Method and structure for data integrity in a multiple level cach

Details Method and structure for data integrity in a multiple level cach Method and structure for data integrity in a multiple level cach

1995-04-21

1996-12-31

Rudolph, Rebecca L.

395445, 395466, G06F 1200

Patent

active

055903100

ABSTRACT:
A structure and a method provide data integrity for a multiprocessor system having a cache memory and a snoop tag cache. In one embodiment, the snoop tag cache copies the tags of a primary cache. Whenever a write operation occurs, the snoop tag cache is accessed to determine if the accessed tag matches a predetermined portion of the address of the memory location on which the write operation is performed. If so, a signal is sent to the CPU associated with the primary cache so that the corresponding entries in the primary cache and the snoop tag cache can be invalidated.

REFERENCES:
patent: 5222224 (1993-06-01), Flynn et al.
patent: 5226146 (1993-07-01), Milia et al.
patent: 5249282 (1993-09-01), Segers
patent: 5276849 (1994-01-01), Patel
patent: 5276851 (1994-01-01), Thacker et al.
patent: 5307477 (1994-04-01), Taylor et al.
patent: 5313605 (1994-05-01), Huck et al.
patent: 5319766 (1994-06-01), Thaller et al.
patent: 5327570 (1994-07-01), Foster et al.
patent: 5418928 (1995-05-01), Yarkoni et al.

Affiliated with

Also associated with

Rating

Method and structure for data integrity in a multiple level cach does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and structure for data integrity in a multiple level cach, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and structure for data integrity in a multiple level cach will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1149443