Inventor
KAUSHIKKAR HARSHAVARDHAN
US43 patents
Patents
43 patentsUS11544193B2Jan 3, 2023
Scalable cache coherency protocol
APPLE INC8 citations85
US10417146B1Sep 17, 2019
Real-time resource handling in resource retry queue
APPLE INC7 citations83
US11693585B2Jul 4, 2023
Address hashing in a multiple memory controller system
APPLE INC2 citations73
US11675722B2Jun 13, 2023
Multiple independent on-chip interconnect
APPLE INC5 citations73
US9280471B2Mar 8, 2016
Mechanism for sharing private caches in a SoC
APPLE INC3 citations73
US8904073B2Dec 2, 2014
Coherence processing with error checking
APPLE INC5 citations73
US11803471B2Oct 31, 2023
Scalable system on a chip
APPLE INC1 citations71
US10169235B2Jan 1, 2019
Methods of overriding a resource retry
APPLE INC4 citations71
US11016913B1May 25, 2021
Inter cluster snoop latency reduction
APPLE INC4 citations70
US9860841B2Jan 2, 2018
Communications fabric with split paths for control and data packets
APPLE INC2 citations69
US9317102B2Apr 19, 2016
Power control for cache structures
APPLE INC5 citations69
US9158691B2Oct 13, 2015
Cross dependency checking logic
APPLE INC2 citations63
US12332792B2Jun 17, 2025
Scalable cache coherency protocol
APPLE INC0 citations62
US11947457B2Apr 2, 2024
Scalable cache coherency protocol
APPLE INC0 citations62
US11934313B2Mar 19, 2024
Scalable system on a chip
APPLE INC0 citations62
US11868258B2Jan 9, 2024
Scalable cache coherency protocol
APPLE INC0 citations62
US12561267B2Feb 24, 2026
Multiple independent on-chip interconnect
APPLE INC0 citations61
US12007895B2Jun 11, 2024
Scalable system on a chip
APPLE INC0 citations61
US11941428B2Mar 26, 2024
Ensuring transactional ordering in I/O agent
APPLE INC0 citations61
US9524261B2Dec 20, 2016
Credit lookahead mechanism
APPLE INC2 citations61
US12399830B2Aug 26, 2025
Scalable system on a chip
APPLE INC0 citations60
US11537538B2Dec 27, 2022
Inter cluster snoop latency reduction
APPLE INC0 citations60
US11550716B2Jan 10, 2023
I/O agent
APPLE INC1 citations59
US10206175B2Feb 12, 2019
Communications fabric with split paths for control and data packets
APPLE INC1 citations58
US9021306B2Apr 28, 2015
Debug access mechanism for duplicate tag storage
APPLE INC3 citations58
US12236130B2Feb 25, 2025
Address hashing in a multiple memory controller system
APPLE INC0 citations52
US10877888B2Dec 29, 2020
Systems and methods for providing distributed global ordering
APPLE INC0 citations52
US9465740B2Oct 11, 2016
Coherence processing with pre-kill mechanism to avoid duplicated transaction identifiers
APPLE INC0 citations52
US12353913B1Jul 8, 2025
Handling eviction write operations caused by rate-limited traffic
APPLE INC0 citations51
US11824795B2Nov 21, 2023
Communication channels with both shared and independent resources
APPLE INC0 citations51
US11275616B2Mar 15, 2022
Resource access management
APPLE INC0 citations51
US11138111B2Oct 5, 2021
Parallel coherence and memory cache processing pipelines
APPLE INC0 citations51
US11030102B2Jun 8, 2021
Reducing memory cache control command hops on a fabric
APPLE INC0 citations51
US10678691B2Jun 9, 2020
Coherence flows for dual-processing pipelines
APPLE INC0 citations51
US10642740B2May 5, 2020
Methods for performing a memory resource retry
APPLE INC0 citations51
US9990294B2Jun 5, 2018
Methods for performing a memory resource retry
APPLE INC1 citations51
US11755489B2Sep 12, 2023
Configurable interface circuit
APPLE INC0 citations50
US12039169B2Jul 16, 2024
Bandwidth-aware fabric traffic shaping
APPLE INC0 citations44
US9201791B2Dec 1, 2015
Flow-ID dependency checking logic
APPLE INC0 citations42
US10802968B2Oct 13, 2020
Processor to memory with coherency bypass
APPLE INC0 citations41
US10795818B1Oct 6, 2020
Method and apparatus for ensuring real-time snoop latency
APPLE INC0 citations41
US9454482B2Sep 27, 2016
Duplicate tag structure employing single-port tag RAM and dual-port state RAM
APPLE INC0 citations36
US10298511B2May 21, 2019
Communication queue management system
APPLE INC0 citations35