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    CONVOLUTIONAL NEURAL NETWORK ON PROGRAMMABLE TWO DIMENSIONAL IMAGE PROCESSOR
    11.
    发明申请
    CONVOLUTIONAL NEURAL NETWORK ON PROGRAMMABLE TWO DIMENSIONAL IMAGE PROCESSOR 有权

    公开(公告)号：US20210004633A1

    公开(公告)日：2021-01-07

    申请号：US17028097

    申请日：2020-09-22

    Applicant: Google LLC

    Inventor： Ofer Shacham ,  David Patterson ,  William R. Mark ,  Albert Meixner ,  Daniel Frederic Finchelstein ,  Jason Rupert Redgrave

    IPC: G06K9/56 ,  G06T1/60 ,  G06N3/04 ,  G06N3/063 ,  G06F9/30 ,  G06F9/38 ,  G06K9/46 ,  G06T5/20

    Abstract: A method is described that includes executing a convolutional neural network layer on an image processor having an array of execution lanes and a two-dimensional shift register. The two-dimensional shift register provides local respective register space for the execution lanes. The executing of the convolutional neural network includes loading a plane of image data of a three-dimensional block of image data into the two-dimensional shift register. The executing of the convolutional neural network also includes performing a two-dimensional convolution of the plane of image data with an array of coefficient values by sequentially: concurrently multiplying within the execution lanes respective pixel and coefficient values to produce an array of partial products; concurrently summing within the execution lanes the partial products with respective accumulations of partial products being kept within the two dimensional register for different stencils within the image data; and, effecting alignment of values for the two-dimensional convolution within the execution lanes by shifting content within the two-dimensional shift register array.

    Compiler techniques for mapping program code to a high performance, power efficient, programmable image processing hardware platform
    15.
    发明授权
    Compiler techniques for mapping program code to a high performance, power efficient, programmable image processing hardware platform 有权

    公开(公告)号：US10387988B2

    公开(公告)日：2019-08-20

    申请号：US15389113

    申请日：2016-12-22

    Applicant: Google LLC

    Inventor： Albert Meixner ,  Hyunchul Park ,  William R. Mark ,  Daniel Frederic Finchelstein ,  Ofer Shacham

    IPC: G06T1/20 ,  G06F9/50 ,  G06F8/41

    Abstract: A method is described. The method includes compiling program code targeted for an image processor having programmable stencil processors composed of respective two-dimensional execution lane and shift register circuit structures. The program code is to implement a directed acyclic graph and is composed of multiple kernels that are to execute on respective ones of the stencil processors, wherein the compiling includes any of: recognizing there are a different number of kernels in the program code than stencil processors in the image processor; recognizing that at least one of the kernels is more computationally intensive than another one of the kernels; and, recognizing that the program code has resource requirements that exceed the image processor's memory capacity. The compiling further includes in response to any of the recognizing above performing any of: horizontal fusion of kernels; vertical fusion of kernels; fission of one of the kernels into multiple kernels; spatial partitioning of a kernel into multiple spatially partitioned kernels; splitting the directed acyclic graph into smaller graphs.

    MULTI-FUNCTIONAL EXECUTION LANE FOR IMAGE PROCESSOR
    18.
    发明申请
    MULTI-FUNCTIONAL EXECUTION LANE FOR IMAGE PROCESSOR 有权

    公开(公告)号：US20220206796A1

    公开(公告)日：2022-06-30

    申请号：US17691615

    申请日：2022-03-10

    Applicant: Google LLC

    Inventor： Artem Vasilyev ,  Jason Rupert Redgrave ,  Albert Meixner ,  Ofer Shacham

    IPC: G06F9/30 ,  G06F7/57 ,  G06F9/38 ,  G06F15/80

    Abstract: An apparatus is described that includes an execution unit having a multiply add computation unit, a first ALU logic unit and a second ALU logic unit. The ALU unit is to perform first, second, third and fourth instructions. The first instruction is a multiply add instruction. The second instruction is to perform parallel ALU operations with the first and second ALU logic units operating simultaneously to produce different respective output resultants of the second instruction. The third instruction is to perform sequential ALU operations with one of the ALU logic units operating from an output of the other of the ALU logic units to determine an output resultant of the third instruction. The fourth instruction is to perform an iterative divide operation in which the first ALU logic unit and the second ALU logic unit operate during to determine first and second division resultant digit values.

    Statistics operations on two dimensional image processor
    19.
    发明授权
    Statistics operations on two dimensional image processor 有权

    公开(公告)号：US10915773B2

    公开(公告)日：2021-02-09

    申请号：US15596286

    申请日：2017-05-16

    Applicant: Google LLC

    Inventor： Edward Chang ,  Daniel Frederic Finchelstein ,  Szepo Robert Hung ,  Albert Meixner ,  Ofer Shacham

    IPC: G06K9/00 ,  G06T1/20 ,  G11C19/00

    Abstract: A method is described that includes loading an array of content into a two-dimensional shift register. The two-dimensional shift register is coupled to an execution lane array. The method includes repeatedly performing a first sequence including: shifting with the shift register first content residing along a particular row or column into another parallel row or column where second content resides and performing operations with a particular corresponding row or column of the execution lane array on the first and second content. The method also includes repeatedly performing a second sequence including: shifting with the shift register content from a set of first locations along a resultant row or column that is parallel with the rows or columns of the first sequence into a corresponding set of second locations along the resultant row or column. The resultant row or column has values determined from the operations of the first sequence.

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