Register file allocation

Details Register file allocation Register file allocation

2006-11-03

2009-12-15

Nguyen, Hiep T (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Shared memory area

Reexamination Certificate

active

07634621

ABSTRACT:
Circuits, methods, and apparatus that provide the die area and power savings of a single-ported memory with the performance advantages of a multiported memory. One example provides register allocation methods for storing data in a multiple-bank register file. In a thin register allocation method, data for a process is stored in a single bank. In this way, different processes use different banks to avoid conflicts. In a fat register allocation method, processes store data in each bank. In this way, if one process uses a large number of registers, those registers are spread among the banks, avoiding a situation where one bank is filled and other processes are forced to share a reduced number of banks. In a hybrid register allocation method, processes store data in more than one bank, but fewer than all the banks. Each of these methods may be combined in varying ways.

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