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581. Introduction | PARALLEL.RU - Информационно-аналитический центр по параллельным
... Introduction . Up: Language Binding Next: Defined Constants, Error Codes, Info Keys, and Info Values Previous: Language Binding . This annex summarizes the specific bindings for both Fortran, C, and C++. First the constants, error codes, info keys, and info values are presented. Second, the MPI-1.2 bindings are given. Third, the MPI-2 bindings are given. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node252.html -- 16.1 Кб -- 09.04.2016
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582. Introduction | PARALLEL.RU - Информационно-аналитический центр по параллельным
... Introduction . ... The objective of this MPI-2 addition is to allow users of MPI to be able to create new nonblocking operations with an interface similar to what is present in MPI. ... Next, Section Associating Information with Status deals with setting the information found in status. ... Section Error Classes, Error Codes, and Error Handlers allows users to add error codes, classes, and strings to MPI. ... Section Decoding a Datatype deals with decoding datatypes. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node155.html -- 17.8 Кб -- 09.04.2016
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583. Introduction | PARALLEL.RU - Информационно-аналитический центр по параллельным
... Introduction . Up: Extended Collective Operations Next: Intercommunicator Constructors Previous: Extended Collective Operations . MPI-1 defined collective communication for intracommunicators and two routines, MPI_INTERCOMM_CREATE and MPI_COMM_DUP, for creating new intercommunicators. In addition, in order to avoid argument aliasing problems with Fortran, MPI-1 requires separate send and receive buffers for collective operations. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node141.html -- 16.5 Кб -- 09.04.2016
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584. Registers and Compiler Optimizations | PARALLEL.RU -
... Registers and Compiler Optimizations . ... A coherence problem exists between variables kept in registers and the memory value of these variables. ... This problem, which also afflicts in some cases send/receive communication, is discussed more at length in Section A Problem with Register Optimization . ... Details and an additional solution are discussed in Section A Problem with Register Optimization , ``A Problem with Register Optimization,'' . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node139.html -- 17.8 Кб -- 09.04.2016
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585. C++ Bindings for Exceptions | PARALLEL.RU - Информационно-аналитический центр
... C++ Bindings for Exceptions . Up: MPI-1 C++ Language Binding Next: C++ Bindings on all MPI Classes Previous: C++ Bindings for New 1.2 Functions . namespace MPI { Exception::Exception(int error_code); . int Exception::Get_error_code() const; . int Exception::Get_error_class() const; . const char* Exception::Get_error_string() const; . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node299.html -- 16.2 Кб -- 09.04.2016
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586. C++ Bindings for Status Access | PARALLEL.RU - Информационно-аналитический
... C++ Bindings for Status Access . Up: MPI-1 C++ Language Binding Next: C++ Bindings for New 1.2 Functions Previous: C++ Bindings for Profiling . namespace MPI { int Status::Get_source() const . void Status::Set_source(int source) . int Status::Get_tag() const . void Status::Set_tag(int tag) . int Status::Get_error() const . void Status::Set_error(int error) . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node297.html -- 16.3 Кб -- 09.04.2016
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587. Fortran Support | PARALLEL.RU - Информационно-аналитический центр по
. Перейти к основному содержанию . Главная . ? Документы . ? Fortran Support . Up: Language Bindings Next: Overview Previous: Profiling . Up: Language Bindings Next: Overview Previous: Profiling . 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/node234.html -- 15.8 Кб -- 09.04.2016
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588. Mixed-Language Operability | PARALLEL.RU - Информационно-аналитический центр по
