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 ele- ments 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 defined 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 com- municator. 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 op- eration is of type MPI_Op in C and of type INTEGER in Fortran. The prede- fined 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 re- sult, 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 han- dler from MPI_ERRORS_ARE_FATAL to something else, for example, MPI_ER- RORS_RETURN , then no error may be indicated. The reason for this is the performance problems in ensuring that all col- lective routines return the same error value. Note that not all datatypes are valid for these functions. For example, 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_UNSIGNED_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 include char and unsigned char as a clarification to MPI 1.1; until then, users are advised that MPI implemen- tations 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 description 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 integer value MPI_UNDEFINED_RANK - Unknown rank MPI_KEYVAL_INVALID - Special keyval that may be used to detect uninitialized keyvals. MPI_BSEND_OVERHEAD - Add this to the size of a MPI_BSEND buffer for each outstanding 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 rou- tines 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 operations) 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 as- sertion values. MPI_MODE_NOCHECK - The matching calls to MPI_WIN_POST or MPI_WIN_START have already completed, or no process holds or will attempt to acquire, a con- flicting 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 until 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 routine 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 repre- sentation identifier that was already defined was passed to MPI_REG- ISTER_DATAREP MPI_ERR_FILE_EXISTS - File exists MPI_ERR_FILE_IN_USE - File operation could not be completed, as the file is currently 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 collective 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 supports 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 window created with MPI_WIN_CREATE_DYNAMIC, target memory is not attached) MPI_ERR_RMA_ATTACH - Memory cannot be attached (e.g., because of resource exhaustion) 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) 4/10/2026 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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