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Class Information
Number: 711/160
Name: Electrical computers and digital processing systems: memory > Storage accessing and control > Control technique > Entry replacement strategy > Least recently used (lru)
Description: Subject matter wherein the determination is made based upon the time since the last access to the contents of a given location.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8711164 Memory controller including a hardware compression and decompression engine for managing system memory and graphical operations Apr. 29, 2014
8677060 Isolation switching for backup of registered memory Mar. 18, 2014
8671243 Isolation switching for backup memory Mar. 11, 2014
8645626 Hard disk drive with attached solid state drive cache Feb. 4, 2014
8627039 Effective memory clustering to minimize page fault and optimize memory utilization Jan. 7, 2014
8595745 Job-process swapping between multiple storage devices based on the most recently executed type of a process and historical execution count among plural types of processes Nov. 26, 2013
8583972 Method of controlling a semiconductor storage device Nov. 12, 2013
8578373 Techniques for improving performance of a shared storage by identifying transferrable memory structure and reducing the need for performing storage input/output calls Nov. 5, 2013
8560765 Systems and methods for variable level use of a multi-level flash memory Oct. 15, 2013
8543791 Apparatus and method of reducing page fault rate in virtual memory system Sep. 24, 2013
8516187 Data transfer scheme for non-volatile memory module Aug. 20, 2013
8516149 System for operating NFSv2 and NFSv3 clients with federated namespace Aug. 20, 2013
8495275 List structure control circuit Jul. 23, 2013
8484405 Memory compression policies Jul. 9, 2013
8478942 Method and apparatus for reducing processor cache pollution caused by aggressive prefetching Jul. 2, 2013
8468536 Multiple level linked LRU priority Jun. 18, 2013
8458416 Systems and methods for selecting bit per cell density of a memory cell based on data typing Jun. 4, 2013
8438334 Hybrid storage subsystem with mixed placement of file contents May. 7, 2013
8417903 Preselect list using hidden pages Apr. 9, 2013
8386708 Method for coupling sub-LUN load measuring metadata size to storage tier utilization in dynamic storage tiering Feb. 26, 2013
8375178 Memory page eviction based on present system operation Feb. 12, 2013
8370597 Data migration between multiple tiers in a storage system using age and frequency statistics Feb. 5, 2013
8364915 Method, apparatus and system for generating access information from an LRU tracking list Jan. 29, 2013
8341371 Method of managing copy operations in flash memories Dec. 25, 2012
8341350 Analyzing sub-LUN granularity for dynamic storage tiering Dec. 25, 2012
8316204 Using versioned pointers to facilitate reusing memory with a reduced need to reclaim objects through garbage collection Nov. 20, 2012
8301733 Dynamic chunking for delivery instances Oct. 30, 2012
8301833 Non-volatile memory module Oct. 30, 2012
8281087 Method, system, and program implementing retention policies to archive records Oct. 2, 2012
8255637 Mass storage system and method of operating using consistency checkpoints and destaging Aug. 28, 2012
8244981 Combined transparent/non-transparent cache Aug. 14, 2012
8239631 System and method for replacing data in a cache Aug. 7, 2012
8219758 Block-based non-transparent cache Jul. 10, 2012
8214609 Data transference to virtual memory Jul. 3, 2012
8176288 Memory controller including a hardware compression and decompression engine for managing system memory and graphical operations May. 8, 2012
8171220 Cache architecture with distributed state bits May. 1, 2012
8145859 Method and system for spilling from a queue to a persistent store Mar. 27, 2012
8140757 Network acceleration and long-distance pattern detection using improved caching and disk mapping Mar. 20, 2012
8131683 Methods and systems for group data management and classification Mar. 6, 2012
8112589 System for caching data from a main memory with a plurality of cache states Feb. 7, 2012
8078826 Effective memory clustering to minimize page fault and optimize memory utilization Dec. 13, 2011
8065497 Data management method, and storage apparatus and controller thereof Nov. 22, 2011
8065496 Method for updating information used for selecting candidate in LRU control Nov. 22, 2011
8060689 Method for manipulating state machine storage in a small memory space Nov. 15, 2011
8060797 Semiconductor storage device Nov. 15, 2011
8051267 Using versioned pointers to facilitate reusing memory with a reduced need to reclaim objects through garbage collection Nov. 1, 2011
7996366 Method and system for identifying stale directories Aug. 9, 2011
7984243 Cache memory and method for cache entry replacement based on modified access order Jul. 19, 2011
7970985 Adaptive deterministic grouping of blocks into multi-block units Jun. 28, 2011
7970989 Write ordering on disk cached platforms Jun. 28, 2011

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