Patents by Inventor Daniel Firu

Daniel Firu 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).

  • Publication number: 20200257467
    Abstract: A system and method for random access augmented flow-based processing within an integrated circuit includes computing, by a plurality of distinct processing cores, a plurality of linear indices and associated valid bits; propagating the plurality of linear indices in a predetermined manner to a plurality of columns of first-in, first-out buffers; loading, from the FIFO buffers, the plurality of linear indices to a content addressable memory; at the CAM: coalescing redundant linear indices in each of the plurality of FIFO buffers; performing lookups for a plurality of memory addresses based on the plurality of linear indices; collecting at a read data buffer a plurality of distinct pieces of data from one of an on-chip memory based on the plurality of memory addresses; reading the plurality of distinct pieces of data from the read data buffer; and propagating the plurality of distinct pieces of data into the processing cores.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 13, 2020
    Inventors: Nigel Drego, Aman Sikka, Mrinalini Ravichandran, Robert Daniel Firu, Veerbhan Kheterpal
  • Publication number: 20200225884
    Abstract: A circuit that includes a plurality of array cores, each array core of the plurality of array cores comprising: a plurality of distinct data processing circuits; and a data queue register file; a plurality of border cores, each border core of the plurality of border cores comprising: at least a register file, wherein: [i] at least a subset of the plurality of border cores encompasses a periphery of a first subset of the plurality of array cores; and [ii] a combination of the plurality of array cores and the plurality of border cores define an integrated circuit array.
    Type: Application
    Filed: March 26, 2020
    Publication date: July 16, 2020
    Inventors: Nigel Drego, Aman Sikka, Mrinalini Ravichandran, Ananth Durbha, Robert Daniel Firu, Veerbhan Kheterpal
  • Patent number: 10691464
    Abstract: Systems and methods for virtually partitioning an integrated circuit may include identifying dimensional attributes of a target input dataset and selecting a data partitioning scheme from a plurality of distinct data partitioning schemes for the target input dataset based on the dimensional attributes of the target dataset and architectural attributes of an integrated circuit. The method may include disintegrating the target dataset into a plurality of distinct subsets of data based on the selected data partitioning scheme and identifying a virtual processing core partitioning scheme from a plurality of distinct processing core partitioning schemes for an architecture of the integrated circuit based on the disintegration of the target input dataset.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: June 23, 2020
    Assignee: quadric.io
    Inventors: Nigel Drego, Aman Sikka, Mrinalini Ravichandran, Robert Daniel Firu, Veerbhan Kheterpal
  • Patent number: 10642541
    Abstract: A circuit that includes a plurality of array cores, each array core of the plurality of array cores comprising: a plurality of distinct data processing circuits; and a data queue register file; a plurality of border cores, each border core of the plurality of border cores comprising: at least a register file, wherein: [i] at least a subset of the plurality of border cores encompasses a periphery of a first subset of the plurality of array cores; and [ii] a combination of the plurality of array cores and the plurality of border cores define an integrated circuit array.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: May 5, 2020
    Assignee: quadric.io, Inc.
    Inventors: Nigel Drego, Aman Sikka, Mrinalini Ravichandran, Ananth Durbha, Robert Daniel Firu, Veerbhan Kheterpal
  • Patent number: 10558188
    Abstract: Digital systems formed on integrated circuits may include sequential logic circuitry. The sequential logic circuitry may form at least part of a finite state machine that records different logical states. The sequential logic circuitry may include a first latching circuit and a second latching circuit that each latch bits onto their respective outputs when clocked at different levels. The first latching circuit may output a first bit. Combinational logic circuitry may be distributed on both sides of the first latching circuit such that a combinational logic circuit interposed between the first and second latching circuits generates a second bit based on at least the first bit. The first and second bits may record one of two possible finite logical states of the sequential logic circuitry. By distributing combinational logic circuity on two sides of a given latching circuit, dynamic power consumption by the sequential logic circuitry may be optimized.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: February 11, 2020
    Assignee: 21, Inc.
