Patents by Inventor Joydeep Ray

Joydeep Ray has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dual path sequential element to reduce toggles in data path
    Patent number: 10459509
    Abstract: Methods and apparatus relating to techniques for a dual path sequential element to reduce toggles in data path are described. In an embodiment, switching logic causes signals for a single data path of a processor to be directed to at least two separate data paths. At least one of the two separate data paths is power gated to reduce signal toggles in the at least one data path. Other embodiments are also disclosed and claimed.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: October 29, 2019
    Assignee: Intel Corporation
    Inventors: Subramaniam Maiyuran, Sanjeev S. Jahagirdar, Kiran C. Veernapu, Eric J. Asperheim, Altug Koker, Balaji Vembu, Joydeep Ray, Abhishek R. Appu
  • Compute cluster preemption within a general-purpose graphics processing unit
    Patent number: 10460417
    Abstract: Embodiments described herein provide techniques enable a compute unit to continue processing operations when all dispatched threads are blocked. One embodiment provides for an apparatus comprising a thread dispatcher to dispatch a thread for execution; a compute unit having a single instruction, multiple thread architecture, the compute unit to execute multiple concurrent threads; and a memory coupled with the compute unit, the memory to store thread state for a suspended thread, wherein the compute unit is to: detect that all threads on the compute unit are blocked from execution, select a victim thread from the multiple concurrent threads, suspend the victim thread, store thread state of the victim thread to the memory, and replace the victim thread with an additional thread to be executed.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: October 29, 2019
    Assignee: Intel Corporation
    Inventors: Murali Ramadoss, Balaji Vembu, Eric C. Samson, Kun Tian, David J. Cowperthwaite, Altug Koker, Zhi Wang, Joydeep Ray, Subramaniam M. Maiyuran, Abhishek R. Appu
  • Fabric-based compression/decompression for internal data transfer
    Patent number: 10460476
    Abstract: A mechanism is described for facilitating fabric-based compression and/or decompression of data at computing devices. A method of embodiments, as described herein, includes compressing contents of a data stream traveling through an internal fabric between a source component and a destination component, wherein the contents are compressed on the internal fabric.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 29, 2019
    Assignee: INTEL CORPORATION
    Inventors: Altug Koker, Vasanth Ranganathan, Joydeep Ray, Abhishek R. Appu
  • Contextual configuration adjuster for graphics
    Patent number: 10460415
    Abstract: An embodiment of a graphics apparatus may include a context engine to determine contextual information, a recommendation engine communicatively coupled to the context engine to determine a recommendation based on the contextual information, and a configuration engine communicatively coupled to the recommendation engine to adjust a configuration of a graphics operation based on the recommendation. Other embodiments are disclosed and claimed.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: October 29, 2019
    Assignee: Intel Corporation
    Inventors: Joydeep Ray, Ankur N. Shah, Abhishek R. Appu, Deepak S. Vembar, ElMoustapha Ould-Ahmed-Vall, Atsuo Kuwahara, Travis T. Schluessler, Linda L. Hurd, Josh B. Mastronarde, Vasanth Ranganathan
  • Avoid thread switching in cache management
    Patent number: 10452586
    Abstract: Methods and apparatus relating to techniques for avoiding cache lookup for cold cache. In an example, an apparatus comprises logic, at least partially comprising hardware logic, to monitor a thread switching overhead parameter for an application executing in a processing system and in response to a determination that the thread switching overhead parameter exceeds a threshold, to activate a thread management algorithm to reduce thread switching in the processing system. Other embodiments are also disclosed and claimed.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 22, 2019
    Assignee: INTEL CORPORATION
    Inventors: Abhishek R. Appu, Altug Koker, Joydeep Ray, Kiran C Veernapu, Balaji Vembu, Vasanth Ranganathan, Prasoonkumar Surti
  • Memory-based dependency tracking and cache pre-fetch hardware for multi-resolution shading
    Patent number: 10452552
    Abstract: Systems, apparatuses and methods may provide a way to track graphics pipeline operations. More particularly, the systems, apparatuses and methods may provide a way to track operation dependencies between graphics pipeline operations for blocks of pixel samples and stall one or more of the pipeline operations based on the operation dependencies. The systems, apparatuses and methods may further provide cache pre-fetch hardware to monitor processing of blocks of pixel samples and fetch a next block of the pixel samples from the memory into a cache before completion of processing a current block of pixel samples based on one or more of the pipeline operations or a surface state of one or more regions of a screen space.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 22, 2019
    Assignee: Intel Corporation
    Inventors: Andrew T. Lauritzen, Gabor Liktor, Tomer Bar-On, Hugues Labbe, John G. Gierach, Joydeep Ray, Travis T. Schluessler, John H. Feit, Nikos Kaburlasos, Jacek Kwiatkowski, Abhishek R. Appu, Balaji Vembu, Altug Koker
  • Efficient multi-context thread distribution
    Patent number: 10452397
    Abstract: Methods and apparatus relating to techniques for avoiding cache lookup for cold cache. In an example, an apparatus comprises logic, at least partially comprising hardware logic, to determine a first number of threads to be scheduled for each context of a plurality of contexts in a multi-context processing system, allocate a second number of streaming multiprocessors (SMs) to the respective plurality of contexts, and dispatch threads from the plurality of contexts only to the streaming multiprocessor(s) allocated to the respective plurality of contexts. Other embodiments are also disclosed and claimed.
