Patents Assigned to Flex Logix Technologies, Inc.
  • Patent number: 11960886
    Abstract: An integrated circuit including a plurality of processing components to process image data of a plurality of image frames, wherein each image frame includes a plurality of stages. Each processing component includes a plurality of execution pipelines, wherein each pipeline includes a plurality of multiplier-accumulator circuits configurable to perform multiply and accumulate operations using image data and filter weights, wherein: (i) a first processing component is configurable to process all of the data associated with a first plurality of stages of each image frame, and (ii) a second processing component of the plurality of processing components is configurable to process all of the data associated with a second plurality of stages of each image frame. The first and second processing component processes data associated with the first and second plurality of stages, respectively, of a first image frame concurrently.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: April 16, 2024
    Assignee: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang, Valentin Ossman
  • Patent number: 11960856
    Abstract: A system and/or an integrated circuit including a multiplier-accumulator execution pipeline which includes a plurality of MACs to implement a plurality of multiply and accumulate operations. A first memory stores filter weights having a Gaussian floating point (“GFP”) data format and a first bit length. A data format conversion circuitry includes circuitry to convert the filter weights from the GFP data format and the first bit length to filter weights having the data format and bit length that are different from the GFP data format and the first bit length. The converted filter weights are output to the MACs, wherein in operation, the MACs are configured to perform the plurality of multiply operations using (a) the input data and (b) the filter weights having the data format and bit length that are different from the GFP data format and the first bit length, respectively.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: April 16, 2024
    Assignee: Flex Logix Technologies, Inc.
    Inventor: Frederick A. Ware
  • Patent number: 11916551
    Abstract: A method of routing interconnects of a field programmable gate array including: a plurality of logic tiles, and a tile-to-tile interconnect network, having a plurality of tile-to-tile interconnects to interconnect logic tile networks of the logic tiles, the method comprises: routing a first plurality of tile-to-tile interconnects in a first plurality of logic tiles. After routing the first plurality of tile-to-tile interconnects, routing a second plurality of tile-to-tile interconnects in a second plurality of logic tiles. The start/end point of each tile-to-tile interconnect in the first plurality and the second plurality of tiles is independent of the start/end point of the other tile-to-tile interconnects in the first and second plurality, respectively.
    Type: Grant
    Filed: February 19, 2022
    Date of Patent: February 27, 2024
    Assignee: Flex Logix Technologies, Inc.
    Inventors: Yongning Liu, Fan Mo, Cheng C. Wang
  • Patent number: 11893388
    Abstract: An integrated circuit including a plurality of processing components to process image data of a plurality of image frames, wherein each image frame includes a plurality of stages. Each processing component includes a plurality of execution pipelines, wherein each pipeline includes a plurality of multiplier-accumulator circuits configurable to perform multiply and accumulate operations using image data and filter weights, wherein: (i) a first processing component is configured to process all of the data associated with a first plurality of stages of each image frame, and (ii) a second processing component of the plurality of processing components is configured to process all of the data associated with a second plurality of stages of each image frame. The first and second processing component processes data associated with the first and second plurality of stages, respectively, of a first image frame concurrently.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: February 6, 2024
    Assignee: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang, Valentin Ossman
  • Patent number: 11768790
    Abstract: An integrated circuit including control/configure circuitry which interfaces with a plurality of interconnected MACs and/or one or more rows of interconnected connected MACs. The control/configure circuitry may include a plurality of control/configure circuits, each control/configure circuit interfaces with at least one MAC pipeline, wherein each pipeline includes a plurality of linearly connected multiplier-accumulator circuits. Each control/configure circuit may include one or more of (i) a configurable input data signal path to provide data to the MACs of the pipeline during the execution sequence(s) and (ii) a configurable output data path for the output data generated by execution sequence (i.e., input data that was processed via the multiplier-accumulator circuits of the pipeline).
