The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2017
Filed:
Jun. 19, 2015
Applicant:
Bull Sas, Les Clayes-sous-Bois, FR;
Inventor:
Thibaut Palfer-Sollier, Montrouge, FR;
Assignee:
BULL SAS, Les Clayes-sous-Bois, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/0817 (2016.01); G06F 12/0842 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0824 (2013.01); G06F 12/082 (2013.01); G06F 12/0842 (2013.01); G06F 2212/603 (2013.01); G06F 2212/622 (2013.01);
Abstract
A module of cache coherence management by directory, in which each datum stored in cache memory is associated with a state, at least one of which indicates data sharing among a plurality of processors, the module including a storage unit to store a directory containing a list of cache memory addresses, each address possibly associated with a state corresponding to the state of the datum available at this address, and a processing unit configured to update said list, said processing unit being configured so as not to list the address lines related to data associated with the first state.