... Mixed-Language Operability . ... The C++ language interface provides functions listed below for mixed-language operability. ... For the case where the C++ class corresponding to <CLASS> has derived classes, functions are also provided for converting between the derived classes and the C MPI_<CLASS> . MPI::<CLASS>& MPI::<CLASS>::operator=(const MPI_<CLASS>& data) . MPI::<CLASS>(const MPI_<CLASS>& data) . MPI::<CLASS>::operator MPI_<CLASS>() const . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node232.html -- 16.6 Кб -- 09.04.2016
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589. Additional Support for Fortran Numeric Intrinsic Types | PARALLEL.RU -
... Additional Support for Fortran Numeric Intrinsic Types . ... Up: Additional Support for Fortran Numeric Intrinsic Types Next: Support for Size-specific MPI Datatypes Previous: Additional Support for Fortran Numeric Intrinsic Types . ... Up: Additional Support for Fortran Numeric Intrinsic Types Next: Communication With Size-specific Types Previous: Parameterized Datatypes with Specified Precision and Exponent Range . ... IN x] a Fortran variable of numeric intrinsic type (choice) . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node246.html -- 41.5 Кб -- 09.04.2016
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590. Communicators | PARALLEL.RU - Информационно-аналитический центр по параллельным
... Communicators . ... The MPI::Comm class hierarchy makes explicit the different kinds of communicators implicitly defined by MPI and allows them to be strongly typed. ... Types of communicators There are five different types of communicators: MPI::Comm , MPI::Intercomm , MPI::Intracomm , MPI::Cartcomm , and MPI::Graphcomm . ... MPI::COMM_NULL The specific type of MPI::COMM_NULL is implementation dependent. ... MPI::Comm::Clone() The C++ language interface for MPI includes a new function Clone() . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node230.html -- 20.5 Кб -- 09.04.2016
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591. Examples | PARALLEL.RU - Информационно-аналитический центр по параллельным
... MPI_MODE_CREATE, MPI_INFO_NULL, &fh0 ) ; MPI_File_set_view( fh0, 0, MPI_INT, MPI_INT, "native", MPI_INFO_NULL ) ; MPI_File_set_atomicity( fh0, TRUE ) ; MPI_File_write_at(fh0, 0, a, 10, MPI_INT, &status) ; /* MPI_Barrier( MPI_COMM_WORLD ) ; */ . ... MPI_MODE_CREATE, MPI_INFO_NULL, &fh0 ) ; MPI_File_set_view( fh0, 0, MPI_INT, MPI_INT, "native", MPI_INFO_NULL ) ; MPI_File_write_at(fh0, 0, a, 10, MPI_INT, &status ) ; MPI_File_sync( fh0 ) ; MPI_Barrier( MPI_COMM_WORLD ) ; MPI_File_sync( fh0 ) ; . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node215.html -- 25.8 Кб -- 09.04.2016
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592. File Consistency | PARALLEL.RU - Информационно-аналитический центр по
... File Consistency . Up: Consistency and Semantics Next: Random Access vs. ... For the purpose of consistency semantics, a matched pair (Section Split Collective Data Access Routines ) of split collective data access operations (e.g., MPI_FILE_READ_ALL_BEGIN and MPI_FILE_READ_ALL_END) compose a single data access operation. ... MPI_FILE_GET_ATOMICITY returns the current consistency semantics for data access operations on the set of file handles created by one collective open. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node206.html -- 25.2 Кб -- 09.04.2016
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593. User-Defined Data Representations | PARALLEL.RU - Информационно-аналитический
... User-Defined Data Representations . ... IN read_conversion_fn] function invoked to convert from file representation to native representation (function) . ... Up: User-Defined Data Representations Next: Datarep Conversion Functions Previous: User-Defined Data Representations . ... The function must copy count data items from userbuf in the distribution described by datatype, to a contiguous distribution in filebuf, converting each data item from native representation to file representation. ...
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Ссылки http://www.parallel.ru/docs/mpi2/node201.html -- 28.9 Кб -- 09.04.2016
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594. Datatypes for File Interoperability | PARALLEL.RU - Информационно-аналитический
... Datatypes for File Interoperability . Up: File Interoperability Next: External Data Representation: ``external32'' Previous: File Interoperability . ... Any of the datatype constructor functions may be used; however, for those functions that accept displacements in bytes, the displacements must be specified in terms of their values in the file for the file data representation being used. ... The function MPI_FILE_GET_TYPE_EXTENT can be used to calculate the extents of datatypes in the file. ...