    Inventors: Daniel Firu, Veerbhan Kheterpal, Nigel Drego
  • Publication number: 20200034082
    Abstract: A circuit that includes a plurality of array cores, each array core of the plurality of array cores comprising: a plurality of distinct data processing circuits; and a data queue register file; a plurality of border cores, each border core of the plurality of border cores comprising: at least a register file, wherein: [i] at least a subset of the plurality of border cores encompasses a periphery of a first subset of the plurality of array cores; and [ii] a combination of the plurality of array cores and the plurality of border cores define an integrated circuit array.
    Type: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Inventors: Nigel Drego, Aman Sikka, Mrinalini Ravichandran, Ananth Durbha, Robert Daniel Firu, Veerbhan Kheterpal
  • Publication number: 20190354523
    Abstract: An integrated circuit may be provided with cryptocurrency mining capabilities. The integrated circuit may include control circuitry and a number of processing cores that complete a Secure Hash Algorithm 256 (SHA-256) function in parallel. Logic circuitry may be shared between multiple processing cores. Each processing core may perform sequential rounds of cryptographic hashing operations based on a hash input and message word inputs. The control circuitry may control the processing cores to complete the SHA-256 function over different search spaces. The shared logic circuitry may perform a subset of the sequential rounds for multiple processing cores. If desired, the shared logic circuitry may generate message word inputs for some of the sequential rounds across multiple processing cores. By sharing logic circuitry across cores, chip area consumption and power efficiency may be improved relative to scenarios where the cores are formed using only dedicated logic.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 21, 2019
    Inventors: Veerbhan Kheterpal, Daniel Firu, Nigel Drego
  • Patent number: 10474398
    Abstract: A circuit that includes a plurality of array cores, each array core of the plurality of array cores comprising: a plurality of distinct data processing circuits; and a data queue register file; a plurality of border cores, each border core of the plurality of border cores comprising: at least a register file, wherein: [i] at least a subset of the plurality of border cores encompasses a periphery of a first subset of the plurality of array cores; and [ii] a combination of the plurality of array cores and the plurality of border cores define an integrated circuit array.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: November 12, 2019
    Assignee: quadric.io, Inc.
    Inventors: Nigel Drego, Aman Sikka, Mrinalini Ravichandran, Ananth Durbha, Robert Daniel Firu, Veerbhan Kheterpal
  • Publication number: 20190310801
    Abstract: A circuit that includes a plurality of array cores, each array core of the plurality of array cores comprising: a plurality of distinct data processing circuits; and a data queue register file; a plurality of border cores, each border core of the plurality of border cores comprising: at least a register file, wherein: [i] at least a subset of the plurality of border cores encompasses a periphery of a first subset of the plurality of array cores; and [ii] a combination of the plurality of array cores and the plurality of border cores define an integrated circuit array.
    Type: Application
    Filed: June 13, 2019
    Publication date: October 10, 2019
    Inventors: Nigel Drego, Aman Sikka, Mrinalini Ravichandran, Ananth Durbha, Robert Daniel Firu, Veerbhan Kheterpal
  • Publication number: 20190303518
    Abstract: Systems and methods of propagating data within an integrated circuit includes: identifying a coarse data propagation path for distinct subsets of data of an input dataset that includes: setting inter-core data movements for the distinct subsets of data, the inter-core data movements defining a predetermined propagation of a given subset of data between two or more of a plurality of cores of an integrated circuit array of the integrated circuit; identifying a granular data propagation path for each distinct subset of data that includes: setting intra-core data movements for each distinct subset of data, the intra-core data movements defining a predetermined propagation of the given subset of data within one or more of the plurality of cores of the integrated circuit array of the integrated circuit; enabling a flow of the input dataset within the integrated circuit based on the coarse data propagation path and the granular propagation path.
    Type: Application
    Filed: March 5, 2019
    Publication date: October 3, 2019
    Inventors: Nigel Drego, Aman Sikka, Ananth Durbha, Mrinalini Ravichandran, Robert Daniel Firu, Veerbhan Kheterpal
  • Patent number: 10409827
    Abstract: An integrated circuit may be provided with cryptocurrency mining capabilities. The integrated circuit may include control circuitry and a number of processing cores that complete a Secure Hash Algorithm 256 (SHA-256) function in parallel. Logic circuitry may be shared between multiple processing cores. Each processing core may perform sequential rounds of cryptographic hashing operations based on a hash input and message word inputs. The control circuitry may control the processing cores to complete the SHA-256 function over different search spaces. The shared logic circuitry may perform a subset of the sequential rounds for multiple processing cores. If desired, the shared logic circuitry may generate message word inputs for some of the sequential rounds across multiple processing cores. By sharing logic circuitry across cores, chip area consumption and power efficiency may be improved relative to scenarios where the cores are formed using only dedicated logic.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: September 10, 2019
    Assignee: 21, Inc.
