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Constants(3) MPI Constants(3) NAME Constants - Meaning of MPI's defined constants DATA TYPES Note that the Fortran types should only be used in Fortran programs, and the C types should only be used in C programs. For example, it is in error to use MPI_INT for a Fortran INTEGER. Datatypes are of type MPI_Datatype in C, type INTEGER in Fortran, and Type(MPI_Datatype) in Fortran08 C DATATYPES MPI_CHAR - char MPI_SIGNED_CHAR - signed char MPI_UNSIGNED_CHAR - unsigned char MPI_BYTE - See standard; like unsigned char MPI_WCHAR - wide character (wchar_t) MPI_SHORT - short MPI_UNSIGNED_SHORT - unsigned short MPI_INT - int MPI_UNSIGNED - unsigned int MPI_LONG - long MPI_UNSIGNED_LONG - unsigned long MPI_LONG_LONG_INT - long long MPI_LONG_LONG - synonyn for MPI_LONG_LONG_INT MPI_UNSIGNED_LONG_LONG - unsigned long long MPI_FLOAT - float MPI_DOUBLE - double MPI_LONG_DOUBLE - long double (some systems may not implement this) MPI_INT8_T - int8_t MPI_INT16_T - int16_t MPI_INT32_T - int32_t MPI_INT64_T - int64_t MPI_UINT8_T - uint8_t MPI_UINT16_T - uint16_t MPI_UINT32_T - uint32_t MPI_UINT64_T - uint64_t MPI_C_BOOL - _Bool MPI_C_FLOAT_COMPLEX - float _Complex MPI_C_COMPLEX - float _Complex MPI_C_DOUBLE_COMPLEX - double _Complex MPI_C_LONG_DOUBLE_COMPLEX - long double _Complex The following are datatypes for the MPI functions MPI_MAXLOC and MPI_MINLOC . MPI_FLOAT_INT - struct { float, int } MPI_LONG_INT - struct { long, int } MPI_DOUBLE_INT - struct { double, int } MPI_SHORT_INT - struct { short, int } MPI_2INT - struct { int, int } MPI_LONG_DOUBLE_INT - struct { long double, int } ; this is an optional type, and may be set to MPI_DATATYPE_NULL Special datatypes for C and Fortran MPI_PACKED - For MPI_Pack and MPI_Unpack MPI_UB - For MPI_Type_struct ; an upper-bound indicator. Removed in MPI 3 MPI_LB - For MPI_Type_struct ; a lower-bound indicator. Removed in MPI 3 FORTRAN DATATYPES MPI_REAL - REAL MPI_INTEGER - INTEGER MPI_LOGICAL - LOGICAL MPI_DOUBLE_PRECISION - DOUBLE PRECISION MPI_COMPLEX - COMPLEX MPI_DOUBLE_COMPLEX - complex*16 (or complex*32 ) where supported. The following datatypes are optional MPI_INTEGER1 - integer*1 if supported MPI_INTEGER2 - integer*2 if supported MPI_INTEGER4 - integer*4 if supported MPI_INTEGER8 - integer*8 if supported MPI_INTEGER16 - integer*16 if supported MPI_REAL4 - real*4 if supported MPI_REAL8 - real*8 if supported MPI_REAL16 - real*16 if supported MPI_COMPLEX8 - complex*8 if supported MPI_COMPLEX16 - complex*16 if supported MPI_COMPLEX32 - complex*32 if supported The following are datatypes for the MPI functions MPI_MAXLOC and MPI_MINLOC . In Fortran, these datatype always consist of two elements of the same Fortran type. MPI_2INTEGER - INTEGER,INTEGER MPI_2REAL - REAL, REAL MPI_2DOUBLE_PRECISION - DOUBLE PRECISION, DOUBLE PRECISION MPI Datatypes for MPI Types MPI_AINT - Datatype for an MPI_Aint MPI_OFFSET - Datatype for an MPI_Offset MPI_COUNT - Datatype for an MPI_Count MPI DATATYPE COMBINER NAMES MPI_COMBINER_NAMED - a named predefined datatype MPI_COMBINER_DUP - MPI_TYPE_DUP MPI_COMBINER_CONTIGUOUS - MPI_TYPE_CONTIGUOUS MPI_COMBINER_VECTOR - MPI_TYPE_VECTOR MPI_COMBINER_HVECTOR_INTEGER - Removed in MPI-3 MPI_COMBINER_HVECTOR - MPI_TYPE_CREATE_HVECTOR