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Class Information
Number: 711/145
Name: Electrical computers and digital processing systems: memory > Storage accessing and control > Hierarchical memories > Caching > Coherency > Access control bit
Description: Subject matter wherein each unit or block of memory


Patents under this class:
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Patent Number Title Of Patent Date Issued
7613884 Multiprocessor system and method ensuring coherency between a main memory and a cache memory Nov. 3, 2009
7610448 Obscuring memory access patterns Oct. 27, 2009
7606978 Multi-node computer system implementing global access state dependent transactions Oct. 20, 2009
7606981 System and method for reducing store latency Oct. 20, 2009
7596665 Mechanism for a processor to use locking cache as part of system memory Sep. 29, 2009
7584329 Data processing system and method for efficient communication utilizing an Ig coherency state Sep. 1, 2009
7584331 Data processing system and method for selectively updating an invalid coherency state in response to snooping a castout Sep. 1, 2009
7581065 Low locality-of-reference support in a multi-level cache hierachy Aug. 25, 2009
7577802 Accessing a reservable device by transiently clearing a persistent reservation on the device in multi-host system Aug. 18, 2009
7577015 Memory content inverting to minimize NTBI effects Aug. 18, 2009
7568073 Mechanisms and methods of cache coherence in network-based multiprocessor systems with ring-based snoop response collection Jul. 28, 2009
7558910 Detecting access to a memory location in a multithreaded environment Jul. 7, 2009
7555597 Direct cache access in multiple core processors Jun. 30, 2009
7546422 Method and apparatus for the synchronization of distributed caches Jun. 9, 2009
7543115 Two-hop source snoop based cache coherence protocol Jun. 2, 2009
7523260 Propagating data using mirrored lock caches Apr. 21, 2009
7523267 Method for ensuring fairness among requests within a multi-node computer system Apr. 21, 2009
7519791 Address conversion technique in a context switching environment Apr. 14, 2009
7512741 Two-hop source snoop based messaging protocol Mar. 31, 2009
7509461 Method and apparatus for intelligent buffer cache pre-emption Mar. 24, 2009
7506107 Shared memory multiprocessor system Mar. 17, 2009
7502895 Techniques for reducing castouts in a snoop filter Mar. 10, 2009
7500068 Method and system for managing memory in a multiprocessor system Mar. 3, 2009
7500064 Data coherence system Mar. 3, 2009
7496715 Programmable cache management system and method Feb. 24, 2009
7496726 Controlling contention via transactional timers among conflicting transactions issued by processors operating in insistent or polite mode Feb. 24, 2009
7496966 Method and apparatus for controlling operation of a secure execution mode-capable processor in system management mode Feb. 24, 2009
7493453 System, method and storage medium for prefetching via memory block tags Feb. 17, 2009
7487295 Memory control device and move-in buffer control method Feb. 3, 2009
7484045 Store performance in strongly-ordered microprocessor architecture Jan. 27, 2009
7484044 Method and apparatus for joint cache coherency states in multi-interface caches Jan. 27, 2009
7484042 Data processing system and method for predictively selecting a scope of a prefetch operation Jan. 27, 2009
7480778 Method and system for managing point-in-time images Jan. 20, 2009
7475190 Direct access of cache lock set data without backing memory Jan. 6, 2009
7472229 Bus controller initiated write-through mechanism Dec. 30, 2008
7472302 Method and apparatus for reducing leakage power in a cache memory using adaptive time-based decay Dec. 30, 2008
7467280 Method for reconfiguring cache memory based on at least analysis of heat generated during runtime, at least by associating an access bit with a cache line and associating a granularity bit wit Dec. 16, 2008
7454577 Data processing system and method for efficient communication utilizing an Tn and Ten coherency states Nov. 18, 2008
7437513 Cache memory with the number of operated ways being changed according to access pattern Oct. 14, 2008
7428615 System and method for maintaining coherency and tracking validity in a cache hierarchy Sep. 23, 2008
7426627 Selective address translation for a resource such as a hardware device Sep. 16, 2008
7418555 Multiprocessor system and method to maintain cache coherence Aug. 26, 2008
7415556 Exclusion control Aug. 19, 2008
7395380 Selective snooping by snoop masters to locate updated data Jul. 1, 2008
7389389 System and method for limited fanout daisy chaining of cache invalidation requests in a shared-memory multiprocessor system Jun. 17, 2008
7389388 Data processing system and method for efficient communication utilizing an in coherency state Jun. 17, 2008
7389383 Selectively unmarking load-marked cache lines during transactional program execution Jun. 17, 2008
7389379 Selective disk offlining Jun. 17, 2008
7386680 Apparatus and method of controlling data sharing on a shared memory computer system Jun. 10, 2008
7386679 System, method and storage medium for memory management Jun. 10, 2008

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