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Fast “Short” Messages on a Linux Cluster

  • M. Danelutto
  • A. Rampini
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2110)

Abstract

We discuss an experiment aimed at lowering the operating system related overheads when performing small size message communications on a Beowulf class Linux PC cluster. The experiment consists in adding a small number of new system calls to the Linux kernel allowing user code to send/receive messages to/from remote processes. The system calls have been implemented using the standard kernel module mechanism provided by Linux. Those new system calls allow small size messages to be exchanged between cluster nodes with times that are 10 to 15% smaller than those achieved using standard TCP/IP communications.

Keywords

Destination Node Interconnection Network System Call Kernel Module Kernel Space 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • M. Danelutto
    • 1
  • A. Rampini
    • 1
  1. 1.Dept. of Computer ScienceUniversity of PisaItaly

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