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721. Processes in MPI | PARALLEL.RU - Информационно-аналитический центр по
... Processes in MPI . Up: Process Manager Interface Next: Starting Processes and Establishing Communication Previous: Process Manager Interface . A process is represented in MPI by a (group, rank) pair. A (group, rank) pair specifies a unique process but a process does not determine a unique (group, rank) pair, since a process may belong to several groups. ... Return to MPI-2 Standard Index . MPI-2.0 of July 18, 1997 . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node94.html -- 16.1 Кб -- 09.04.2016
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722. Clarification of Error Behavior of Attribute Callback Functions | PARALLEL.RU -
... Clarification of Error Behavior of Attribute Callback Functions . Up: MPI-1.0 and MPI-1.1 Clarifications Next: Clarification of MPI_PROBE and MPI_IPROBE Previous: Clarification of MPI_REDUCE . If an attribute copy function or attribute delete function returns other than MPI_SUCCESS, then the call that caused it to be invoked (for example, MPI_COMM_FREE), is erroneous. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node38.html -- 16.2 Кб -- 09.04.2016
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723. Addresses | PARALLEL.RU - Информационно-аналитический центр по параллельным
... Addresses . Up: Data Types Next: File Offsets Previous: Choice . Some MPI procedures use address arguments that represent an absolute address in the calling program. The datatype of such an argument is MPI_Aint in C, MPI::Aint in C++ and INTEGER (KIND=MPI_ADDRESS_KIND) in Fortran. There is the MPI constant MPI_BOTTOM to indicate the start of the address range. ... Return to MPI-2 Standard Index . MPI-2.0 of July 18, 1997 . HTML Generated on August 11, 1997 . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node15.html -- 16.0 Кб -- 09.04.2016
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724. Fortran Binding Issues | PARALLEL.RU - Информационно-аналитический центр по
... Fortran Binding Issues . Up: Language Binding Next: C Binding Issues Previous: Deprecated Names and Functions . MPI-1.1 provided bindings for Fortran 77. MPI-2 retains these bindings but they are now interpreted in the context of the Fortran 90 standard. ... When the term Fortran is used it means Fortran 90. ... All MPI Fortran subroutines have a return code in the last argument. ... The MPI Fortran binding is inconsistent with the Fortran 90 standard in several respects. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node19.html -- 19.3 Кб -- 09.04.2016
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725. State | PARALLEL.RU - Информационно-аналитический центр по параллельным
... State . Up: Data Types Next: Named Constants Previous: Array Arguments . MPI procedures use at various places arguments with state types. The values of such a data type are all identified by names, and no operation is defined on them. For example, the MPI_TYPE_CREATE_SUBARRAY routine has a state argument order with values MPI_ORDER_C and MPI_ORDER_FORTRAN. ... MPI-2.0 of July 18, 1997 . HTML Generated on August 11, 1997 . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node12.html -- 16.0 Кб -- 09.04.2016
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726. Reserved Keys | PARALLEL.RU - Информационно-аналитический центр по параллельным
... Reserved Keys . ... The following keys are reserved. An implementation is not required to interpret these keys, but if it does interpret the key, it must provide the functionality described. { host} . Value is a hostname. The format of the hostname is determined by the implementation. { arch} . ... The format of path is determined by the implementation. { file} . ... The format of the filename and internal format of the file are determined by the implementation. { soft} . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node97.html -- 18.6 Кб -- 09.04.2016
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727. Unsigned long long Type | PARALLEL.RU - Информационно-аналитический центр по
... Unsigned long long Type . Up: New Predefined Datatypes Next: Canonical MPI_PACK and MPI_UNPACK Previous: Signed Characters and Reductions . A new type, MPI_UNSIGNED_LONG_LONG in C and MPI::UNSIGNED_LONG_LONG in C++ is added as an optional datatype. ... The ISO C9X committee has voted to include long long and unsigned long long as standard C types. ... MPI-2.0 of July 18, 1997 . HTML Generated on August 11, 1997 . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node84.html -- 16.3 Кб -- 09.04.2016
