MPI-2: standards beyond the message-passing model

E. Lusk
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引用次数: 6

Abstract

The MPI (Message-Passing Interface) Standard has been successful in its goal of promoting portable parallel programming for both application writers and library implementors. MPI-I confined itself to the well-known and understood message-passing model, in which a fixed number of processes with separate address spaces communicate only though cooperative operations such as send/receive or collective operations such as broadcast and reduce. In a second round of activity, the MPI Forum has recently concluded work on the MPI-2 Standard, which extends MPI beyond the message-passing programming model in a number of ways, including dynamic process management, one-sided operations, and some shared-memory operations. The message-passing model has also been used in MPI-2 as a model for parallel I/O. This paper describes the salient features of the MPI-2 Standard with special emphasis on the programming model that results from these extensions to the message-passing model.
MPI-2:超越消息传递模型的标准
MPI(消息传递接口)标准成功地实现了为应用程序编写者和库实现者促进可移植并行编程的目标。MPI-I将自己限制在众所周知的消息传递模型中,在该模型中,具有单独地址空间的固定数量的进程仅通过发送/接收等合作操作或广播和减少等集体操作进行通信。在第二轮活动中,MPI论坛最近结束了MPI-2标准的工作,该标准以多种方式将MPI扩展到消息传递编程模型之外,包括动态进程管理、单边操作和一些共享内存操作。消息传递模型也在MPI-2中用作并行I/O的模型。本文描述了MPI-2标准的主要特性,特别强调了从这些扩展到消息传递模型的编程模型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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