Alpha processor is a 64-bit reduced instruction set computer instruction set architecture developed by Digital Equipment Corporation .
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Alpha processor is a 64-bit reduced instruction set computer instruction set architecture developed by Digital Equipment Corporation .
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Alpha processor architecture was sold, along with most parts of DEC, to Compaq in 1998.
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Alpha processor emerged from an earlier RISC project named Parallel Reduced Instruction Set Machine, itself the product of several earlier projects.
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The primary Alpha instruction set architects were Richard L Sites and Richard T Witek.
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The Alpha processor chips show that manual circuit design applied to a simpler, cleaner architecture allows for much higher operating frequencies than those that are possible with the more automated design systems.
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The Alpha processor was designed as 64-bit from the start and there is no 32-bit version.
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Alpha processor has a 64-bit linear virtual address space with no memory segmentation.
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The Alpha processor Architecture was designed with a large range as part of the architecture's forward-looking goal.
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The Alpha 21264 is the first microprocessor to implement these instructions.
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At the time of its announcement, Alpha processor was heralded as an architecture for the next 25 years.
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Alpha processor is implemented in the Piranha, a research prototype developed by Compaq's Corporate Research and Nonstop Hardware Development groups at the Western Research Laboratory and Systems Research Center.
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However, the figures give a rough impression of the performance of the Alpha processor architecture, compared with the contemporary HP and Intel-based offerings .
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