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Describe the architecture and performance capabilities of the quad-issue, superscalar 21164 Alpha microprocessor.

April 1, 1995IEEE Micro

Superscalar instruction execution in the 21164 Alpha microprocessor

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Describe the architecture and performance capabilities of the quad-issue, superscalar 21164 Alpha microprocessor.
Fabricated the microprocessor using a 0.5-μm CMOS process operating at a 300-MHz clock rate.
Implemented a quad-issue execution pipeline coupled with low operational latency and nonblocking memory systems.
Evaluated computational throughput using SPECint32 and SPECfp92 performance benchmarks.
Achieved a peak execution rate of 1.2 billion instructions per second at 300 MHz.
Delivered an estimated benchmark performance of 345 SPECint32 and 505 SPECfp92.

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Implication

Technical evaluation demonstrates 1.2 billion instructions per second execution in a 300-MHz quad-issue Alpha microprocessor, highlighting the impact of nonblocking memory systems on performance.

Cite This Study

Edmondson et al. (1995) studied this question.

synapsesocial.com/papers/6a156feca2352da347826fc6 https://doi.org/10.1109/40.372349

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Implication

Technical evaluation demonstrates 1.2 billion instructions per second execution in a 300-MHz quad-issue Alpha microprocessor, highlighting the impact of nonblocking memory systems on performance.

Superscalar instruction execution in the 21164 Alpha microprocessor

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Discussion

Implication

Cite This Study

Superscalar instruction execution in the 21164 Alpha microprocessor

Key Points

Discussion

Implication

Cite This Study

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