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: September 26, 2023
    Assignee: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang
  • Patent number: 11693625
    Abstract: An integrated circuit including a plurality of logarithmic addition-accumulator circuits, connected in series, to, in operation, perform logarithmic addition and accumulate operations, wherein each logarithmic addition-accumulator circuit includes: (i) a logarithmic addition circuit to add a first input data and a filter weight data, each having the logarithmic data format, and to generate and output first sum data having a logarithmic data format, and (ii) an accumulator, coupled to the logarithmic addition circuit of the associated logarithmic addition-accumulator circuit, to add a second input data and the first sum data output by the associated logarithmic addition circuit to generate first accumulation data. The integrated circuit may further include first data format conversion circuitry, coupled to the output of each logarithmic addition circuit, to convert the data format of the first sum data to a floating point data format wherein the accumulator may be a floating point type.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: July 4, 2023
    Assignee: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang
  • Patent number: 11663016
    Abstract: An integrated circuit including configurable multiplier-accumulator circuitry, wherein, during processing operations, a plurality of the multiplier-accumulator circuits are serially connected into pipelines to perform concatenated multiply and accumulate operations. The integrated circuit includes a first memory and a second memory, and a switch interconnect network, including configurable multiplexers arranged in a plurality of switch matrices. The first and second memories are configurable as either a dedicated read memory or a dedicated write memory and connected to a given pipeline, via the switch interconnect network, during a processing operation performed thereby; wherein, during a first processing operations, the first memory is dedicated to write data to a first pipeline and the second memory is dedicated to read data therefrom and, during a second processing operation, the first memory is dedicated to read data from a second pipeline and the second memory is dedicated to write data thereto.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: May 30, 2023
    Assignee: Flex Logix Technologies, Inc.
    Inventor: Cheng C. Wang
  • Patent number: 11650824
    Abstract: An integrated circuit including memory to store image data and filter weights, and a plurality of multiply-accumulator execution pipelines, each multiply-accumulator execution pipeline coupled to the memory to receive (i) image data and (ii) filter weights, wherein each multiply-accumulator execution pipeline processes the image data, using associated filter weights, via a plurality of multiply and accumulate operations. In one embodiment, the multiply-accumulator circuitry of each multiply-accumulator execution pipeline, in operation, receives a different set of image data, each set including a plurality of image data, and, using filter weights associated with the received set of image data, processes the set of image data associated therewith, via performing a plurality of multiply and accumulate operations concurrently with the multiply-accumulator circuitry of the other multiply-accumulator execution pipelines, to generate output data.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: May 16, 2023
    Assignee: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang
  • Patent number: 11604645
    Abstract: An integrated circuit comprising a plurality of multiplier-accumulator circuits connected in series in a linear pipeline to perform a plurality of concatenated multiply and accumulate operations, wherein each multiplier-accumulator circuit of the plurality of multiplier-accumulator circuits includes: a multiplier to multiply first data by a multiplier weight data and generate a product data, and an accumulator, coupled to the multiplier of the associated multiplier-accumulator circuit, to add second data and the product data of the associated multiplier to generate sum data.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: March 14, 2023
    Assignee: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang
  • Publication number: 20220391343
    Abstract: An integrated circuit including control/configure circuitry which interfaces with a plurality of interconnected MACs and/or one or more rows of interconnected connected MACs. The control/configure circuitry may include a plurality of control/configure circuits, each control/configure circuit interfaces with at least one MAC pipeline, wherein each pipeline includes a plurality of linearly connected multiplier-accumulator circuits. Each control/configure circuit may include one or more of (i) a configurable input data signal path to provide data to the MACs of the pipeline during the execution sequence(s) and (ii) a configurable output data path for the output data generated by execution sequence (i.e., input data that was processed via the multiplier-accumulator circuits of the pipeline).
    Type: Application
    Filed: August 16, 2022
    Publication date: December 8, 2022
    Applicant: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang
  • Publication number: 20220385291
    Abstract: An integrated circuit comprising a plurality of MACs, connected to form a pipeline, to perform a plurality of multiply and accumulate operations, wherein each MAC includes: (A) a multiplier, coupled to memory to (i) receive the multiplier weight data, (ii) multiply first data and the multiplier weight data and (iii) output product data, (B) an accumulator, coupled to the multiplier of the MAC, to add second data and the first product data and output sum data, and (C) a load-store register, coupled to: (i) an output of the accumulator of the associated MAC and (ii) an input of the load-store register of an immediately successive MAC. Each load-store register may include two interconnected registers, and is configurable to, on the same clock cycle, (a) load the initialization data into the accumulator of the immediately successive MAC and (b) store the sum data from the associated MAC into the load-store register.