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Ссылки http://www.parallel.ru/docs/mpi2/node199.html -- 21.0 Кб -- 09.04.2016
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595. File Interoperability | PARALLEL.RU - Информационно-аналитический центр по
... File Interoperability . Up: I/O Next: Datatypes for File Interoperability Previous: Split Collective Data Access Routines . ... MPI guarantees full interoperability within a single MPI environment, and supports increased interoperability outside that environment through the external data representation (Section External Data Representation: ``external32'' ) as well as the data conversion functions (Section User-Defined Data Representations ). ... There are three aspects to file interoperability: . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node198.html -- 23.5 Кб -- 09.04.2016
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596. Split Collective Data Access Routines | PARALLEL.RU -
... Split Collective Data Access Routines . Up: Data Access Next: File Interoperability Previous: Seek . MPI provides a restricted form of ``nonblocking collective'' I/O operations for all data accesses using split collective data access routines. ... An implementation is free to implement any split collective data access routine using the corresponding blocking collective routine when either the begin call (e.g., MPI_FILE_READ_ALL_BEGIN) or the end call (e.g., MPI_FILE_READ_ALL_END) is issued. ...
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Ссылки http://www.parallel.ru/docs/mpi2/node197.html -- 28.4 Кб -- 09.04.2016
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597. Data Access with Shared File Pointers | PARALLEL.RU -
... Data Access with Shared File Pointers . ... The shared file pointer routines have the same semantics as the data access with explicit offset routines described in Section Data Access with Explicit Offsets , with the following modifications: . ... Up: Data Access with Shared File Pointers Next: Collective Operations Previous: Data Access with Shared File Pointers . ... Up: Data Access with Shared File Pointers Next: Split Collective Data Access Routines Previous: Collective Operations . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node193.html -- 31.1 Кб -- 09.04.2016
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598. Data Access with Individual File Pointers | PARALLEL.RU -
... Data Access with Individual File Pointers . ... The individual file pointer routines have the same semantics as the data access with explicit offset routines described in Section Data Access with Explicit Offsets , with the following modification: . ... After an individual file pointer operation is initiated, the individual file pointer is updated to point to the next etype after the last one that will be accessed. ... MPI_FILE_READ reads a file using the individual file pointer. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node192.html -- 28.0 Кб -- 09.04.2016
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599. Data Access with Explicit Offsets | PARALLEL.RU - Информационно-аналитический
... Data Access with Explicit Offsets . Up: Data Access Next: Data Access with Individual File Pointers Previous: Data Access Conventions . ... IN offset] file offset (integer) . ... int MPI_File_read_at(MPI_File fh, MPI_Offset offset, void *buf, int count, MPI_Datatype datatype, MPI_Status *status) . ... INTEGER(KIND=MPI_OFFSET_KIND) OFFSET . void MPI::File::Read_at(MPI::Offset offset, void* buf, int count, const MPI::Datatype& datatype, MPI::Status& status) . ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node191.html -- 22.8 Кб -- 09.04.2016
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600. File Views | PARALLEL.RU - Информационно-аналитический центр по параллельным
... File Views . ... MPI_FILE_SET_VIEW(fh, disp, etype, filetype, datarep, info) . ... The start of the view is set to disp; the type of data is set to etype; the distribution of data to processes is set to filetype; and the representation of data in the file is set to datarep. ... MPI_FILE_SET_VIEW is collective; the values for datarep and the extents of etype in the file data representation must be identical on all processes in the group; values for disp, filetype, and info may vary. ... Центры . ...
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Ссылки http://www.parallel.ru/docs/mpi2/node184.html -- 23.8 Кб -- 09.04.2016
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