Efficient Java RMI for Parallel Programming

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Efficient Java RMI for Parallel Programming

• J. Maassen, R. van Nieuwpoort, R. Veldema, H.
  Bal, T. Kielmann, C. Jacobs, R. Hofman

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Scalability Challenges

• RMI reflection runtime overhead
• Size of messages
• Number of data packets
• Specialized network interfaces
• Myrinet

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Manta

• Compile-time analysis
• efficient serialization routines
• Dynamic byte code compilation
• Cache meta-data per connection
• Replace TCP/IP with Panda/Myrinet
• scatter/gather - reduce memory copies
• map network interface into user space
• e.g. arrays of primitive types