NDLI: A high-speed network interface for distributed-memory systems: architecture and applications

Content Provider	ACM Digital Library
Author	Steenkiste, Peter
Copyright Year	1997
Abstract	Distributed-memory systems have traditionally had great difficulty performing network I/O at rates proportional to their computational power. The problem is that the network interface has to support network I/O for a supercomputer, using computational and memory bandwidth resources similar to those of a workstation. As a result, the network interface becomes a bottleneck. In this article we present an I/O architecture that addresses these problems and supports high-speed network I/O on distributed-memory systems. The key to good performance is to partition the work appropriately between the system and the network interface. Some communication tasks are performed on the distributed-memory parallel system, since it is more powerful and less likely to become a bottleneck than the network interface. Tasks that do not parallelize well are performed on the network interface, and hardware support is provided for the most time-critical operations. This architecture has been implemented for the iWarp distributed-memory system and has been used by a number of applications. We describe this implementaiton, present performance results, and use application examples to validated the main features of the I/O architecture.
Starting Page	75
Ending Page	109
Page Count	35
File Format	PDF
ISSN	07342071
e-ISSN	15577333
DOI	10.1145/244764.244767
Volume Number	15
Issue Number	1
Journal	ACM Transactions on Computer Systems (TOCS)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1997-02-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	I/O architecture Application-managed I/O Data reshuffling Distributed memory systems Network interface Outboard buffering Protocol processing Resource management
Content Type	Text
Resource Type	Article
Subject	Computer Science

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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