MPI_COMBINER_INDEXED - MPI_TYPE_INDEXED MPI_COMBINER_HINDEXED_INTEGER - Removed in MPI-3 MPI_COMBINER_HINDEXED - MPI_TYPE_CREATE_HINDEXED MPI_COMBINER_INDEXED_BLOCK - MPI_TYPE_CREATE_INDEXED_BLOCK MPI_COMBINER_STRUCT_INTEGER - Removed in MPI-3 MPI_COMBINER_STRUCT - MPI_TYPE_CREATE_STRUCT MPI_COMBINER_SUBARRAY - MPI_TYPE_CREATE_SUBARRAY MPI_COMBINER_DARRAY - MPI_TYPE_CREATE_DARRAY MPI_COMBINER_F90_REAL - MPI_TYPE_CREATE_F90_REAL MPI_COMBINER_F90_COMPLEX - MPI_TYPE_CREATE_F90_COMPLEX MPI_COMBINER_F90_INTEGER - MPI_TYPE_CREATE_F90_INTEGER MPI_COMBINER_RESIZED - MPI_TYPE_CREATE_RESIZED MPI_COMBINER_HINDEXED_BLOCK - MPI_TYPE_CREATE_HINDEXED_BLOCK MPI DATATYPE TYPE CLASSES MPI Type classes used with routines to return Fortran types with de- fined precision and range MPI_TYPECLASS_REAL - REAL MPI_TYPECLASS_INTEGER - INTEGER MPI_TYPECLASS_COMPLEX - COMPLEX MPI DARRAY AND SUBARRAY VALUES These values are used to create a datatype with the DARRAY and SUBARRAY constructors. MPI_ORDER_C - Row-major order (as used by C) MPI_ORDER_FORTRAN - Column-major order (as used by Fortran) MPI_DISTRIBUTE_BLOCK - Block distribution MPI_DISTRIBUTE_CYCLIC - Cyclic distribution MPI_DISTRIBUTE_NONE - This dimension is not distributed MPI_DISTRIBUTE_DFLT_DARG - Use the default distribution COMMUNICATORS Communicators are of type MPI_Comm in C, INTEGER in Fortran, and Type(MPI_Comm) in Fortran08 MPI_COMM_WORLD - Contains all of the processes MPI_COMM_SELF - Contains only the calling process KIND OF COMMUNICATOR FOR 'MPI_COMM_SPLIT_TYPE' MPI_COMM_TYPE_SHARED - All processes that can share memory are grouped into the same communicator. GROUPS Groups are of type MPI_Group in C, INTEGER in Fortran, and Type(MPI_Group) in Fortran08 MPI_GROUP_EMPTY - A group containing no members. RESULTS OF THE COMPARE OPERATIONS ON GROUPS AND COMMUNICATORS MPI_IDENT - Identical MPI_CONGRUENT - (only for MPI_COMM_COMPARE ) The groups are identical MPI_SIMILAR - Same members, but in a different order MPI_UNEQUAL - Different COLLECTIVE OPERATIONS The collective combination operations (e.g., MPI_REDUCE , MPI_ALLREDUCE , MPI_REDUCE_SCATTER , and MPI_SCAN ) take a combination operation. This operation is of type MPI_Op in C and of type INTEGER in Fortran. The predefined operations are MPI_MAX - return the maximum MPI_MIN - return the minimum MPI_SUM - return the sum MPI_PROD - return the product MPI_LAND - return the logical and MPI_BAND - return the bitwise and MPI_LOR - return the logical or MPI_BOR - return the bitwise of MPI_LXOR - return the logical exclusive or MPI_BXOR - return the bitwise exclusive or MPI_MINLOC - return the minimum and the location (actually, the value of the second element of the structure where the minimum of the first is found) MPI_MAXLOC - return the maximum and the location MPI_REPLACE - replace b with a MPI_NO_OP - perform no operation NOTES ON COLLECTIVE OPERATIONS The reduction functions ( MPI_Op ) do not return an error value. As a result, if the functions detect an error, all they can do is either call MPI_Abort or silently skip the problem. Thus, if you change the error handler from MPI_ERRORS_ARE_FATAL to something else, for example, MPI_ERRORS_RETURN , then no error may be indicated. The reason for this is the performance problems in