Inventor · Portland, OR, US

Herbert Hum

74Patents
12h-index
106Co-inventors
87Inventor score

Filing activity: Dec 5, 1997 → Jul 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6078992A Dirty line cache Physics 46 Expired
US6922756B2 Forward state for use in cache coherency in a multiprocessor system Physics 32 Expired
US6798364B2 Method and apparatus for variable length coding Electricity 29 Expired
US8615647B2 Migrating execution of thread between cores of different instruction set architecture in multi-core processor and transitioning each core to respective on / off power state Emerging Cross-Sectional Technologies 25 Active
US7257693B2 Multi-processor computing system that employs compressed cache lines' worth of information and processor capable of use in said system Physics 20 Expired
US6922745B2 Method and apparatus for handling locks Physics 19 Expired
US6594730B1 Prefetch system for memory controller Physics 19 Expired
US6954829B2 Non-speculative distributed conflict resolution for a cache coherency protocol Physics 17 Expired
US7360033B2 Hierarchical virtual model of a cache hierarchy in a multiprocessor system Physics 16 Active
US6675282B2 System and method for employing a global bit for page sharing in a linear-addressed cache Physics 16 Expired
US7095342B1 Compressing microcode Electricity 15 Expired
US6643743B1 Stream-down prefetching cache Physics 15 Expired
US7269698B2 Hierarchical virtual model of a cache hierarchy in a multiprocessor system Physics 12 Expired
US7512750B2 Processor and memory controller capable of use in computing system that employs compressed cache lines' worth of information Physics 12 Expired
US9626321B2 High performance interconnect Emerging Cross-Sectional Technologies 12 Active
US7434006B2 Non-speculative distributed conflict resolution for a cache coherency protocol Physics 12 Active
US7996572B2 Multi-node chipset lock flow with peer-to-peer non-posted I/O requests Physics 11 Active
US9829965B2 Distribution of tasks among asymmetric processing elements Emerging Cross-Sectional Technologies 10 Active
US8392665B2 Allocation and write policy for a glueless area-efficient directory cache for hotly contested cache lines Physics 9 Active
US7080209B2 Method and apparatus for processing a load-lock instruction using a relaxed lock protocol Physics 8 Expired
US7111128B2 Hierarchical virtual model of a cache hierarchy in a multiprocessor system Physics 8 Expired
US7130969B2 Hierarchical directories for cache coherency in a multiprocessor system Physics 8 Expired
US8789031B2 Software constructed strands for execution on a multi-core architecture Physics 8 Active
US7958336B2 System and method for reservation station load dependency matrix Physics 8 Active
US6954822B2 Techniques to map cache data to memory arrays Physics 8 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.