Alpha 21264 Microprocessor

This product brief introduces the third-generation 64-bit Alpha 21264 microprocessor from DIGITAL Semiconductor. The 21264 is designed to deliver industry-leading performance for applications ranging from PC clients to enterprise servers. Key features include:

• Performance: High SPECint95 and SPECfp95 benchmarks with significant bandwidth for L2 cache and memory.
• Architecture: A four-way out-of-order-issue pipeline featuring dynamic scheduling, register renaming, speculative execution, and new motion-video instructions (MVI).
• Versatility: Broad operating system support including Windows NT, DIGITAL UNIX, OpenVMS, VxWorks, and Linux.
• Infrastructure: Support for high-speed SRAMs and compatibility with the 21272 core logic chipset.

The document also highlights the 21264's role in advancing visual computing, data mining, and internet commerce, while providing investment protection for system developers through a scalable migration path.