ensuring that all collective routines return the same error value. Note that not all datatypes are valid for these functions. For exam- ple, MPI_COMPLEX is not valid for MPI_MAX and MPI_MIN . In addition, the MPI 1.1 standard did not include the C types MPI_CHAR and MPI_UN- SIGNED_CHAR among the lists of arithmetic types for operations like MPI_SUM . However, since the C type char is an integer type (like short ), it should have been included. The MPI Forum will probably in- clude char and unsigned char as a clarification to MPI 1.1; until then, users are advised that MPI implementations may not accept MPI_CHAR and MPI_UNSIGNED_CHAR as valid datatypes for MPI_SUM , MPI_PROD , etc. MPICH does allow these datatypes. PERMANENT KEY VALUES These are the same in C and Fortran MPI_TAG_UB - Largest tag value MPI_HOST - Rank of process that is host, if any MPI_IO - Rank of process that can do I/O MPI_WTIME_IS_GLOBAL - Has value 1 if MPI_WTIME is globally synchronized. MPI_UNIVERSE_SIZE - Number of available processes. See the standard for a de- scription of limitations on this value MPI_LASTUSEDCODE - Last used MPI error code (check - code or class?) MPI_APPNUM - Application number, starting from 0. See the standard for MPI_COMM_SPAWN_MULTIPLE and mpiexec for details NULL OBJECTS MPI_COMM_NULL - Null communicator MPI_OP_NULL - Null operation MPI_GROUP_NULL - Null group MPI_DATATYPE_NULL - Null datatype MPI_REQUEST_NULL - Null request MPI_ERRHANDLER_NULL - Null error handler MPI_WIN_NULL - Null window handle MPI_FILE_NULL - Null file handle MPI_INFO_NULL - Null info handle MPI_MESSAGE_NULL - Null message handle MPI_ARGV_NULL - Empty ARGV value for spawn commands MPI_ARGVS_NULL - Empty ARGV array for spawn-multiple command MPI_T_ENUM_NULL - Null MPI_T enum MPI_T_CVAR_HANDLE_NULL - Null MPI_T control variable handle MPI_T_PVAR_HANDLE_NULL - Null MPI_T performance variable handle MPI_T_PVAR_SESSION_NULL - Null MPI_T performance variable session handle PREDEFINED CONSTANTS MPI_MAX_PROCESSOR_NAME - Maximum length of name returned by MPI_GET_PROCESSOR_NAME MPI_MAX_ERROR_STRING - Maximum length of string return by MPI_ERROR_STRING MPI_MAX_LIBRARY_VERSION_STRING - Maximum length of string returned by MPI_GET_LIBRARY_VER- SION_STRING ??? MPI_MAX_PORT_NAME - Maximum length of a port MPI_MAX_OBJECT_NAME - Maximum length of an object (?) MPI_MAX_INFO_KEY - Maximum length of an info key MPI_MAX_INFO_VAL - Maximum length of an info value MPI_UNDEFINED - Used by many routines to indicated undefined or unknown inte- ger value MPI_UNDEFINED_RANK - Unknown rank MPI_KEYVAL_INVALID - Special keyval that may be used to detect uninitialized key- vals. MPI_BSEND_OVERHEAD - Add this to the size of a MPI_BSEND buffer for each outstand- ing message MPI_PROC_NULL - This rank may be used to send or receive from no-one. MPI_ANY_SOURCE - In a receive, accept a message from anyone. MPI_ANY_TAG - In a receive, accept a message with any tag value. MPI_BOTTOM - May be used to indicate the bottom of the address space MPI_IN_PLACE - Special location for buffer in some collective communication routines MPI_BUFFER_AUTOMATIC - Use automatic (unlimited) buffering in buffered send MPI_VERSION - Numeric value of MPI version (e.g., 3) MPI_SUBVERSION - Numeric value of MPI subversion (e.g., 1) TOPOLOGY TYPES MPI_CART - Cartesian grid MPI_GRAPH - General graph MPI_DIST_GRAPH - General distributed graph SPECIAL VALUES FOR DISTRIBUTED GRAPH MPI_UNWEIGHTED - Indicates that the edges are unweighted MPI_WEIGHTS_EMPTY - Special address that indicates no array of weights information FILE MODES MPI_MODE_RDONLY - Read only MPI_MODE_RDWR - Read and write MPI_MODE_WRONLY - Write only MPI_MODE_CREATE - Create the file if it does not exist MPI_MODE_EXCL - It is an error if creating a file that already exists MPI_MODE_DELETE_ON_CLOSE - Delete the file on close MPI_MODE_UNIQUE_OPEN - The file will not be concurrently opened elsewhere MPI_MODE_APPEND - The initial position of all file pointers is at the end of the file MPI_MODE_SEQUENTIAL - File will only be accessed sequentially FILE DISPLACEMENT MPI_DISPLACEMENT_CURRENT - Use with files opened with mode MPI_MODE_SEQUENTIAL in calls to MPI_FILE_SET_VIEW FILE POSITIONING MPI_SEEK_SET - Set the pointer to offset MPI_SEEK_CUR - Set the pointer to the current position plus offset MPI_SEEK_END - Set the pointer to the end of the file plus offset WINDOW ATTRIBUTES MPI_WIN_BASE - window base address. MPI_WIN_SIZE - window size, in bytes MPI_WIN_DISP_UNIT - displacement unit associated with the window MPI_WIN_CREATE_FLAVOR - how the window was created MPI_WIN_MODEL - memory model for window WINDOW FLAVORS MPI_WIN_FLAVOR_CREATE - Window was created with MPI_WIN_CREATE. MPI_WIN_FLAVOR_ALLOCATE - Window was created with MPI_WIN_ALLOCATE. MPI_WIN_FLAVOR_DYNAMIC - Window was created with MPI_WIN_CREATE_DYNAMIC. MPI_WIN_FLAVOR_SHARED - Window was created with MPI_WIN_ALLOCATE_SHARED. WINDOW MEMORY MODEL MPI_WIN_SEPARATE - Separate public and private copies of window memory MPI_WIN_UNIFIED - The public and private copies are identical (by which we mean that updates are eventually observed without additional RMA op- erations) WINDOW LOCK TYPES MPI_LOCK_EXCLUSIVE - Only one process at a time will execute accesses within the lock MPI_LOCK_SHARED - Not exclusive; multiple processes may execute accesses within the lock WINDOW ASSERTIONS See section 11.5 in MPI 3.1 for a detailed description of each of these assertion values. MPI_MODE_NOCHECK - The matching calls to MPI_WIN_POST or MPI_WIN_START have al- ready completed, or no process holds or will attempt to acquire, a conflicting lock. MPI_MODE_NOSTORE - The local window has not been updated by stores since the last synchronization MPI_MODE_NOPUT - The local window will not be updated by put or accumulate un- til the next synchronization MPI_MODE_NOPRECEDE - The fence does not complete any locally issued RMA calls MPI_MODE_NOSUCCEED - The fence does not start any locally issued RMA calls PREDEFINED INFO OBJECT MPI_INFO_ENV - Contains the execution environment MPI STATUS The MPI_Status datatype is a structure in C. The three elements for use by programmers are MPI_SOURCE - Who sent the message MPI_TAG - What tag the message was sent with MPI_ERROR - Any error return (only when the error returned by the routine has error class MPI_ERR_IN_STATUS ) MPI_STATUS_IGNORE - Ignore a single MPI_Status argument MPI_STATUSES_IGNORE - Ignore an array of MPI_Status SPECIAL VALUE FOR ERROR CODES ARRAY MPI_ERRCODES_IGNORE - Ignore an array of error