Invention Grant
US08639889B2 Address-based hazard resolution for managing read/write operations in a memory cache
失效
用于管理内存缓存中的读/写操作的基于地址的危险解决方案
- Patent Title: Address-based hazard resolution for managing read/write operations in a memory cache
- Patent Title (中): 用于管理内存缓存中的读/写操作的基于地址的危险解决方案
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Application No.: US13017250Application Date: 2011-01-31
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Publication No.: US08639889B2Publication Date: 2014-01-28
- Inventor: Jason A. Cox , Robert J. Dorsey , Kevin C K Lin , Eric F. Robinson
- Applicant: Jason A. Cox , Robert J. Dorsey , Kevin C K Lin , Eric F. Robinson
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent H. Daniel Schnurmann; Jeffrey L. Streets
- Main IPC: G06F12/00
- IPC: G06F12/00

Abstract:
One embodiment provides a cached memory system including a memory cache and a plurality of read-claim (RC) machines configured for performing read and write operations dispatched from a processor. According to control logic provided with the cached memory system, a hazard is detected between first and second read or write operations being handled by first and second RC machines. The second RC machine is suspended and a subset of the address bits of the second operation at specific bit positions are recorded. The subset of address bits of the first operation at the specific bit positions are broadcast in response to the first operation being completed. The second operation is then re-requested.
Public/Granted literature
- US20120198178A1 ADDRESS-BASED HAZARD RESOLUTION FOR MANAGING READ/WRITE OPERATIONS IN A MEMORY CACHE Public/Granted day:2012-08-02
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