TITLE

PATHSCALE INFINIPATH ACHIEVES HIGH PERFORMANCE

PUB. DATE
July 2005
SOURCE
UNIX Update;Jul2005, Vol. 16 Issue 7, p2
SOURCE TYPE
Trade Publication
DOC. TYPE
Article
ABSTRACT
This article reports on the performance of PathScale's InfiniPath cluster interconnect on industry-standard benchmark tests, as of July 2005. The InfiniPath HTX Adapter is a low-latency cluster interconnect for InfiniBand that plugs into standard HyperTransport technology-based HTX slots on AMD Opteron processor-based servers. Over 20 leading Linux system vendors around the world have committed to reselling InfiniPath, which is immediately orderable. Optimized for communications-sensitive applications, PathScale InfiniPath is the industry's lowest-latency Linux cluster interconnect for message passing (MPI) applications. InfiniPath has achieved a record-low MPI latency of 1.32 microseconds on the standard Ohio State MPI benchmarks. InfiniPath also achieved a peak unidirectional bandwidth of 952 megabyte per second and achieves half of this peak bandwidth at 385 byte messages. InfiniPath delivers SMP-class performance to commodity-priced compute clusters to increase application performance, cluster utilization and user productivity. InfiniPath leverages five industry standards: HyperTransport, InfiniBand, OpenIB, MPICH and the AMD64 Direct Connect Architecture. InfiniPath connects to any standard InfiniBand 4X switch including those from Infinicon, opSpin and Voltaire. InfiniPath will also support the OpenIB software stack providing full InfiniBand compliance. InfiniPath works with all AMD Opteron processors, but uniquely exploits Dual-Core AMD Opteron processor-based servers. InfiniPath implements a HyperTransport tunnel architecture enabling easier configurability on multiprocessor designs. With InfiniPath, applications deployed on Linux clusters can efficiently and reliably scale to thousands of nodes.
ACCESSION #
17706711

 

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