Software Environments For Cluster-Based Display Systems

  • Authors:
  • Han Chen;Douglas W. Clark;Zhiyan Liu;Grant Wallace;Kai Li;Yuqun Chen

  • Affiliations:
  • -;-;-;-;-;-

  • Venue:
  • CCGRID '01 Proceedings of the 1st International Symposium on Cluster Computing and the Grid
  • Year:
  • 2001

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Abstract

An inexpensive way to construct a scalable display wall system is to use a cluster of PCs with commodity graphics accelerators to drive an array of projectors. A challenge is to bring off-the-shelf sequential applications to run on such a display wall efficiently without using expensive, high-performance interconnects.This paper studies two execution models for a scalable display wall system: master-slave and synchronized execution models. We have designed and implemented four software tools, two for each execution model, including VDD (Virtual Display Driver), GLP (GL-DLL Replacement), SSE (System-level Synchronized Execution), and ASE (Application-level Synchronized Execution). In order to support the synchronized execution model, we have also designed a broadcast, speculative file cache to provide scalable I/O performance. The paper reports our experimental results with several 3D applications on the display wall to understand the performance implications and tradeoffs of these methods.