THE EVOLUTION OF RISC TECHNOLOGY AT IBM

被引:14
作者
COCKE, J [1 ]
MARKSTEIN, V [1 ]
机构
[1] IBM CORP,UNIV & COLL SYST,1000 WESTCHESTER AVE,WHITE PLAINS,NY 10601
关键词
D O I
10.1147/rd.341.0004
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
This paper traces the evolution of IBM RISC architecture from its origins in the 1970s at the IBM Thomas J. Watson Research Center to the present-day IBM RISC System/6000 computer. The acronym RISC, for Reduced Instruction-Set Computer, is used in this paper to describe the 801 and subsequent architectures. However, RISC in this context does not strictly imply a reduced number of instructions, but rather a set of primitives carefully chosen to exploit the fastest component of the storage hierarchy and provide instructions that can be generated easily by compilers. We describe how these goals were embodied in the 801 architecture and how they have since evolved on the basis of experience and new technologies. The effect of this evolution is illustrated with the results of several benchmark tests of CPU performance.
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页码:4 / 11
页数:8
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