Contents Acknowledgments Introduction to MPl 11 1 1.2 1.3 nd of MPI-1.1.MPL-1.2.and MPI-2.0 1.4 Background of MPI-1.3 and MPI-2.1 Ba kground of MPL2 d of MPL-3.0 This Standa rnPplaneutation Not In 22344455566 ded In Th ndar ? of this Document 2 MPI Terms and Conventions 9 2.1 Document Notation 9 2.2 Naming Conventions 9 2. Procedure Specification 2.4 Semantic Terms 01 2.5 Data Types 2.51 Opaque Objects 959 Arguments 12124 2.5.3 2.5.4 Named Constants 2.5.5 Choice 2.5.6 Absolute Addresses and Relative Address Displacements 057 File Offsets 2.5.8 Counts 2.6 age Bindin and ren oved Nam 2.6.3 C Binding Iss 2.6.4 ion nd Macros 4500077799000 Error Han dimgContents Acknowledgments ix 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 Who Should Use This Standard? . . . . . . . . . . . . . . . . . . . . . . . . 5 1.9 What Platforms Are Targets For Implementation? . . . . . . . . . . . . . . 5 1.10 What Is Included In The Standard? . . . . . . . . . . . . . . . . . . . . . . 5 1.11 What Is Not Included In The Standard? . . . . . . . . . . . . . . . . . . . . 6 1.12 Organization of this Document . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 MPI Terms and Conventions 9 2.1 Document Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.2 Naming Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3 Procedure Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.4 Semantic Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.5 Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.5.1 Opaque Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.5.2 Array Arguments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.5.3 State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.5.4 Named Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.5.5 Choice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.5.6 Absolute Addresses and Relative Address Displacements . . . . . . . 16 2.5.7 File Offsets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.5.8 Counts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.6 Language Binding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.6.1 Deprecated and Removed Names and Functions . . . . . . . . . . . . 17 2.6.2 Fortran Binding Issues . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.6.3 C Binding Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.6.4 Functions and Macros . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.7 Processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.8 Error Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 v