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728. Status | PARALLEL.RU - Информационно-аналитический центр по параллельным
... Status . ... That is, no status information is lost in the conversion. int MPI_Status_f2c(MPI_Fint *f_status, MPI_Status *c_status) . If f_status is a valid Fortran status, but not the Fortran value of MPI_STATUS_IGNORE or MPI_STATUSES_IGNORE, then MPI_Status_f2c returns in c_status a valid C status with the same content. If f_status is the Fortran value of MPI_STATUS_IGNORE or MPI_STATUSES_IGNORE, or if f_status is not a valid Fortran status, then the call is erroneous. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node60.html -- 18.5 Кб -- 09.04.2016
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729. Initialization | PARALLEL.RU - Информационно-аналитический центр по
... Initialization . Up: Language Interoperability Next: Transfer of Handles Previous: Assumptions . A call to MPI_INIT or MPI_THREAD_INIT, from any language, initializes MPI for execution in all languages. ... The function MPI_INITIALIZED returns the same answer in all languages. ... The MPI environment is initialized in the same manner for all languages by MPI_INIT. ... The MPI initialization code need perform initialization for a language only if that language library is loaded. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node58.html -- 17.6 Кб -- 09.04.2016
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730. Language Interoperability | PARALLEL.RU - Информационно-аналитический центр по
. Перейти к основному содержанию . Главная . ? Документы . ? Language Interoperability . Up: Miscellany Next: Introduction Previous: Memory Allocation . Up: Miscellany Next: Introduction Previous: Memory Allocation . Return to MPI-2 Standard Index . MPI-2.0 of July 18, 1997 . HTML Generated on August 11, 1997 . О Сервере . Что нового? . Компьютеры . Технологии . Исследования . Метакомпьютинг . Информация . Конференции . Центры . История . Россия . Новости . Общение . Наш сервис . Поиск .
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Ссылки http://www.parallel.ru/docs/mpi2/node55.html -- 15.8 Кб -- 09.04.2016
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731. Passing NULL to MPI_Init | PARALLEL.RU - Информационно-аналитический центр по
... Passing NULL to MPI_Init . Up: Miscellany Next: Version Number Previous: Portable MPI Process Startup . In MPI-1.1, it is explicitly stated that an implementation is allowed to require that the arguments argc and argv passed by an application to MPI_INIT in C be the same arguments passed into the application as the arguments to main. ... Conforming implementations of MPI are required to allow applications to pass NULL for both the argc and argv arguments of main. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node43.html -- 16.7 Кб -- 09.04.2016
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732. Clarification of Binding of MPI_TYPE_SIZE | PARALLEL.RU -
... Clarification of Binding of MPI_TYPE_SIZE . Up: MPI-1.0 and MPI-1.1 Clarifications Next: Clarification of MPI_REDUCE Previous: Clarification of MPI_INTERCOMM_MERGE . This clarification is needed in the MPI-1 description of MPI_TYPE_SIZE, since the issue repeatedly arises. It is a clarification of the binding. Advice to users. The MPI-1 Standard specifies that the output argument of MPI_TYPE_SIZE in C is of type int . ... MPI-2.0 of July 18, 1997 . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node36.html -- 16.4 Кб -- 09.04.2016
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733. Error Handlers | PARALLEL.RU - Информационно-аналитический центр по
... Error Handlers . Up: Miscellany Next: Error Handlers for Communicators Previous: Interlanguage Communication . ... An error handler object is created by a call to MPI_XXX_CREATE_ERRHANDLER(function, errhandler), where XXX is, respectively, COMM, WIN, or FILE. An error handler is attached to a communicator, window, or file by a call to MPI_XXX_SET_ERRHANDLER. ... The error handler currently associated with a communicator, window, or file can be retrieved by a call to MPI_XXX_GET_ERRHANDLER. ...
