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Alpha Microprocessor Roadmap

This document outlines the advancements in dual processor architectures presented at the Microprocessor Forum in 2001, focusing on the roadmap for the EV7 and EV68 microprocessors. Key features include enhancements to voltage regulator modules, the introduction of the Core Microprocessor (EV68) with upgraded frequencies, and support for RDRAM. The document also highlights the performance evaluation metrics such as SPECint2000 and SPECfp2000 along with the architectural innovations aimed at increasing memory bandwidth and enabling glueless symmetric multiprocessing (SMP) configurations.

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Alpha Microprocessor Roadmap

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  1. Alpha Microprocessor Roadmap Microprocessor Forum 2001

  2. Dual Processor Building Block Module 2 x EV7 CPU’s Voltage Regulator Modules (N+1 Capable) 0-20 RIMM modules; 4, 16, or 32 RDRAMs each CPU Management Module (CMM) Front Microprocessor Forum 2001

  3. I/O Router Mem0 Mem1 L2 Tag N E S W L2 Data L2 Data P 0 1 2 3 P 4 5 6 7 EV68 Core Microprocessor Forum 2001

  4. McCalpin STREAMS Microprocessor Forum 2001

  5. SPECint2000 (estimate) Microprocessor Forum 2001

  6. SPECfp2000 (estimate) Microprocessor Forum 2001

  7. Conclusion • EV68CB upgrade to 1250 MHz • EV7 will extend the EV6 core with: • On chip L2 • Two memory controllers for directly connected RDRAM memory • Glueless SMP • EV79 will extend the EV7 with • Improved clock frequency • Increased memory performance with 1066Mb/s RDRAM memory Microprocessor Forum 2001

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