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Virtual memory mapped network interface for the SHRIMP multicomputer

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6 Author(s)
Blumrich, M.A. ; Dept. of Comput. Sci., Princeton Univ., NJ, USA ; Li, K. ; Alpert, R. ; Dubnicki, C.
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The network interfaces of existing multicomputers require a significant amount of software overhead to provide protection and to implement message passing protocols. The authors describe the design of a low-latency, high-bandwidth, virtual memory-mapped network interface for the SHRIMP multicomputer project at Princeton University. Without sacrificing protection, the network interface achieves low latency by using virtual memory mapping and write-latency hiding techniques, and obtains high bandwidth by providing a user-level block data transfer mechanism. The authors have implemented several message passing primitives in an experimental environment, demonstrating that their approach can reduce the message passing overhead to a few user-level instructions

Published in:

Computer Architecture, 1994., Proceedings the 21st Annual International Symposium on

Date of Conference:

18-21 Apr 1994