codes MPI_T CONSTANTS MPI_T_VERBOSITY_USER_BASIC - Basic information of interest to users MPI_T_VERBOSITY_USER_DETAIL - Detailed information of interest to users MPI_T_VERBOSITY_USER_ALL - All remaining information of interest to users MPI_T_VERBOSITY_TUNER_BASIC - Basic information required for tuning MPI_T_VERBOSITY_TUNER_DETAIL - Detailed information required for tuning MPI_T_VERBOSITY_TUNER_ALL - All remaining information required for tuning MPI_T_VERBOSITY_MPIDEV_BASIC - Basic information for MPI implementors MPI_T_VERBOSITY_MPIDEV_DETAIL - Detailed information for MPI implementors MPI_T_VERBOSITY_MPIDEV_ALL - All remaining information for MPI implementors MPI_T_BIND_NO_OBJECT - Applies globally to entire MPI process MPI_T_BIND_MPI_COMM - MPI communicators MPI_T_BIND_MPI_DATATYPE - MPI datatypes MPI_T_BIND_MPI_ERRHANDLER - MPI error handlers MPI_T_BIND_MPI_FILE - MPI file handles MPI_T_BIND_MPI_GROUP - MPI groups MPI_T_BIND_MPI_OP - MPI reduction operators MPI_T_BIND_MPI_REQUEST - MPI requests MPI_T_BIND_MPI_WIN - MPI windows for one-sided communication MPI_T_BIND_MPI_MESSAGE - MPI message object MPI_T_BIND_MPI_INFO - MPI info object MPI_T_BIND_MPI_SESSION - MPI session object MPI_T_SCOPE_CONSTANT - read-only, value is constant MPI_T_SCOPE_READONLY - read-only, cannot be written, but can change MPI_T_SCOPE_LOCAL - may be writeable, writing is a local operation MPI_T_SCOPE_GROUP - may be writeable, must be done to a group of processes, all processes in a group must be set to consistent values MPI_T_SCOPE_GROUP_EQ - may be writeable, must be done to a group of processes, all processes in a group must be set to the same value MPI_T_SCOPE_ALL - may be writeable, must be done to all processes, all connected processes must be set to consistent values MPI_T_SCOPE_ALL_EQ - may be writeable, must be done to all processes, all connected processes must be set to the same value MPI_T_PVAR_CLASS_STATE - set of discrete states (MPI_INT) MPI_T_PVAR_CLASS_LEVEL - utilization level of a resource MPI_T_PVAR_CLASS_SIZE - size of a resource MPI_T_PVAR_CLASS_PERCENTAGE - percentage utilization of a resource MPI_T_PVAR_CLASS_HIGHWATERMARK - high watermark of a resource MPI_T_PVAR_CLASS_LOWWATERMARK - low watermark of a resource MPI_T_PVAR_CLASS_COUNTER - number of occurrences of an event MPI_T_PVAR_CLASS_AGGREGATE - aggregate value over an event (e.g., sum of all memory alloca- tions) MPI_T_PVAR_CLASS_TIMER - aggretate time spent executing event MPI_T_PVAR_CLASS_GENERIC - used for any other time of performance variable THREAD LEVELS MPI_THREAD_SINGLE - Only one thread executes MPI_THREAD_FUNNELED - Only the main thread makes MPI calls MPI_THREAD_SERIALIZED - Only one thread at a time makes MPI calls MPI_THREAD_MULTIPLE - Multiple threads may make MPI calls SPECIAL MPI TYPES AND FUNCTIONS MPI_Aint - C type that holds any valid address. MPI_Count - C type that holds any valid count. MPI_Offset - C type that holds any valid file offset. MPI_Handler_function - C function for handling errors (see MPI_Errhandler_create ) . MPI_User_function - C function to combine values (see collective operations and MPI_Op_create ) MPI_Copy_function - Function to copy attributes (see MPI_Keyval_create ) MPI_Delete_function - Function to delete attributes (see