Invention Grant
- Patent Title: Method and apparatus for data-less bus query
- Patent Title (中): 无数据总线查询的方法和装置
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Application No.: US12537857Application Date: 2009-08-07
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Publication No.: US08296525B1Publication Date: 2012-10-23
- Inventor: Frank O'Bleness , Sujat Jamil , David E. Miner , Tom Hameenanttila , Jeffrey Kehl , Richard Bryant , Kim Schuttenberg
- Applicant: Frank O'Bleness , Sujat Jamil , David E. Miner , Tom Hameenanttila , Jeffrey Kehl , Richard Bryant , Kim Schuttenberg
- Applicant Address: BM
- Assignee: Marvell International Ltd.
- Current Assignee: Marvell International Ltd.
- Current Assignee Address: BM
- Main IPC: G06F12/00
- IPC: G06F12/00
Abstract:
A system and method of tracking multiple non-identification tagged requests in a system with multiple responders using one or more tracking queues. In some embodiments, the system and method may be implemented in a snoop filter covering multiple caches. In some embodiments, a data-less bus query may be used to update the status of a requested line.
Information query