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Ссылки http://www.parallel.ru/docs/mpi2/node71.html -- 17.7 Кб -- 09.04.2016
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734. Clarification of MPI_PROBE and MPI_IPROBE | PARALLEL.RU -
... Clarification of MPI_PROBE and MPI_IPROBE . ... Process 0 Process 1 ---------- ---------- MPI_Init(); MPI_Init(); MPI_Isend(dest=1); MPI_Probe(); MPI_Barrier(); MPI_Barrier(); MPI_Cancel(); MPI_Wait(); MPI_Test_cancelled(); MPI_Barrier(); MPI_Barrier(); MPI_Recv(); . Since the send has been cancelled by process 0, the wait must be local (page 54, line 13) and must return before the matching receive. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node39.html -- 18.1 Кб -- 09.04.2016
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735. Deprecated Names and Functions | PARALLEL.RU - Информационно-аналитический
... Deprecated Names and Functions . Up: Language Binding Next: Fortran Binding Issues Previous: Language Binding . ... For example, the Fortran binding for MPI-1 functions that have address arguments uses INTEGER . ... In MPI-2, these functions have new names, and new bindings for the address arguments. The use of the old functions is deprecated. ... Also note that some C typedefs and Fortran subroutine names are included in this list; they are the types of callback functions. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node18.html -- 17.4 Кб -- 09.04.2016
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736. File Offsets | PARALLEL.RU - Информационно-аналитический центр по параллельным
... File Offsets . Up: Data Types Next: Language Binding Previous: Addresses . For I/O there is a need to give the size, displacement, and offset into a file. ... To overcome this, these quantities are declared to be INTEGER (KIND=MPI_OFFSET_KIND) in Fortran. In C one uses MPI_Offset whereas in C++ one uses MPI::Offset. ... MPI-2.0 of July 18, 1997 . HTML Generated on August 11, 1997 . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node16.html -- 16.1 Кб -- 09.04.2016
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737. Process Manager Interface | PARALLEL.RU - Информационно-аналитический центр по
... Process Manager Interface . Up: Process Creation and Management Next: Processes in MPI Previous: The Runtime Environment . ... MPI-2.0 of July 18, 1997 . HTML Generated on August 11, 1997 . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node93.html -- 15.9 Кб -- 09.04.2016
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738. Processes | PARALLEL.RU - Информационно-аналитический центр по параллельным
... Processes . ... An MPI program consists of autonomous processes, executing their own code, in a MIMD style. The codes executed by each process need not be identical. The processes communicate via calls to MPI communication primitives. Typically, each process executes in its own address space, although shared-memory implementations of MPI are possible. ... The interaction of an MPI program with other possible means of communication, I/O, and process management is not specified. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node22.html -- 17.3 Кб -- 09.04.2016
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739. C Binding Issues | PARALLEL.RU - Информационно-аналитический центр по
... C Binding Issues . Up: Language Binding Next: C++ Binding Issues Previous: Fortran Binding Issues . ... All MPI names have an MPI_ prefix, defined constants are in all capital letters, and defined types and functions have one capital letter after the prefix. ... The definition of named constants, function prototypes, and type definitions must be supplied in an include file mpi.h. Almost all C functions return an error code. ... Address arguments are of MPI defined type MPI_Aint. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node20.html -- 17.1 Кб -- 09.04.2016
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740. Array Arguments | PARALLEL.RU - Информационно-аналитический центр по
... Array Arguments . Up: Data Types Next: State Previous: Opaque Objects . An MPI call may need an argument that is an array of opaque objects, or an array of handles. The array-of-handles is a regular array with entries that are handles to objects of the same type in consecutive locations in the array. Whenever such an array is used, an additional len argument is required to indicate the number of valid entries (unless this number can be derived otherwise). ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node11.html -- 16.5 Кб -- 09.04.2016
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