    Type: Grant
    Filed: April 1, 2017
    Date of Patent: October 22, 2019
    Assignee: INTEL CORPORATION
    Inventors: Joydeep Ray, Altug Koker, Balaji Vembu, Abhishek R. Appu, Kamal Sinha, Prasoonkumar Surti, Kiran C. Veernapu
  • Register spill/fill using shared local memory space
    Patent number: 10453427
    Abstract: A mechanism is described for facilitating using of a shared local memory for register spilling/filling relating to graphics processors at computing devices. A method of embodiments, as described herein, includes reserving one or more spaces of a shared local memory (SLM) to perform one or more of spilling and filling relating to registers associated with a graphics processor of a computing device.
    Type: Grant
    Filed: April 1, 2017
    Date of Patent: October 22, 2019
    Assignee: INTEL CORPORATION
    Inventors: Joydeep Ray, Altug Koker, Balaji Vembu, Murali Ramadoss, Guei-Yuan Lueh, James A. Valerio, Prasoonkumar Surti, Abhishek R. Appu, Vasanth Ranganathan, Kalyan Bhairavabhatla, Arthur D. Hunter, Jr., Wei-Yu Chen, Subramaniam M. Maiyuran
  • GRAPHICS SCHEDULING MECHANISM
    Publication number: 20190317771
    Abstract: An apparatus to facilitate thread scheduling is disclosed. The apparatus includes logic to store barrier usage data based on a magnitude of barrier messages in an application kernel and a scheduler to schedule execution of threads across a plurality of multiprocessors based on the barrier usage data.
    Type: Application
    Filed: April 18, 2019
    Publication date: October 17, 2019
    Applicant: Intel Corporation
    Inventors: Balaji Vembu, Abhishek R. Appu, Joydeep Ray, Altug Koker
  • AUTONOMOUS VEHICLE ADVANCED SENSING AND RESPONSE
    Publication number: 20190318550
    Abstract: One embodiment provides for a computing device within an autonomous vehicle, the compute device comprising a wireless network device to enable a wireless data connection with an autonomous vehicle network, a set of multiple processors including a general-purpose processor and a general-purpose graphics processor, the set of multiple processors to execute a compute manager to manage execution of compute workloads associated with the autonomous vehicle, the compute workload associated with autonomous operations of the autonomous vehicle, and offload logic configured to execute on the set of multiple processors, the offload logic to determine to offload one or more of the compute workloads to one or more autonomous vehicles within range of the wireless network device.