    Type: Application
    Filed: August 10, 2022
    Publication date: December 1, 2022
    Applicant: Flex Logix Technologies, Inc.
    Inventor: Cheng C. Wang
  • Publication number: 20220374492
    Abstract: An integrated circuit including a multiplier-accumulator execution pipeline including a plurality of multiplier-accumulator circuits to process the data, using filter weights, via a plurality of multiply and accumulate operations. The integrated circuit includes first conversion circuitry, coupled the pipeline, having inputs to receive a plurality of sets of data, wherein each set of data includes a plurality of data, Winograd conversion circuitry to convert each set of data to a corresponding Winograd set of data, floating point format conversion circuitry, coupled to the Winograd conversion circuitry, to convert the data of each Winograd set of data to a floating point data format. In operation, the multiplier-accumulator circuits are configured to perform the plurality of multiply and accumulate operations using the data of the plurality of Winograd sets of data from the first conversion circuitry and the filter weights, and generate output data based on the multiply and accumulate operations.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 24, 2022
    Applicant: Flex Logix Technologies, Inc.
    Inventors: Frederick A Ware, Cheng C. Wang
  • Patent number: 11476854
    Abstract: An integrated circuit comprising a plurality of multiplier-accumulator circuits, connected in series, wherein the plurality of multiplier-accumulator circuits includes a first MAC circuit, including a multiplier to multiply first data and first multiplier weight data and output first product data, and an accumulator, coupled to the multiplier of the first MAC circuit, to add second data and the first product data and output first sum data. The plurality of multiplier-accumulator circuits further includes a second MAC circuit including a multiplier to multiply third data and second multiplier weight data and output second product data, and an accumulator, coupled to the multiplier of the second MAC circuit and the accumulator of the first MAC circuit, to generate and output second sum data. A first load-store register is coupled to an output of the accumulator of the first MAC circuit and an input of the accumulator of the second MAC circuit.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: October 18, 2022
    Assignee: Flex Logix Technologies, Inc.
    Inventor: Cheng C. Wang
  • Patent number: 11455368
    Abstract: An integrated circuit including a multiplier-accumulator execution pipeline including a plurality of multiplier-accumulator circuits to process the data, using filter weights, via a plurality of multiply and accumulate operations. The integrated circuit includes first conversion circuitry, coupled the pipeline, having inputs to receive a plurality of sets of data, wherein each set of data includes a plurality of data, Winograd conversion circuitry to convert each set of data to a corresponding Winograd set of data, floating point format conversion circuitry, coupled to the Winograd conversion circuitry, to convert the data of each Winograd set of data to a floating point data format. In operation, the multiplier-accumulator circuits are configured to: perform the plurality of multiply and accumulate operations using the data of the plurality of Winograd sets of data from the first conversion circuitry and the filter weights, and generate output data based on the multiply and accumulate operations.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: September 27, 2022
    Assignee: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang
  • Patent number: 11442881
    Abstract: An integrated circuit including control/configure circuitry which interfaces with a plurality of interconnected (e.g., serially) multiplier-accumulator circuits and/or one or more rows of interconnected (e.g., serially) multiplier-accumulator circuits. The control/configure circuitry may include a plurality of control/configure circuits, each control/configure circuit interfaces with at least one multi-bit MAC execution pipeline, wherein each pipeline includes a plurality of interconnected (e.g., serially) multiplier-accumulator circuits. Each control/configure circuit may include one or more (or all) of (i) a configurable input data signal path to provide data to the MACs of the pipeline during the execution sequence(s), (ii) a configurable accumulation data path for the ongoing/accumulating MAC accumulation totals generated by the MACs during an execution sequence, and (iii) a configurable output data path for the output data generated by execution sequence (i.e.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: September 13, 2022
    Assignee: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang
  • Publication number: 20220283779
    Abstract: An integrated circuit comprising a plurality MAC processors, interconnected into a linear pipeline, configurable to process input data, wherein each MAC processor includes (A) a multiplier and (B) an accumulator circuit, and (C) a plurality of rotate input data paths, wherein each rotate input data path couples two sequential MAC processors of the linear pipeline including an input of the multiplier circuit of a first MAC processor of sequential MAC processors to an input of the multiplier circuit of the immediately following MAC processor of the associated sequential MAC processors of the pipeline—wherein each rotate input data path is configurable to provide rotate input data from a first MAC processor of sequential MAC processors of the linear pipeline to the immediately following MAC processor of the associated sequential MAC processors thereby forming a serial circular path via the plurality of rotate input data paths.