    Inventors: Veerbhan Kheterpal, Daniel Firu, Nigel Drego
  • Publication number: 20190271959
    Abstract: Digital systems formed on integrated circuits may include sequential logic circuitry. The sequential logic circuitry may form at least part of a finite state machine that records different logical states. The sequential logic circuitry may include a first latching circuit and a second latching circuit that each latch bits onto their respective outputs when clocked at different levels. The first latching circuit may output a first bit. Combinational logic circuitry may be distributed on both sides of the first latching circuit such that a combinational logic circuit interposed between the first and second latching circuits generates a second bit based on at least the first bit. The first and second bits may record one of two possible finite logical states of the sequential logic circuitry. By distributing combinational logic circuity on two sides of a given latching circuit, dynamic power consumption by the sequential logic circuitry may be optimized.
    Type: Application
    Filed: May 21, 2019
    Publication date: September 5, 2019
    Inventors: Daniel Firu, Veerbhan Kheterpal, Nigel Drego
  • Patent number: 10365860
    Abstract: A circuit that includes a plurality of array cores, each array core of the plurality of array cores comprising: a plurality of distinct data processing circuits; and a data queue register file; a plurality of border cores, each border core of the plurality of border cores comprising: at least a register file, wherein: [i] at least a subset of the plurality of border cores encompasses a periphery of a first subset of the plurality of array cores; and [ii] a combination of the plurality of array cores and the plurality of border cores define an integrated circuit array.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: July 30, 2019
    Assignee: quadric.io, Inc.
    Inventors: Nigel Drego, Aman Sikka, Mrinalini Ravichandran, Ananth Durbha, Robert Daniel Firu, Veerbhan Kheterpal
  • Patent number: 10338558
    Abstract: Digital systems formed on integrated circuits may include sequential logic circuitry. The sequential logic circuitry may form at least part of a finite state machine that records different logical states. The sequential logic circuitry may include a first latching circuit and a second latching circuit that each latch bits onto their respective outputs when clocked at different levels. The first latching circuit may output a first bit. Combinational logic circuitry may be distributed on both sides of the first latching circuit such that a combinational logic circuit interposed between the first and second latching circuits generates a second bit based on at least the first bit. The first and second bits may record one of two possible finite logical states of the sequential logic circuitry. By distributing combinational logic circuitry on two sides of a given latching circuit, dynamic power consumption by the sequential logic circuitry may be optimized.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: July 2, 2019
    Assignee: 21, Inc.
    Inventors: Daniel Firu, Veerbhan Kheterpal, Nigel Drego
  • Patent number: 9942046
    Abstract: Cryptographic hashing circuitry such as mining circuitry used to mine digital currency may be formed on an integrated circuit. The hashing circuitry may include sequential rounds of register and logic circuitry that perform operations of a cryptographic protocol. A final hash output from the hashing circuitry may be checked using a difficulty comparison circuit to determine whether the hash output satisfies predetermined difficulty criteria. The difficulty comparison circuit may be configured as a hardwired comparison circuit having logic gates for checking only a subset of bits in the hash output. The comparison circuit may be adapted to change the number of bits that is checked based on a target number of bits for comparison set by the Bitcoin protocol. Candidate solutions found using the hardwired comparison circuit may then be fed to a host controller that checks the entire hash output to determine whether the candidate solution is valid.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: April 10, 2018
    Assignee: 21, Inc.
    Inventors: Nigel Drego, Veerbhan Kheterpal, Daniel Firu
  • Patent number: 9659123
    Abstract: Circuit design equipment may design logic for a circuit. The design equipment may discover optimized design constraints and an optimized clock signal frequency for the circuit. The design equipment may output the discovered optimized clock signal frequency and design constraints to circuit fabrication equipment for fabricating the corresponding circuit. The design equipment may discover the optimized clock signal frequency and design constraints by populating a cost function with different clock signal frequencies and different design constraint values. The cost function may be, for example, a multi-dimensional surface. The design equipment may identify a global minimum of the cost function and may identify the clock signal frequency and design constraint values that correspond to the global minimum as the optimized clock frequency and optimized design constraints to provide to circuit fabrication equipment.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: May 23, 2017
    Assignee: 21, Inc.