    Type: Application
    Filed: April 15, 2019
    Publication date: October 17, 2019
    Applicant: Intel Corporation
    Inventors: BARATH LAKSHAMANAN, LINDA l. HURD, BEN J. ASHBAUGH, ELMOUSTAPHA OULD-AHMED-VALL, LIWEI MA, JINGYI JIN, JUSTIN E. GOTTSCHLICH, CHANDRASEKARAN SAKTHIVEL, MICHAEL S. STRICKLAND, BRIAN T. LEWIS, LINDSEY KUPER, ALTUG KOKER, ABHISHEK R. APPU, PRASOONKUMAR SURTI, JOYDEEP RAY, BALAJI VEMBU, JAVIER S. TUREK, NAILA FAROOQUI
  • INDEPENDENT AND SEPARATE ENTITY-BASED CACHE
    Publication number: 20190317899
    Abstract: A mechanism is described for facilitating independent and separate entity-based graphics cache at computing devices. A method of embodiments, as described herein, includes facilitate hosting of a plurality of cache at a plurality of entities associated with a graphics processor, wherein each entity hosts at least one cache, and wherein an entity includes a dual sub-slice (DSS) or a streaming multiprocessor (SM).
    Type: Application
    Filed: April 25, 2019
    Publication date: October 17, 2019
    Applicant: Intel Corporation
    Inventors: Altug Koker, Joydeep Ray, James A. Valerio, Abhishek R. Appu, Vasanth Ranganathan
  • APPARATUS AND METHOD FOR MANAGING DATA BIAS IN A GRAPHICS PROCESSING ARCHITECTURE
    Publication number: 20190318446
    Abstract: An apparatus and method are described for managing data which is biased towards a processor or a GPU. For example, an apparatus comprises a processor comprising one or more cores, one or more cache levels, and cache coherence controllers to maintain coherent data in the one or more cache levels; a graphics processing unit (GPU) to execute graphics instructions and process graphics data, wherein the GPU and processor cores are to share a virtual address space for accessing a system memory; a GPU memory addressable through the virtual address space shared by the processor cores and GPU; and bias management circuitry to store an indication for whether the data has a processor bias or a GPU bias, wherein if the data has a GPU bias, the data is to be accessed by the GPU without necessarily accessing the processor's cache coherence controllers.
    Type: Application
    Filed: March 26, 2019
    Publication date: October 17, 2019
    Inventors: JOYDEEP RAY, ABHISHEK R. APPU, ALTUG KOKER, BALAJI VEMBU
  • System, apparatus and method for increasing performance in a processor during a voltage ramp
    Patent number: 10444817
    Abstract: In one embodiment, a processor includes: a graphics processor to execute a workload; and a power controller coupled to the graphics processor. The power controller may include a voltage ramp circuit to receive a request for the graphics processor to operate at a first performance state having a first operating voltage and a first operating frequency and cause an output voltage of a voltage regulator to increase to the first operating voltage. The voltage ramp circuit may be configured to enable the graphics processor to execute the workload at an interim performance state having an interim operating voltage and an interim operating frequency when the output voltage reaches a minimum operating voltage. Other embodiments are described and claimed.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 15, 2019
    Assignee: Intel Corporation
    Inventors: Altug Koker, Abhishek R. Appu, Bhushan M. Borole, Wenyin Fu, Kamal Sinha, Joydeep Ray
  • Consolidation of data compression using common sectored cache for graphics streams
    Patent number: 10438569
    Abstract: A mechanism is described for facilitating consolidated compression/de-compression of graphics data streams of varying types at computing devices. A method of embodiments, as described herein, includes generating a common sector cache relating to a graphics processor. The method may further include performing a consolidated compression of multiple types of graphics data streams associated with the graphics processor using the common sector cache.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 8, 2019
    Assignee: INTEL CORPORATION
    Inventors: Abhishek R. Appu, Joydeep Ray, Prasoonkumar Surti, Altug Koker, Kiran C. Veernapu, Eric G. Liskay
  • DYNAMIC THREAD EXECUTION ARBITRATION
    Publication number: 20190304049
    Abstract: A mechanism is described for facilitating thread execution arbitration for thread scheduling relating to graphics processors at computing devices. A method of embodiments, as described herein, includes assigning priority levels to threads based on stall signals communicated from the one or more shared function units to one or more execution units of a processor including a graphics processor, and selecting a first thread to be scheduled and a second thread to be ignored based on the stall signals.