MPI_Keyval_create ) MPI_ERRORS_ARE_FATAL - Error handler that forces exit on error MPI_ERRORS_RETURN - Error handler that returns error codes (as value of MPI rou- tine in C and through last argument in Fortran) MPI_ERRORS_ABORT - Error handler that forces exit on error (only aborts local process if the error handler is invoked on a session) MPI ATTRIBUTE DEFAULT FUNCTIONS MPI_COMM_NULL_COPY_FN - Predefined attribute copy function for communicators MPI_COMM_NULL_DELETE_FN - Predefined attribute delete function for communicators MPI_COMM_DUP_FN - Predefined attribute duplicate function for communicators MPI_WIN_NULL_COPY_FN - Predefined attribute copy function for windows MPI_WIN_NULL_DELETE_FN - Predefined attribute delete function for windows MPI_WIN_DUP_FN - Predefined attribute duplicate function for windows MPI_TYPE_NULL_COPY_FN - Predefined attribute copy function for datatypes MPI_TYPE_NULL_DELETE_FN - Predefined attribute delete function for datatypes MPI_TYPE_DUP_FN - Predefined attribute duplicate function for datatypes MPI-1 ATTRIBUTE DEFAULT FUNCTIONS MPI_NULL_COPY_FN - Predefined copy function MPI_NULL_DELETE_FN - Predefined delete function MPI_DUP_FN - Predefined duplication function MPI ERROR CLASSES MPI_SUCCESS - Successful return code MPI_ERR_BUFFER - Invalid buffer pointer MPI_ERR_COUNT - Invalid count argument MPI_ERR_TYPE - Invalid datatype argument MPI_ERR_TAG - Invalid tag argument MPI_ERR_COMM - Invalid communicator MPI_ERR_RANK - Invalid rank MPI_ERR_ROOT - Invalid root MPI_ERR_GROUP - Null group passed to function MPI_ERR_OP - Invalid operation MPI_ERR_TOPOLOGY - Invalid topology MPI_ERR_DIMS - Illegal dimension argument MPI_ERR_ARG - Invalid argument MPI_ERR_UNKNOWN - Unknown error MPI_ERR_TRUNCATE - Message truncated on receive MPI_ERR_OTHER - Other error; use Error_string MPI_ERR_INTERN - Internal error code MPI_ERR_IN_STATUS - Look in status for error value MPI_ERR_PENDING - Pending request MPI_ERR_REQUEST - Invalid mpi_request handle MPI_ERR_ACCESS - Permission denied MPI_ERR_AMODE - Error related to the amode passed to MPI_FILE_OPEN MPI_ERR_BAD_FILE - Invalid file name (e.g., path name too long) MPI_ERR_CONVERSION - An error occurred in a user supplied data conversion function MPI_ERR_DUP_DATAREP - Conversion functions could not be registered because a data representation identifier that was already defined was passed to MPI_REGISTER_DATAREP MPI_ERR_FILE_EXISTS - File exists MPI_ERR_FILE_IN_USE - File operation could not be completed, as the file is cur- rently open by some process MPI_ERR_FILE - Invalid file handle MPI_ERR_IO - Other I/O error MPI_ERR_NO_SPACE - Not enough space MPI_ERR_NO_SUCH_FILE - File does not exist MPI_ERR_READ_ONLY - Read-only file or file system MPI_ERR_UNSUPPORTED_DATAREP - Unsupported datarep passed to MPI_FILE_SET_VIEW MPI_ERR_INFO - Invalid info argument MPI_ERR_INFO_KEY - Key longer than MPI_MAX_INFO_KEY MPI_ERR_INFO_VALUE - Value longer than MPI_MAX_INFO_VAL MPI_ERR_INFO_NOKEY - Invalid key passed to MPI_INFO_DELETE MPI_ERR_NAME - Invalid service name passed to MPI_LOOKUP_NAME MPI_ERR_NO_MEM - Alloc_mem could not allocate memory MPI_ERR_NOT_SAME - Collective argument not identical on all processes, or collec- tive routines called in a different order by different