Inventor

LANGSTON KEITH N

US10 patents

⚠️ This page may combine multiple inventors who share the name “LANGSTON KEITH N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

5 patents

US7577795B2Aug 18, 2009

Disowning cache entries on aging out of the entry

IBM17 citations92

US4142234AFeb 27, 1979

Bias filter memory for filtering out unnecessary interrogations of cache directories in a multiprocessor system

IBM66 citations92

US7475193B2Jan 6, 2009

Separate data and coherency cache directories in a shared cache in a multiprocessor system

IBM9 citations82

US5584002ADec 10, 1996

Cache remapping using synonym classes

IBM16 citations73

US5410663AApr 25, 1995

Method and system for cache memory congruence class management in a data processing system

IBM9 citations72

EMMA PHILIP G

2 patents

US8131982B2Mar 6, 2012

Branch prediction instructions having mask values involving unloading and loading branch history data

EMMA PHILIP G12 citations83

US10338923B2Jul 2, 2019

Branch prediction path wrong guess instruction

EMMA PHILIP G0 citations41

HUTTON DAVID S

2 patents

US8131945B2Mar 6, 2012

Disowning cache entries on aging out of the entry

HUTTON DAVID S3 citations60

US8566529B2Oct 22, 2013

Method, system and computer program product for generalized LRU in cache and memory performance analysis and modeling

HUTTON DAVID S2 citations59

LANGSTON KEITH N

1 patent

US8131936B2Mar 6, 2012

Method and apparatus for implementing a combined data/coherency cache

LANGSTON KEITH N0 citations33