    Type: Application
    Filed: February 28, 2022
    Publication date: September 8, 2022
    Applicant: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang
  • Publication number: 20220269506
    Abstract: An integrated circuit including a plurality of processing components to process image data of a plurality of image frames, wherein each image frame includes a plurality of stages. Each processing component includes a plurality of execution pipelines, wherein each pipeline includes a plurality of multiplier-accumulator circuits configurable to perform multiply and accumulate operations using image data and filter weights, wherein: (i) a first processing component is configurable to process all of the data associated with a first plurality of stages of each image frame, and (ii) a second processing component of the plurality of processing components is configurable to process all of the data associated with a second plurality of stages of each image frame. The first and second processing component processes data associated with the first and second plurality of stages, respectively, of a first image frame concurrently.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 25, 2022
    Applicant: Flex Logix Technologies, Inc.
    Inventors: Frederick A. Ware, Cheng C. Wang, Valentin Ossman
  • Publication number: 20220244917
    Abstract: An integrated circuit comprising a plurality of multiplier-accumulator circuits connected in series to form a linear pipeline to process first data, via performing a plurality of concatenated multiply and accumulate operations, and generate MAC output data, wherein each multiplier-accumulator circuit of the plurality of multiplier-accumulator circuits includes (i) a multiplier to multiply first data by a multiplier weight data and generate a product data, and (ii) an accumulator, coupled to the multiplier of the associated multiplier-accumulator circuit, to add second data and the product data of the associated multiplier to generate sum data. The integrated circuit further includes an activation circuit, connected to the output of the linear pipeline of the plurality of multiplier-accumulator circuits, to receive the MAC output data and process the MAC output data, via a non-linear activation function, to generate MAC pipeline output data.
    Type: Application
    Filed: January 18, 2022
    Publication date: August 4, 2022
    Applicant: Flex Logix Technologies, Inc.
    Inventors: Frederick A Ware, Cheng C. Wang
  • Publication number: 20220236986
    Abstract: An integrated circuit including a plurality of processing components to process image data of a plurality of image frames, wherein each image frame includes a plurality of stages. Each processing component includes a plurality of execution pipelines, wherein each pipeline includes a plurality of multiplier-accumulator circuits configurable to perform multiply and accumulate operations using image data and filter weights, wherein: (i) a first processing component is configured to process all of the data associated with a first plurality of stages of each image frame, and (ii) a second processing component of the plurality of processing components is configured to process all of the data associated with a second plurality of stages of each image frame. The first and second processing component processes data associated with the first and second plurality of stages, respectively, of a first image frame concurrently.
    Type: Application
    Filed: April 13, 2022
    Publication date: July 28, 2022
    Applicant: Flex Logix Technologies, Inc
    Inventors: Frederick A. Ware, Cheng C. Wang, Valentin Ossman
  • Publication number: 20220214888
    Abstract: An integrated circuit including configurable multiplier-accumulator circuitry, wherein, during processing operations, a plurality of the multiplier-accumulator circuits are serially connected into pipelines to perform concatenated multiply and accumulate operations. The integrated circuit includes a first memory and a second memory, and a switch interconnect network, including configurable multiplexers arranged in a plurality of switch matrices. The first and second memories are configurable as either a dedicated read memory or a dedicated write memory and connected to a given pipeline, via the switch interconnect network, during a processing operation performed thereby; wherein, during a first processing operations, the first memory is dedicated to write data to a first pipeline and the second memory is dedicated to read data therefrom and, during a second processing operation, the first memory is dedicated to read data from a second pipeline and the second memory is dedicated to write data thereto.
    Type: Application
    Filed: March 23, 2022
    Publication date: July 7, 2022
    Applicant: Flex Logix Technologies, Inc.
    Inventor: Cheng C. Wang