Inventor · Austin, TX, US

Mitchell Alsup

43Patents
16h-index
37Co-inventors
81Inventor score

Filing activity: Nov 1, 1988 → Jul 22, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5355457A Data processor for performing simultaneous instruction retirement and backtracking Physics 118 Expired
US6976147B1 Stride-based prefetch mechanism using a prediction confidence value Physics 93 Expired
US5173617A Digital phase lock clock generator without local oscillator Electricity 61 Expired
US5367494A Randomly accessible memory having time overlapping memory accesses Physics 50 Expired
US7263600B2 System and method for validating a memory file that links speculative results of load operations to register values Physics 49 Expired
US4893267A Method and apparatus for a data processor to support multi-mode, multi-precision integer arithmetic Physics 40 Expired
US7003629B1 System and method of identifying liveness groups within traces stored in a trace cache Physics 35 Expired
US7613898B2 Virtualizing an IOMMU Physics 34 Active
US7315935B1 Apparatus and method for port arbitration in a register file on the basis of functional unit issue slots Physics 29 Expired
US7548999B2 Chained hybrid input/output memory management unit Physics 27 Active
US7133969B2 System and method for handling exceptional instructions in a trace cache based processor Physics 27 Expired
US7133975B1 Cache memory system including a cache memory employing a tag including associated touch bits Physics 26 Expired
US5694564A Data processing system a method for performing register renaming having back-up capability Physics 25 Expired
US6950925B1 Scheduler for use in a microprocessor that supports data-speculative execution Physics 23 Expired
US7809923B2 Direct memory access (DMA) address translation in an input/output memory management unit (IOMMU) Physics 20 Active
US7552290B2 Method for maintaining atomicity of instruction sequence to access a number of cache lines during proactive synchronization within a computer system Physics 18 Active
US7197630B1 Method and system for changing the executable status of an operation following a branch misprediction without refetching the operation Physics 16 Expired
US7653803B2 Address translation for input/output (I/O) devices and interrupt remapping for I/O devices in an I/O memory management unit (IOMMU) Physics 10 Active
US7073026B2 Microprocessor including cache memory supporting multiple accesses per cycle Physics 9 Expired
US7882330B2 Virtualizing an IOMMU Physics 9 Active
US7543131B2 Controlling an I/O MMU Physics 9 Active
US7043626B1 Retaining flag value associated with dead result data in freed rename physical register with an indicator to select set-aside register instead for renaming Physics 8 Expired
US7480784B2 Ensuring deadlock free operation for peer to peer traffic in an input/output memory management unit (IOMMU) Physics 7 Active
US7636819B2 Method for proactive synchronization within a computer system Physics 7 Active
US7069411B1 Mapper circuit with backup capability Physics 7 Expired

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