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Class Information
Number: 711/141
Name: Electrical computers and digital processing systems: memory > Storage accessing and control > Hierarchical memories > Caching > Coherency
Description: Subject matter further comprising means or steps not specifically covered above for assuring that the data


Sub-classes under this class:

Class Number Class Name Patents
711/145 Access control bit 740
711/144 Cache status data bit 976
711/146 Snooping 718
711/143 Write-back 488
711/142 Write-through 201


Patents under this class:
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Patent Number Title Of Patent Date Issued
6721856 Enhanced cache management mechanism via an intelligent system bus monitor Apr. 13, 2004
6718442 Method and system for using high count invalidate acknowledgements in distributed shared memory systems Apr. 6, 2004
6718446 Storage media with benchmark representative of data originally stored thereon Apr. 6, 2004
6714994 Host bridge translating non-coherent packets from non-coherent link to coherent packets on conherent link and vice versa Mar. 30, 2004
6715040 Performance improvement of a write instruction of a non-inclusive hierarchical cache memory unit Mar. 30, 2004
6711650 Method and apparatus for accelerating input/output processing using cache injections Mar. 23, 2004
6711651 Method and apparatus for history-based movement of shared-data in coherent cache memories of a multiprocessor system using push prefetching Mar. 23, 2004
6711652 Non-uniform memory access (NUMA) data processing system that provides precise notification of remote deallocation of modified data Mar. 23, 2004
6708256 Memory-to-memory copy and compare/exchange instructions to support non-blocking synchronization schemes Mar. 16, 2004
6708269 Method and apparatus for multi-mode fencing in a microprocessor system Mar. 16, 2004
6704833 Atomic transfer of a block of data Mar. 9, 2004
6704841 Method and apparatus for facilitating speculative stores in a multiprocessor system Mar. 9, 2004
6704842 Multi-processor system with proactive speculative data transfer Mar. 9, 2004
6704844 Dynamic hardware and software performance optimizations for super-coherent SMP systems Mar. 9, 2004
6701416 Cache coherency protocol with tagged intervention of modified values Mar. 2, 2004
6701417 Method and apparatus for supporting multiple cache line invalidations per cycle Mar. 2, 2004
6697849 System and method for caching JavaServer Pages.TM. responses Feb. 24, 2004
6697919 System and method for limited fanout daisy chaining of cache invalidation requests in a shared-memory multiprocessor system Feb. 24, 2004
6697925 Use of a cache ownership mechanism to synchronize multiple dayclocks Feb. 24, 2004
6694409 Cache states for multiprocessor cache coherency protocols Feb. 17, 2004
6687698 Accessing and updating a configuration database from distributed physical locations within a process control system Feb. 3, 2004
6687788 Method of hierarchical caching of configuration data having dataflow processors and modules having two-or multidimensional programmable cell structure (FPGAs, DPGAs , etc.) Feb. 3, 2004
6684305 Multiprocessor system implementing virtual memory using a shared memory, and a page replacement method for maintaining paged memory coherence Jan. 27, 2004
6681283 Coherent data apparatus for an on-chip split transaction system bus Jan. 20, 2004
6681292 Distributed read and write caching implementation for optimized input/output applications Jan. 20, 2004
6681320 Causality-based memory ordering in a multiprocessing environment Jan. 20, 2004
6678798 System and method for reducing memory latency during read requests Jan. 13, 2004
6678799 Aggregation of cache-updates in a multi-processor, shared-memory system Jan. 13, 2004
6678800 Cache apparatus and control method having writable modified state Jan. 13, 2004
6678809 Write-ahead log in directory management for concurrent I/O access for block storage Jan. 13, 2004
6675262 Multi-processor computer system with cache-flushing system using memory recall Jan. 6, 2004
6675264 Method and apparatus for improving write performance in a cluster-based file system Jan. 6, 2004
6675265 Multiprocessor cache coherence system and method in which processor nodes and input/output nodes are equal participants Jan. 6, 2004
6671782 Method and apparatus for processing read requests in a shared disk system Dec. 30, 2003
6668308 Scalable architecture based on single-chip multiprocessing Dec. 23, 2003
6668309 Snoop blocking for cache coherency Dec. 23, 2003
6665783 Memory-to-memory copy and compare/exchange instructions to support non-blocking synchronization schemes Dec. 16, 2003
6662275 Efficient instruction cache coherency maintenance mechanism for scalable multiprocessor computer system with store-through data cache Dec. 9, 2003
6662277 Cache system with groups of lines and with coherency for both single lines and groups of lines Dec. 9, 2003
6658536 Cache-coherency protocol with recently read state for extending cache horizontally Dec. 2, 2003
6658537 DMA driven processor cache Dec. 2, 2003
6658538 Non-uniform memory access (NUMA) data processing system having a page table including node-specific data storage and coherency control Dec. 2, 2003
6658539 Super-coherent data mechanisms for shared caches in a multiprocessing system Dec. 2, 2003
6654857 Non-uniform memory access (NUMA) computer system having distributed global coherency management Nov. 25, 2003
6651088 Method for reducing coherent misses in shared-memory multiprocessors utilizing lock-binding prefetchs Nov. 18, 2003
6651115 DMA controller and coherency-tracking unit for efficient data transfers between coherent and non-coherent memory spaces Nov. 18, 2003
6651145 Method and apparatus for scalable disambiguated coherence in shared storage hierarchies Nov. 18, 2003
6651157 Multi-processor system and method of accessing data therein Nov. 18, 2003
6647453 System and method for providing forward progress and avoiding starvation and livelock in a multiprocessor computer system Nov. 11, 2003
6647464 System and method utilizing speculative cache access for improved performance Nov. 11, 2003

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