Inventor
DRERUP BERNARD CHARLES
US39 patents
⚠️ This page may combine multiple inventors who share the name “DRERUP BERNARD CHARLES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
34 patentsUS5740364AApr 14, 1998
System and method for controlling data transfer between multiple interconnected computer systems with a portable input device
IBM69 citations96
US5898885AApr 27, 1999
Method and system for executing a non-native stack-based instruction within a computer system
IBM93 citations95
US5875336AFeb 23, 1999
Method and system for translating a non-native bytecode to a set of codes native to a processor within a computer system
IBM89 citations94
US7647435B2Jan 12, 2010
Data communication method and apparatus utilizing credit-based data transfer protocol and credit loss detection mechanism
IBM20 citations92
US7136954B2Nov 14, 2006
Data communication method and apparatus utilizing credit-based data transfer protocol and credit loss detection mechanism
IBM25 citations92
US6826656B2Nov 30, 2004
Reducing power in a snooping cache based multiprocessor environment
IBM35 citations92
US5898850AApr 27, 1999
Method and system for executing a non-native mode-sensitive instruction within a computer system
IBM37 citations91
US5652848AJul 29, 1997
Low latency cadence selectable interface for data transfers between busses of differing frequencies
IBM35 citations86
US7882278B2Feb 1, 2011
Utilizing programmable channels for allocation of buffer space and transaction control in data communications
IBM10 citations84
US7669013B2Feb 23, 2010
Directory for multi-node coherent bus
IBM9 citations84
US7493426B2Feb 17, 2009
Data communication method and apparatus utilizing programmable channels for allocation of buffer space and transaction control
IBM10 citations84
US7249207B2Jul 24, 2007
Internal data bus interconnection mechanism utilizing central interconnection module converting data in different alignment domains
IBM14 citations84
US7035958B2Apr 25, 2006
Re-ordering a first request within a FIFO request queue to a different queue position when the first request receives a retry response from the target
IBM15 citations84
US6834378B2Dec 21, 2004
System on a chip bus with automatic pipeline stage insertion for timing closure
IBM15 citations84
US7127562B2Oct 24, 2006
Ensuring orderly forward progress in granting snoop castout requests
IBM12 citations83
US7996614B2Aug 9, 2011
Cache intervention on a separate data bus when on-chip bus has separate read and write data busses
IBM9 citations82
US7277974B2Oct 2, 2007
Data communication method and apparatus utilizing credit-based data transfer protocol and credit loss detection mechanism
IBM5 citations74
US6973520B2Dec 6, 2005
System and method for providing improved bus utilization via target directed completion
IBM8 citations73
US6907502B2Jun 14, 2005
Method for moving snoop pushes to the front of a request queue
IBM10 citations73
US7865644B2Jan 4, 2011
Method and apparatus for attaching multiple slave devices to a single bus controller interface while supporting command pipelining
IBM3 citations63
US7505405B2Mar 17, 2009
Method, apparatus, and computer program product for optimizing packet flow control through buffer status forwarding
IBM2 citations63
US7328312B2Feb 5, 2008
Method and bus prefetching mechanism for implementing enhanced buffer control
IBM2 citations63
US6807608B2Oct 19, 2004
Multiprocessor environment supporting variable-sized coherency transactions
IBM2 citations63
US7174410B2Feb 6, 2007
Method, apparatus and computer program product for write data transfer
IBM2 citations62
US6985972B2Jan 10, 2006
Dynamic cache coherency snooper presence with variable snoop latency
IBM3 citations62
US6801977B2Oct 5, 2004
Method and apparatus for passing messages through a bus-to-bus bridge while maintaining ordering
IBM5 citations62
US7526595B2Apr 28, 2009
Data path master/slave data processing device apparatus and method
IBM3 citations61
US7003064B2Feb 21, 2006
Method and apparatus for periodic phase alignment
IBM4 citations60
US6819726B2Nov 16, 2004
Dynamic phase alignment circuit
IBM4 citations60
US7725660B2May 25, 2010
Directory for multi-node coherent bus
IBM1 citations52
US7490201B2Feb 10, 2009
Method and bus prefetching mechanism for implementing enhanced buffer control
IBM0 citations52
US7296175B2Nov 13, 2007
System on a chip bus with automatic pipeline stage insertion for timing closure
IBM1 citations52
US7934042B2Apr 26, 2011
Voltage indicator signal generation system and method
IBM0 citations51
US7707347B2Apr 27, 2010
Data path master/slave data processing device apparatus
IBM0 citations51
DRERUP BERNARD CHARLES
2 patentsUS8266386B2Sep 11, 2012
Structure for maintaining memory data integrity in a processor integrated circuit using cache coherency protocols
DRERUP BERNARD CHARLES4 citations59
US8108618B2Jan 31, 2012
Method and apparatus for maintaining memory data integrity in an information handling system using cache coherency protocols
DRERUP BERNARD CHARLES0 citations38