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Performance comparison of vector-calculations between Itanium2 and other processors

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3 Author(s)
T. Nanri ; Comput. & Commun. Center, Kyushu Univ., Hakozaki, Japan ; Y. Watanabe ; H. Sato

This paper examines the performance similarity of the Intel Itanium2 processor and a vector processor. From the measurements of vector-calculations on latest scalar processors, Itanium2 shares similar strong points and weak points of performance with VPP5000. For multiplications of dense matrices, Itanium2 and VPP5000 show relatively high sustained-performance to the theoretical peak. For matrix-vector multiplications with sparse matrices, on the other hand, those two processors show poor performance.

Published in:

Innovative Architecture for Future Generation High-Performance Processors and Systems (IWIA'05)

Date of Conference:

17 Jan. 2005