Patent · US Expired

Data dependency collapsing hardware apparatus

USRE35311E · kind E · reissue

13Cited by
8References
46Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 18, 1994
Grant dateAug 6, 1996
Priority date
Expiry dateAug 18, 2014

Classification

  • Technology area (CPC —)General

Abstract

A multi-function ALU (arithmetic/logic unit) for use in digital data processing facilitates the execution of instructions in parallel, thereby enhancing processor performance. The proposed apparatus reduces the instruction execution latency that results from data dependency hazards in a pipelined machine. This latency reduction is accomplished by collapsing the interlocks due to these hazards. The proposed apparatus achieves performance improvement while maintaining compatibility with previous implementations designed using an identical architecture.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.