Title :
Performance comparison of vector-calculations between Itanium2 and other processors
Author :
Nanri, Takeshi ; Watanabe, Yoshitaka ; Sato, Hiroyuki
Author_Institution :
Comput. & Commun. Center, Kyushu Univ., Hakozaki, Japan
Abstract :
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.
Keywords :
digital arithmetic; matrix multiplication; microprocessor chips; sparse matrices; vector processor systems; Intel Itanium2 processor; VPP5000; matrix-vector multiplication; scalar processor; sparse matrices; vector processor; vector-calculation; Application software; Computer architecture; Concurrent computing; Information technology; Pipeline processing; Registers; Scientific computing; Sparse matrices; Supercomputers; Vector processors;
Conference_Titel :
Innovative Architecture for Future Generation High-Performance Processors and Systems, 2005
Print_ISBN :
0-7695-2483-4
DOI :
10.1109/IWIA.2005.36
