Xi He xxh2229@rit.edu Committee: Chair: Prof. Alan - - PowerPoint PPT Presentation

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xi he xxh2229 rit edu committee chair prof alan kaminsky
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Xi He xxh2229@rit.edu Committee: Chair: Prof. Alan - - PowerPoint PPT Presentation

Jul 23, 2023 531 likes •816 views

Xi He xxh2229@rit.edu Committee: Chair: Prof. Alan Kaminsky Reader: Prof. Hans-Peter Bischof Observer: Prof. Minseok Kwon Introduction SSH Motivation Design Deploy, user manual and

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Xi He xxh2229@rit.edu Committee: Chair: Prof. Alan Kaminsky Reader: Prof. Hans-Peter Bischof Observer: Prof. Minseok Kwon

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  • Introduction
  • SSH
  • Motivation
  • Design
  • Deploy, user manual and test
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Why Parallel Computing is important [1]?

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MPI : a standard application program interface for writing parallel programs. Important implementation: Sun MPI [2], MPICH2 [3], OpenMPI [4] Parallel Java [5], mpiJava [6], MPJ [7]

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Parallel Java’s Architecture[5]

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Two goals in this master project

  • Improve Job launching Scheme
  • Improve Web Interface
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Transport Layer Protocol

  • Identification exchange
  • Algorithm exchange
  • Key exchange

User Authentication Layer Protocol

Public key, password, keyboard

Connection Layer Protocol

Channel open, data transfer

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SSH is too complicated Replace SSH with MAC More functionality in Web interface

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Parallel Java’s New Architecture

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  • Modify the protocol for communication

between Job Scheduler Daemon and Job Frontend Process

  • Newly define the protocol for

communication between Job Frontend Process and Job Backend Daemon

  • Newly define the protocol for

communication between Job Scheduler Daemon and Job Backend Daemon

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Job frontend process VS Job Backend Daemon Challenge-response MAC based authentication

  • Both sides authentication
  • Data integrity
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Authentication Issues

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Possible Solution

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Web Server Design

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  • Package the class files and copy to the

cluster parallel computers

  • Modify the configuration file
  • Set up a certificate
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  • Set up the user’s account
  • Demo submit a job via command line
  • Demo submit a job via Web interface
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  • Run 10 Jobs on original Parallel Java, new

Parallel Java, Web interface respectively.

  • Each jobs require all of the available

processors.

  • Measure the time for these MPI

implementations to launch the submitted jobs.

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[1] H. Sutter, “The free lunch is over: A fundamental turn toward concurrency in software,” Dr. Dobbs Journal, vol. 30, no. 3, pp. 16–20, 2005. [2] “Sun MPI 4.0 Programming and Reference Guide,” Website, 1999. [Online]. Available: http://docs.sun.com/app/docs/doc/805-6269-10 [3] “MPICH2,” Website, 2009. [Online]. Available: http:// www.mcs.anl.gov/research/projects/ mpich2/ [4] “Open MPI,” Website, 2010. [Online]. Available: http://www.open-mpi.org/ [5] A. Kaminsky, “Parallel Java: A unified API for shared memory and cluster parallel pro- gramming in 100% Java,” in 21st IEEE International Parallel and Distributed Processing Symposium (IPDPS 2007).Citeseer, 2007. [6] “mpiJava,” Website, 2007. [Online]. Available: http:// www.hpjava.org/mpiJava.html

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[7] M. Baker and B. Carpenter, “Mpj: A proposed java message passing api and environment forhigh performance computing,” Parallel and Distributed Processing, pp. 552–559.

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Any Questions ?