Power throttling queue

摘要

A power throttling queue includes a queue and a throttling circuit. The queue has multiple entries. Each entry has a data field and a valid field. The multiple entries include a first portion and a selectively disabled second portion. The throttling circuit is coupled to the queue, and selectively disables the second portion in response to a number of valid entries of the first portion.

主权项

1. A power throttling queue comprising:
a queue having plurality of entries, each entry having a data field and a valid field, said queue filling entries in an order from a lowest ordered entry to a highest ordered entry, and draining entries from a highest ordered valid entry to a lowest ordered valid entry, said plurality of entries comprising a first portion and a selectively disabled second portion; and a throttling circuit coupled to said queue, for selectively disabling said second portion in response to a number of valid entries of said first portion, said throttling circuit keeping said second portion inactive regardless of said number of valid entries of said first portion in response to an override signal.