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Table of contents

Slide 1

Outline

Beowulf

Architecture

Bproc

Scyld Beowulf

Mini-Grids

Scyld Components

Beowulf Programs

Slide 10

MPI Programming Models

Slide 12

Slide 13

Slide 14

Slide 15

Slide 16

Slide 17

Data Parallel Model

Slide 19

Slide 20

Slide 21

Slide 22

MPI

Most used MPI commands

Initialize and Finalize

Slide 26

Size and Rank

Slide 28

Simple Example

Send and Receive

receive

MPI_Datatypes

Communicators

Task Numbers

Tags

Message matching

Slide 37

Send/Recv Example

Slide 39

Slide 40

Modes

Slide 42

Slide 43

Slide 44

Slide 45

Semantics

Slide 47

Slide 48

Slide 49

Combined Send/Recv

Slide 51

Broadcast

Barriers

Reduction

Slide 55

Another example

Slide 57

Slide 58

Slide 59

Slide 60

Slide 61

Slide 62

Bpsh

Mpprun

Slide 65

Mpprun Examples

Mpirun1

Mpirun

Inline MPIRUN

MPIrun inside programs

Bproc utilities

Monitoring Jobs

Roadmap

Access

Author: Dan Stanzione

E-mail: dstanzi@clemson.edu

Homepage: http://www.parl.clemson.edu/~dstanzi