Go to the documentation of this file.
18 #ifndef __ESCRIPT_ESYSMPI_H__
19 #define __ESCRIPT_ESYSMPI_H__
21 #include <escript/DataTypes.h>
26 #include <boost/shared_ptr.hpp>
35 #ifdef ESYS_INDEXTYPE_LONG
36 #define MPI_DIM_T MPI_LONG
38 #define MPI_DIM_T MPI_INT
48 #define MPI_COMM_WORLD 91
49 #define MPI_COMM_NULL 0
56 #define MPI_OP_NULL 17
69 return ((
'S'<< 24) + (
'u' << 16) + (
'b' << 8) +
'W')%1010201;
74 typedef boost::shared_ptr<JMPI_>
JMPI;
101 const int q = k/
size;
117 std::stringstream ss;
118 ss << fileName <<
'.';
162 #pragma clang diagnostic push
163 #pragma clang diagnostic ignored "-Wunused-private-field"
165 #pragma clang diagnostic pop
196 out=((double) clock())/CLOCKS_PER_SEC;
204 #endif // __ESCRIPT_ESYSMPI_H__
int MPI_Status
Definition: EsysMPI.h:45
static dim_t N
Definition: SparseMatrix_saveHB.cpp:38
int MPI_Op
Definition: EsysMPI.h:44
The base class for escript exceptions.
Definition: EsysException.h:30
JMPI_(MPI_Comm comm, bool owncomm)
Definition: EsysMPI.cpp:38
int getSubWorldTag()
tag reserved for use by SubWorld code This value should be higher than the modulus used in JMPI_::set...
Definition: EsysMPI.h:67
Definition: EsysMPI.h:171
int rank
Definition: EsysMPI.h:156
bool checkResult(int res, int &mres, const JMPI &info)
Everyone puts in their error code and everyone gets the largest one.
Definition: EsysMPI.cpp:110
DataTypes::dim_t setDistribution(DataTypes::index_t min_id, DataTypes::index_t max_id, DataTypes::index_t *distribution)
Definition: EsysMPI.cpp:65
JMPI makeInfo(MPI_Comm comm, bool owncom)
Definition: EsysMPI.cpp:29
#define MPI_INT
Definition: EsysMPI.h:46
#define MPI_MAX
Definition: EsysMPI.h:54
~NoCOMM_WORLD()
Definition: EsysMPI.cpp:232
#define MPI_COMM_WORLD
Definition: EsysMPI.h:48
std::string appendRankToFileName(const std::string &fileName) const
appends MPI rank to a file name if MPI size > 1
Definition: EsysMPI.h:113
int counter() const
returns the current value of the message tag counter
Definition: EsysMPI.h:129
index_t dim_t
Definition: DataTypes.h:65
friend JMPI makeInfo(MPI_Comm comm, bool owncom)
Definition: EsysMPI.cpp:29
boost::shared_ptr< JMPI_ > JMPI
Definition: EsysMPI.h:72
~JMPI_()
Definition: EsysMPI.cpp:57
int mod_rank(int k) const
Definition: EsysMPI.h:96
int msg_tag_counter
Definition: EsysMPI.h:166
void incCounter(int i=1)
increments the message tag counter by i
Definition: EsysMPI.h:135
MPI_Comm comm
Definition: EsysMPI.h:157
void setCounter(int value)
sets the message tag counter to value
Definition: EsysMPI.h:144
int size
Definition: EsysMPI.h:155
double gettime()
returns the current ticks for timing
Definition: EsysMPI.h:187
int index_t
type for array/matrix indices used both globally and on each rank
Definition: DataTypes.h:60
Definition: AbstractContinuousDomain.cpp:23
#define MPI_COMM_NULL
Definition: EsysMPI.h:49
NoCOMM_WORLD()
Definition: EsysMPI.cpp:224
int MPI_Request
Definition: EsysMPI.h:43
int MPI_Comm
Definition: EsysMPI.h:42
bool shipString(const char *src, char **dest, MPI_Comm &comm)
Definition: EsysMPI.cpp:164
void split(DataTypes::dim_t N, DataTypes::dim_t *local_N, DataTypes::index_t *offset)
Definition: EsysMPI.cpp:92
bool isValid() const
returns true if this has a valid MPI communicator
Definition: EsysMPI.h:150
bool ownscomm
Definition: EsysMPI.h:164
static bool active()
Definition: EsysMPI.cpp:237