SiFive, Inc.

United States of America


Create a watch for SiFive, Inc.
Total IP 199
Total IP Rank # 6,648
IP Activity Score 3.2/5.0    253
IP Activity Rank # 2,752
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

140 5
0 1
49 3
1
 
Last Patent 2025 - Integrated circuit design with p...
First Patent 2018 - Macro-op fusion
Last Trademark 2023 - SIFIVE
First Trademark 2016 - SIFIVE

Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Logging guest physical address for memory access faults. Systems and methods are disclosed for l...
Invention Transfer buffer between a scalar pipeline and vector pipeline. Systems and methods are disclosed...
Invention Using renamed registers to support multiple vset{i}vl{i} instructions. A method for renaming arc...
Invention Bundling and dynamic allocation of register blocks for vector instructions. Apparatus and method...
Invention Tracking of store operations. Apparatus and methods for tracking sub-micro-operations and groups...
Invention Concurrent support for multiple cache inclusivity schemes using low priority evict operations. S...
Invention Dependency tracking and chaining for vector instructions. Apparatus and methods for dependency t...
Invention Eviction operations based on eviction message types of different priorities. An agent may be con...
Invention Memory protection for gather-scatter operations. Systems and methods are disclosed for memory pr...
Invention Orderability of operations. A method for managing orders of operations between one or more clien...
Invention Address boundary functions for physical and localized addresses. An integrated circuit for trans...
Invention Canceling prefetch of cache blocks based on an address and a bit field. Prefetch circuitry may b...
2024 Invention Downgrading a permission associated with data stored in a cache. Cache circuitry may be configur...
Invention Integrated circuit design using metadata. An integrated circuit design may be generated for an i...
Invention Integrated circuit design verification with module swapping. An integrated circuit design may be...
Invention Selectable and hierarchical power management. Described are systems and methods for power manage...
Invention Combining data channels to determine camera pose. A system can include a memory and a processing ...
Invention Prefetcher with out-of-order filtered prefetcher training queue. Described is a system and metho...
Invention Cycle accurate tracing of vector instructions. Systems and methods are disclosed for cycle accur...
Invention Page table entry caches with multiple tag lengths. Systems and methods are disclosed for page ta...
Invention Integrated circuit generation with improved interconnect. Disclosed are systems and methods that...
Invention Configuring a prefetcher associated with a processor core. Disclosed are systems and methods for...
Invention Integrated circuit generation with composable interconnect. Disclosed are systems and methods th...
Invention Store-to-load forwarding for processor pipelines. Systems and methods are disclosed for store-to...
Invention Systems and methods for clock gating. Described are systems and methods for clock gating componen...
Invention Hybrid fixed-point and floating-point computations for improved neural network accuracy. Systems...
Invention Window-based control for instruction issue in an out-of-order processor. A window-based constrain...
Invention Quad narrowing operation. Systems and methods are disclosed for implementing a quad narrowing op...
Invention Event tracing. Systems and methods are disclosed for debug event tracing. For example, an integr...
Invention Integrated circuit design with protection based on protected declaration and annotation. The pre...
Invention Macro-op fusion for pipelined architectures. Systems and methods are disclosed for macro-op fusi...
Invention Integrated circuit design verification with object model. Test verification code generation may ...
Invention Partitioning a cache for application of a replacement policy. Systems and methods are disclosed ...
2023 Invention Hardware test mode for processor core. Systems and methods are disclosed for implementing a hard...
Invention Address boundary functions for physical and localized addresses. An integrated circuit for transl...
Invention Serial wire timer distribution. Systems and methods are disclosed for serial wire timer distribu...
Invention Measuring performance associated with processing instructions. A system may include a processor ...
Invention Translation lookaside buffer probing prevention. Described are methods, logic, and circuitry whic...
Invention Processing for vector load or store micro-operation with inactive mask elements. Apparatus and me...
Invention Tracking of store operations. Apparatus and methods for tracking sub-micro-operations and groups ...
Invention Cache replacement policy state structure with extra states for prefetch and non-temporal loads. ...
Invention Determining an error handling mode. A first circuitry may have a first interface. A response circ...
Invention Bundling and dynamic allocation of register blocks for vector instructions. Apparatus and methods...
Invention Vector instruction processing after primary decode. Apparatus and methods for cracking and proce...
Invention Address range encoding in system on a chip with securely partitioned memory space. Systems and me...
G/S Semiconductor chips; integrated circuits; microprocessors; microcontrollers; printed circuit boar...
2022 Invention Nested loop optimization with vector memory instructions. A program sequence, comprising an inne...
Invention Processor crash analysis using register sampling. Systems and methods are disclosed for processo...
Invention Error management in system on a chip with securely partitioned memory space. Systems and methods...
Invention Debug in system on a chip with securely partitioned memory space. Systems and methods are disclos...
2020 G/S Semiconductor chips; integrated circuits; microprocessors; microcontrollers; printed circuit boa...
G/S Semiconductor chips; integrated circuits; microprocessors; microcontrollers; printed circuit boar...
2019 G/S Printed circuit boards; user-configurable circuit boards; semiconductor chips; integrated circuit...
G/S Printed circuit boards; user-configurable circuit boards; semiconductor chips; integrated circui...
2016 G/S Semiconductor chips; integrated circuits; microprocessors