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Compaq Parallel Software Environment Release Notes: PVM and MPI

Compaq Parallel Software Environment
Release Notes: PVM and MPI

July 1999

This document contains information about the Compaq Parallel Virtual Machine (PVM) and Message Passing Interface (MPI) software.

Revision /Update Information: This version supersedes the manual issued in January 1999 for DIGITAL PSE Version 1.8.

Operating System Versions: PVM: Compaq Tru64 UNIX (formerly DIGITAL UNIX) V4.0a and higher MPI: Compaq Tru64 UNIX (formerly DIGITAL UNIX) V4.0a and higher

Software Versions: Compaq Parallel Software Environment Version 1.9 Compaq PVM Version 1.9 Compaq MPI Version 1.9

Compaq Computer Corporation
Houston, Texas

©Digital Equipment Corporation 1999…. All Rights Reserved.

Contents

1 PVM Release Notes

1.1 Future PVM Development

1.2 Prerequisite Software

1.3 Supported Platforms

1.4 Installation

1.4.1 PVM Software Distributed with PSE

1.4.2 Patch for MEMORY CHANNEL[TM] Software Version 1.4

1.5 Applications Must be Re-Linked for Version 1.9

1.6 Documentation (PostScript and HTML)

1.7 New in Version 1.9

1.8 New in Version 1.6

1.9 Known Problems

1.9.1 exec Routines

1.9.2 Exhausting Virtual Memory Resources

1.10 Miscellaneous

1.10.1 pvm_exit Blocks to Wait for an Available Receiver

1.10.2 -pthread Compile-Line Argument Needed

1.10.3 PVM Environment Variable Defaults

1.11 Problems, Suggestions or Comments

2 MPI Release Notes

2.1 Prerequisite Software

2.2 Supported Platforms

2.3 Compatibility

2.4 Applications Must be Re-compiled and Re-linked

2.5 Installation

2.5.1 MPI Software Distributed with PSE

2.5.2 Patch for MEMORY CHANNEL[TM] Software Version 1.4

2.6 Documentation (PostScript and HTML)

2.7 New in Version 1.9

2.8 New in Version 1.8

2.9 Known Problems

2.9.1 stdout and stderr Streams are Combined

2.9.2 Running Under a Debugger Leaves Files in /tmp

2.9.3 A Standard Variance

2.9.4 MPI_REQUEST_FREE

2.9.5 MPI_CANCEL

2.9.6 exec Routines

2.9.7 Exhausting Virtual Memory Resources

2.9.8 Error Message: "No MEMORY CHANNEL installed"

2.10 Miscellaneous

2.10.1 User-Level Access for MEMORY CHANNEL[TM]

2.10.2 Shared Memory Segment Limit

2.10.3 -ump_bufs Requires a Multiple of 32

2.11 Problems, Suggestions or Comments

3 Comments, Problems, and Help

3.1 Sending Compaq Your Comments on This Product

3.2 Getting Help from Compaq

3.3 Readers Comments Form-Documentation

Tables

1-1 Default Values for PVM Environment Variables

1


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