute_val_in,
void* attribute_val_out,
bool& flag);
typedef int Delete_attr_function(Datatype& type, int type_keyval,
void* attribute_val, void* extra_state);
//
// Point-to-Point Communication
//
virtual Datatype Create_contiguous(int count) const;
virtual Datatype Create_vector(int count, int blocklength,
int stride) const;
virtual Datatype Create_indexed(int count,
const int array_of_blocklengths[],
const int array_of_displacements[]) const;
static Datatype Create_struct(int count, const int array_of_blocklengths[],
const Aint array_of_displacements[],
const Datatype array_if_types[]);
virtual Datatype Create_hindexed(int count, const int array_of_blocklengths[],
const Aint array_of_displacements[]) const;
virtual Datatype Create_hvector(int count, int blocklength, Aint stride) const;
virtual Datatype Create_indexed_block(int count, int blocklength,
const int array_of_blocklengths[]) const;
virtual Datatype Create_resized(const Aint lb, const Aint extent) const;
virtual int Get_size() const;
virtual void Get_extent(Aint& lb, Aint& extent) const;
virtual void Get_true_extent(Aint&, Aint&) const;
virtual void Commit();
virtual void Free();
virtual void Pack(const void* inbuf, int incount, void *outbuf,
int outsize, int& position, const Comm &comm) const;
virtual void Unpack(const void* inbuf, int insize, void *outbuf, int outcount,
int& position, const Comm& comm) const;
virtual int Pack_size(int incount, const Comm& comm) const;
virtual void Pack_external(const char* datarep, const void* inbuf, int incount,
void* outbuf, Aint outsize, Aint& position) const;
virtual Aint Pack_external_size(const char* datarep, int incount) const;
virtual void Unpack_external(const char* datarep, const void* inbuf,
Aint insize, Aint& position, void* outbuf, int outcount) const;
//
// Miscellany
//
virtual Datatype Create_subarray(int ndims, const int array_of_sizes[],
const int array_of_subsizes[],
const int array_of_starts[], int order)
const;
virtual Datatype Create_darray(int size, int rank, int ndims,
const int array_of_gsizes[], const int array_of_distribs[],
const int array_of_dargs[], const int array_of_psizes[],
int order) const;
// Language Binding
static Datatype Create_f90_complex(int p, int r);
static Datatype Create_f90_integer(int r);
static Datatype Create_f90_real(int p, int r);
static Datatype Match_size(int typeclass, int size);
//
// External Interfaces
//
virtual Datatype Dup() const;
// Need 4 overloaded versions of this function because per the
// MPI-2 spec, you can mix-n-match the C predefined functions with
// C++ functions.
static int Create_keyval(Copy_attr_function* type_copy_attr_fn,
Delete_attr_function* type_delete_attr_fn,
void* extra_state);
static int Create_keyval(MPI_Type_copy_attr_function* type_copy_attr_fn,
MPI_Type_delete_attr_function* type_delete_attr_fn,
void* extra_state);
static int Create_keyval(Copy_attr_function* type_copy_attr_fn,
MPI_Type_delete_attr_function* type_delete_attr_fn,
void* extra_state);
static int Create_keyval(MPI_Type_copy_attr_function* type_copy_attr_fn,
Delete_attr_function* type_delete_attr_fn,
void* extra_state);
protected:
// Back-end function to do the heavy lifting for creating the
// keyval
static int do_create_keyval(MPI_Type_copy_attr_function* c_copy_fn,
MPI_Type_delete_attr_function* c_delete_fn,
Copy_attr_function* cxx_copy_fn,
Delete_attr_function* cxx_delete_fn,
void* extra_state, int &keyval);
public:
virtual void Delete_attr(int type_keyval);
static void Free_keyval(int& type_keyval);
virtual bool Get_attr(int type_keyval, void* attribute_val) const;
virtual void Get_contents(int max_integers, int max_addresses,
int max_datatypes, int array_of_integers[],
Aint array_of_addresses[],
Datatype array_of_datatypes[]) const;
virtual void Get_envelope(int& num_integers, int& num_addresses,
int& num_datatypes, int& combiner) const;
virtual void Get_name(char* type_name, int& resultlen) const;
virtual void Set_attr(int type_keyval, const void* attribute_val);
virtual void Set_name(const char* type_name);
#if 0 /* OMPI_ENABLE_MPI_PROFILING */
private:
PMPI::Datatype pmpi_datatype;
#else
protected:
MPI_Datatype mpi_datatype;
#endif
public:
// Data that is passed through keyval create when C++ callback
// functions are used
struct keyval_intercept_data_t {
MPI_Type_copy_attr_function *c_copy_fn;
MPI_Type_delete_attr_function *c_delete_fn;
Copy_attr_function* cxx_copy_fn;
Delete_attr_function* cxx_delete_fn;
void *extra_state;
};
// Protect the global list from multiple thread access
static opal_mutex_t cxx_extra_states_lock;
};
|