The Alpha 21264 microprocessor architecture
Kessler, R.E.; McLellan, E.J.; Webb, D.A.
Computer Design: VLSI in Computers and Processors, 1998. ICCD apos;98. Proceedings. International Conference on
Volume , Issue , 5-7 Oct 1998 Page(s):90 - 95
Digital Object Identifier   10.1109/ICCD.1998.727028
Summary:The 21264 is the third generation Alpha microprocessor from Compaq Computer (formerly Digital Equipment) Corporation. This microprocessor achieves the industry-leading performance levels of 30+ Specint95 and 50+ Specfp95. In addition to the aggressive 600 MHz cycle time in a 0.35 μm CMOS process, there are also many architectural features that enable the outstanding performance level of the 21264. This paper discusses many of these architectural techniques, which include an out-of-order and speculative execution pipeline coupled with a high-performance memory system

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