    Inventors: Veerbhan Kheterpal, Daniel Firu, Nigel Drego
  • Publication number: 20160330031
    Abstract: Cryptographic hashing circuitry such as mining circuitry used to mine digital currency may be formed on an integrated circuit. The hashing circuitry may include sequential rounds of register and logic circuitry that perform operations of a cryptographic protocol. A final hash output from the hashing circuitry may be checked using a difficulty comparison circuit to determine whether the hash output satisfies predetermined difficulty criteria. The difficulty comparison circuit may be configured as a hardwired comparison circuit having logic gates for checking only a subset of bits in the hash output. The comparison circuit may be adapted to change the number of bits that is checked based on a target number of bits for comparison set by the Bitcoin protocol. Candidate solutions found using the hardwired comparison circuit may then be fed to a host controller that checks the entire hash output to determine whether the candidate solution is valid.
    Type: Application
    Filed: May 6, 2015
    Publication date: November 10, 2016
    Inventors: Nigel Drego, Veerbhan Kheterpal, Daniel Firu
  • Publication number: 20160125040
    Abstract: An integrated circuit may be provided with cryptocurrency mining capabilities. The integrated circuit may include control circuitry and a number of processing cores that complete a Secure Hash Algorithm 256 (SHA-256) function in parallel. Logic circuitry may be shared between multiple processing cores. Each processing core may perform sequential rounds of cryptographic hashing operations based on a hash input and message word inputs. The control circuitry may control the processing cores to complete the SHA-256 function over different search spaces. The shared logic circuitry may perform a subset of the sequential rounds for multiple processing cores. If desired, the shared logic circuitry may generate message word inputs for some of the sequential rounds across multiple processing cores. By sharing logic circuitry across cores, chip area consumption and power efficiency may be improved relative to scenarios where the cores are formed using only dedicated logic.
    Type: Application
    Filed: September 25, 2015
    Publication date: May 5, 2016
    Inventors: Veerbhan Kheterpal, Daniel Firu, Nigel Drego
  • Publication number: 20160112200
    Abstract: Cryptographic hashing circuitry such as mining circuitry used to mine digital currency may be formed on an integrated circuit. The hashing circuitry may include sequential rounds of register and logic circuitry that perform operations of a cryptographic protocol. A final hash value output by the hashing circuitry may include hash values stored at previous rounds of the cryptographic hashing circuitry. The hashing circuitry may be formed with only two registers per round, thereby optimizing chip area consumption. The hashing circuitry may perform sequential rounds of cryptographic hashing based on an initial hash value and multiple message words. One or more message registers may store the message words. Control circuitry may selectively route the message words from the message register to the hashing circuitry using pointers. If desired, the message registers may be replaced by one or more arrays of memory elements read using row and column pointers.
    Type: Application
    Filed: June 12, 2015
    Publication date: April 21, 2016
    Inventors: Veerbhan Kheterpal, Daniel Firu, Nigel Drego
  • Publication number: 20160109870
    Abstract: Digital systems formed on integrated circuits may include sequential logic circuitry. The sequential logic circuitry may form at least part of a finite state machine that records different logical states. The sequential logic circuitry may include a first latching circuit and a second latching circuit that each latch bits onto their respective outputs when clocked at different levels. The first latching circuit may output a first bit. Combinational logic circuitry may be distributed on both sides of the first latching circuit such that a combinational logic circuit interposed between the first and second latching circuits generates a second bit based on at least the first bit. The first and second bits may record one of two possible finite logical states of the sequential logic circuitry. By distributing combinational logic circuitry on two sides of a given latching circuit, dynamic power consumption by the sequential logic circuitry may be optimized.
    Type: Application
    Filed: August 28, 2015
    Publication date: April 21, 2016
    Inventors: Daniel Firu, Veerbhan Kheterpal, Nigel Drego