    Type: Application
    Filed: March 1, 2019
    Publication date: October 3, 2019
    Applicant: Intel Corporation
    Inventors: Joydeep Ray, Abhishek R. Appu, Subramaniam M. Maiyuran, Eric J. Hoekstra, Prasoonkumar Surti, Balaji Vembu, Altug Koker
  • COMPUTE OPTIMIZATIONS FOR LOW PRECISION MACHINE LEARNING OPERATIONS
    Publication number: 20190304053
    Abstract: Embodiments described herein provide a graphics processor that can perform a variety of mixed and multiple precision instructions and operations. One embodiment provides a streaming multiprocessor that can concurrently execute multiple thread groups, wherein the streaming multiprocessor includes a single instruction, multiple thread (SIMT) architecture and the streaming multiprocessor is to execute multiple threads for each of multiple instructions. The streaming multiprocessor can perform concurrent integer and floating-point operations and includes a mixed precision core to perform operations at multiple precisions.
    Type: Application
    Filed: June 19, 2019
    Publication date: October 3, 2019
    Applicant: Intel Corporation
    Inventors: Elmoustapha Ould-Ahmed-Vall, Sara S. Baghsorkhi, Anbang Yao, Kevin Nealis, Xiaoming Chen, Altug Koker, Abhishek R. Appu, John C. Weast, Mike B. Macpherson, Dukhwan Kim, Linda L. Hurd, Ben J. Ashbaugh, Barath Lakshmanan, Liwei Ma, Joydeep Ray, Ping T. Tang, Michael S. Strickland
  • HANDLING PIPELINE SUBMISSIONS ACROSS MANY COMPUTE UNITS
    Publication number: 20190304055
    Abstract: One embodiment provides for a general-purpose graphics processing unit multiple processing elements having a single instruction, multiple thread (SIMT) architecture, the multiple processing elements to perform hardware multithreading during execution of multiple warps of threads, wherein a warp is a group of parallel threads; a scheduler to schedule a set of sub-warps to the multiple processing elements at sub-warp granularity, wherein a sub-warp is a sub-group of parallel threads, a warp includes multiple sub-warps, and the scheduler is to schedule threads in a first sub-warp of a first warp of threads to execute concurrently with the threads in a second sub-warp of a second warp of threads; and a logic unit including hardware or firmware logic, the logic unit to group active threads for execution on the multiple processing elements.
    Type: Application
    Filed: June 20, 2019
    Publication date: October 3, 2019
    Applicant: Intel Corporation
    Inventors: Balaji Vembu, Altug Koker, Joydeep Ray
  • COMPUTE OPTIMIZATION MECHANISM
    Publication number: 20190304054
    Abstract: An apparatus to facilitate compute optimization is disclosed. The apparatus includes a mixed precision core to perform a mixed precision multi-dimensional matrix multiply and accumulate operation on 16-bit and/or 32 bit floating-point elements.
    Type: Application
    Filed: June 19, 2019
    Publication date: October 3, 2019
    Applicant: Intel Corporation
    Inventors: Abhishek R. Appu, Altug Koker, Linda L. Hurd, Dukhwan Kim, Mike B. Macpherson, John C. Weast, Feng Chen, Farshad Akhbari, Narayan Srinivasa, Nadathur Rajagopalan Satish, Joydeep Ray, Ping T. Tang, Michael S. Strickland, Xiaoming Chen, Anbang Yao, Tatiana Shpeisman
  • COARSE GRAIN COHERENCY
    Publication number: 20190304052
    Abstract: One embodiment provides for a general-purpose graphics processing device comprising a general-purpose graphics processing compute block to process a workload including graphics or compute operations, a first cache memory, and a coherency module enable the first cache memory to coherently cache data for the workload, the data stored in memory within a virtual address space, wherein the virtual address space shared with a separate general-purpose processor including a second cache memory that is coherent with the first cache memory.
    Type: Application
    Filed: June 14, 2019
    Publication date: October 3, 2019
    Applicant: Intel Corporation
    Inventors: Joydeep Ray, Altug Koker, James A. Valerio, David Puffer, Abhishek R. Appu, Stephen Junkins
  • Representing a cache line bit pattern via meta signaling
    Patent number: 10430335
    Abstract: A cache controller with a pattern recognition mechanism can identify patterns in cache lines. Instead of transmitting the entire data of the cache line to a destination device, the cache controller can generate a meta signal to represent the identified bit pattern. The cache controller transmits the meta signal to the destination in place of at least part of the cache line.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: October 1, 2019
    Assignee: Intel Corporation
    Inventors: Saher Abu Rahme, Christopher E. Cox, Joydeep Ray