Description
The Alpha 21164 is a four-issue superscalar microprocessor capable of issuing a maximum of four instructions per clock cycle to four execution units: two integer and two floating-point. The integer pipeline is seven stages long, and the floating-point pipeline is ten stages long. The 21164 implemented a 43-bit virtual address and a 40-bit physical address. It was therefore capable of addressing 8 TB of virtual memory and 1 TB of physical memory.
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