processes MPI_ERR_PORT - Invalid port name passed to MPI_COMM_CONNECT MPI_ERR_QUOTA - Quota exceeded MPI_ERR_SERVICE - Invalid service name passed to MPI_UNPUBLISH_NAME MPI_ERR_SPAWN - Error in spawning processes MPI_ERR_UNSUPPORTED_OPERATION - Unsupported operation, such as seeking on a file which sup- ports sequential access only MPI_ERR_WIN - Invalid win argument MPI_ERR_BASE - Invalid base passed to MPI_FREE_MEM MPI_ERR_LOCKTYPE - Invalid locktype argument MPI_ERR_KEYVAL - Erroneous attribute key MPI_ERR_RMA_CONFLICT - Conflicting accesses to window MPI_ERR_RMA_SYNC - Wrong synchronization of RMA calls MPI_ERR_SIZE - Invalid size argument MPI_ERR_DISP - Invalid disp argument MPI_ERR_ASSERT - Invalid assert argument MPI_ERR_RMA_RANGE - Target memory is not part of the window (in the case of a win- dow created with MPI_WIN_CREATE_DYNAMIC, target memory is not attached) MPI_ERR_RMA_ATTACH - Memory cannot be attached (e.g., because of resource exhaus- tion) MPI_ERR_RMA_SHARED - Memory cannot be shared (e.g., some process in the group of the specified communicator cannot expose shared memory) MPI_ERR_RMA_FLAVOR - Passed window has the wrong flavor for the MPI_ERR_SESSION - Invalid session argument MPI_ERR_PROC_ABORTED - Trying to communicate with aborted processes MPI_ERR_VALUE_TOO_LARGE - Value is too large to store MPI_ERR_ERRHANDLER - Invalid error handler argument called function MPI_ERR_LASTCODE - Last error code -- always at end ERROR CODES FOR MPI_T MPI_T_ERR_MEMORY - Out of memory MPI_T_ERR_NOT_INITIALIZED - Interface not initialized MPI_T_ERR_CANNOT_INIT - Interface not in the state to be initialized MPI_T_ERR_INVALID_INDEX - The index is invalid or has been deleted MPI_T_ERR_INVALID_HANDLE - The handle is invalid MPI_T_ERR_OUT_OF_HANDLES - No more handles available MPI_T_ERR_OUT_OF_SESSIONS - No more sessions available MPI_T_ERR_INVALID_SESSION - Session argument is not valid MPI_T_ERR_CVAR_SET_NOT_NOW - Cvar cannot be set at this moment MPI_T_ERR_CVAR_SET_NEVER - Cvar cannot be set until end of execution MPI_T_ERR_PVAR_NO_STARTSTOP - Pvar can't be started or stopped MPI_T_ERR_PVAR_NO_WRITE - Pvar can't be written or reset MPI_T_ERR_PVAR_NO_ATOMIC - Pvar can't be R/W atomically MPI_T_ERR_INVALID_NAME - Name doesn't match MPI_T_ERR_INVALID - Invalid use of the interface or bad parameter values(s) 2/3/2025 Constants(3)
NAME | DATA TYPES | C DATATYPES | FORTRAN DATATYPES | MPI DATATYPE COMBINER NAMES | MPI DATATYPE TYPE CLASSES | MPI DARRAY AND SUBARRAY VALUES | COMMUNICATORS | KIND OF COMMUNICATOR FOR 'MPI_COMM_SPLIT_TYPE' | GROUPS | RESULTS OF THE COMPARE OPERATIONS ON GROUPS AND COMMUNICATORS | COLLECTIVE OPERATIONS | NOTES ON COLLECTIVE OPERATIONS | PERMANENT KEY VALUES | NULL OBJECTS | PREDEFINED CONSTANTS | TOPOLOGY TYPES | SPECIAL VALUES FOR DISTRIBUTED GRAPH | FILE MODES | FILE DISPLACEMENT | FILE POSITIONING | WINDOW ATTRIBUTES | WINDOW FLAVORS | WINDOW MEMORY MODEL | WINDOW LOCK TYPES | WINDOW ASSERTIONS | PREDEFINED INFO OBJECT | MPI STATUS | SPECIAL VALUE FOR ERROR CODES ARRAY | MPI_T CONSTANTS | THREAD LEVELS | SPECIAL MPI TYPES AND FUNCTIONS | MPI ATTRIBUTE DEFAULT FUNCTIONS | MPI-1 ATTRIBUTE DEFAULT FUNCTIONS | MPI ERROR CLASSES | ERROR CODES FOR MPI_T
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