Contents List of Figures List of Tables Acknowledgments xxii 1 1,MPI-12,and MPL-2.0 3 and MPI- 112234 Background of MPl-2.2 1.6 Background of MF 1.7 Background of MPI-3.1 1.0 of MPI-4.0 1 Who Should Use This Standard? 1.10 What Platforms Are Targets for Implementation? 445555 1.11 What Is Included in the Standard? What Is Not Included in the Standard? 1.13 Organization of This Document 6 2 MPI Terms s and Con nventions 4234 MPL 3 2.5 D Opaqu Objects Array Arguments 2.5 amed Constants 。 resses and Relative Address Displacements 112133157181800022223 2.5.7 File Offsets 2.5.8 Counts 26 Language Binding. Contents List of Figures xviii List of Tables xx Acknowledgments xxii 1 Introduction to MPI 1 1.1 Overview and Goals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Background of MPI-1.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3 Background of MPI-1.1, MPI-1.2, and MPI-2.0 . . . . . . . . . . . . . . . . 2 1.4 Background of MPI-1.3 and MPI-2.1 . . . . . . . . . . . . . . . . . . . . . . 3 1.5 Background of MPI-2.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.6 Background of MPI-3.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.7 Background of MPI-3.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.8 Background of MPI-4.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.9 Who Should Use This Standard? . . . . . . . . . . . . . . . . . . . . . . . 5 1.10 What Platforms Are Targets for Implementation? . . . . . . . . . . . . . . 5 1.11 What Is Included in the Standard? . . . . . . . . . . . . . . . . . . . . . . 5 1.12 What Is Not Included in the Standard? . . . . . . . . . . . . . . . . . . . . 6 1.13 Organization of This Document . . . . . . . . . . . . . . . . . . . . . . . . 6 2 MPI Terms and Conventions 11 2.1 Document Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.2 Naming Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.3 Procedure Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.4 Semantic Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.4.1 MPI Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.4.2 MPI Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.4.3 MPI Datatypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.5 Datatypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.5.1 Opaque Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.5.2 Array Arguments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.5.3 State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.5.4 Named Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.5.5 Choice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.5.6 Absolute Addresses and Relative Address Displacements . . . . . 22 2.5.7 File Offsets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.5.8 Counts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.6 Language Binding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 v