Inventor · Yorktown Heights, NY, US

Peter Markstein

24Patents
18h-index
26Co-inventors
81Inventor score

Filing activity: Dec 30, 1976 → Feb 12, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4569016A Mechanism for implementing one machine cycle executable mask and rotate instructions in a primitive instruction set computing system Physics 148 Expired
US4104721A Hierarchical security mechanism for dynamically assigning security levels to object programs Physics 142 Expired
US6151669A Methods and apparatus for efficient control of floating-point status register Physics 101 Expired
US5515308A Floating point arithmetic unit using modified Newton-Raphson technique for division and square root Physics 55 Expired
US5631859A Floating point arithmetic unit having logic for quad precision arithmetic Physics 55 Expired
US5249149A Method and apparatus for performining floating point division Physics 55 Expired
US4589087A Condition register architecture for a primitive instruction set machine Physics 46 Expired
US4589065A Mechanism for implementing one machine cycle executable trap instructions in a primitive instruction set computing system Physics 42 Expired
US5341321A Floating point arithmetic unit using modified Newton-Raphson technique for division and square root Physics 42 Expired
US4656582A Generating storage reference instructions in an optimizing compiler Physics 42 Expired
US6301705A System and method for deferring exceptions generated during speculative execution Physics 41 Expired
US4802091A Method for improving the efficiency of arithmetic code generation in an optimizing compiler using the technique of reassociation Physics 38 Expired
US5193190A Partitioning optimizations in an optimizing compiler Physics 35 Expired
US4656583A Method for improving global common subexpression elimination and code motion in an optimizing compiler Physics 35 Expired
US5671170A Method and apparatus for correctly rounding results of division and square root computations Physics 34 Expired
US4642764A Method of developing formal identities and program bases in an optimizing compiler Physics 32 Expired
US5287510A Method for improving the efficiency of arithmetic code generation in an optimizing compiler using machine independent update instruction generation Physics 27 Expired
US4642765A Optimization of range checking Physics 18 Expired
US6578059B1 Methods and apparatus for controlling exponent range in floating-point calculations Physics 16 Expired
US6370639B1 Processor architecture having two or more floating-point status fields Physics 14 Expired
US6212539A Methods and apparatus for handling and storing bi-endian words in a floating-point processor Physics 8 Expired
US7065757B2 Efficient compilation of family of related functions Physics 1 Expired
US7065758B2 Optimize code for a family of related functions Physics 0 Expired
US7155471B2 Method and system for determining the correct rounding of a function Physics 0 Expired

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