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公开(公告)号:US10789505B2
公开(公告)日:2020-09-29
申请号:US15631906
申请日:2017-06-23
Applicant: Google LLC
Inventor: Ofer Shacham , David Patterson , William R. Mark , Albert Meixner , Daniel Frederic Finchelstein , Jason Rupert Redgrave
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 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.
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公开(公告)号:US10560598B2
公开(公告)日:2020-02-11
申请号:US16291047
申请日:2019-03-04
Applicant: Google LLC
Inventor: Albert Meixner , Jason Rupert Redgrave , Ofer Shacham , Qiuling Zhu , Daniel Frederic Finchelstein
Abstract: A sheet generator circuit is described. The sheet generator includes electronic circuitry to receive a line group of image data including multiple rows of data from a frame of image data. The multiple rows are sufficient in number to encompass multiple neighboring overlapping stencils. The electronic circuitry is to parse the line group into a smaller sized sheet. The electronic circuitry is to load the sheet into a data computation unit having a two dimensional shift array structure coupled to an array of processors.
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公开(公告)号:US10546211B2
公开(公告)日:2020-01-28
申请号:US15201204
申请日:2016-07-01
Applicant: Google LLC
Inventor: Ofer Shacham , David Patterson , William R. Mark , Albert Meixner , Daniel Frederic Finchelstein , Jason Rupert Redgrave
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.
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公开(公告)号:US10531030B2
公开(公告)日:2020-01-07
申请号:US16448931
申请日:2019-06-21
Applicant: Google LLC
Inventor: Albert Meixner , Daniel Frederic Finchelstein , David Patterson , William R. Mark , Jason Rupert Redgrave , Ofer Shacham
Abstract: A method is described that includes, on an image processor having a two dimensional execution lane array and a two dimensional shift register array, repeatedly shifting first content of multiple rows or columns of the two dimensional shift register array and repeatedly executing at least one instruction between shifts that operates on the shifted first content and/or second content that is resident in respective locations of the two dimensional shift register array that the shifted first content has been shifted into.
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公开(公告)号:US10516833B2
公开(公告)日:2019-12-24
申请号:US16376479
申请日:2019-04-05
Applicant: Google LLC
Inventor: Qiuling Zhu , Ofer Shacham , Jason Rupert Redgrave , Daniel Frederic Finchelstein , Albert Meixner
Abstract: In a general aspect, an apparatus can include image processing logic (IPL) configured to perform an image processing operation on pixel data corresponding with an image having a width of W pixels and a height of H pixels to produce output pixel data in vertical slices of K pixels using K vertically overlapping stencils of S×S pixels, K being greater than 1 and less than H, S being greater than or equal to 2, and W being greater than S. The apparatus can also include a linebuffer operationally coupled with the IPL, the linebuffer configured to buffer the pixel data for the IPL. The linebuffer can include a full-size buffer having a width of W and a height of (S−1). The linebuffer can also include a sliding buffer having a width of SB and a height of K, SB being greater than or equal to S and less than W.
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36.
公开(公告)号:US20190327437A1
公开(公告)日:2019-10-24
申请号:US16448931
申请日:2019-06-21
Applicant: Google LLC
Inventor: Albert Meixner , Daniel Frederic Finchelstein , David Patterson , William R. Mark , Jason Rupert Redgrave , Ofer Shacham
Abstract: A method is described that includes, on an image processor having a two dimensional execution lane array and a two dimensional shift register array, repeatedly shifting first content of multiple rows or columns of the two dimensional shift register array and repeatedly executing at least one instruction between shifts that operates on the shifted first content and/or second content that is resident in respective locations of the two dimensional shift register array that the shifted first content has been shifted into.
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公开(公告)号:US20190327433A1
公开(公告)日:2019-10-24
申请号:US16402310
申请日:2019-05-03
Applicant: Google LLC
Inventor: Neeti Desai , Albert Meixner , Qiuling Zhu , Jason Rupert Redgrave , Ofer Shacham , Daniel Frederic Finchelstein
Abstract: An apparatus is described that include a line buffer unit composed of a plurality of a line buffer interface units. Each line buffer interface unit is to handle one or more requests by a respective producer to store a respective line group in a memory and handle one or more requests by a respective consumer to fetch and provide the respective line group from memory. The line buffer unit has programmable storage space whose information establishes line group size so that different line group sizes for different image sizes are storable in memory.
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公开(公告)号:US10397450B2
公开(公告)日:2019-08-27
申请号:US15590849
申请日:2017-05-09
Applicant: Google LLC
Inventor: Ofer Shacham , Jason Rupert Redgrave , Albert Meixner , Qiuling Zhu , Daniel Frederic Finchelstein , David Patterson , Donald Stark
Abstract: An apparatus is described. The apparatus includes an execution lane array coupled to a two dimensional shift register array structure. Locations in the execution lane array are coupled to same locations in the two-dimensional shift register array structure such that different execution lanes have different dedicated registers.
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公开(公告)号:US20190208075A1
公开(公告)日:2019-07-04
申请号:US16291047
申请日:2019-03-04
Applicant: Google LLC
Inventor: Albert Meixner , Jason Rupert Redgrave , Ofer Shacham , Qiuling Zhu , Daniel Frederic Finchelstein
Abstract: A sheet generator circuit is described. The sheet generator includes electronic circuitry to receive a line group of image data including multiple rows of data from a frame of image data. The multiple rows are sufficient in number to encompass multiple neighboring overlapping stencils. The electronic circuitry is to parse the line group into a smaller sized sheet. The electronic circuitry is to load the sheet into a data computation unit having a two dimensional shift array structure coupled to an array of processors.
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公开(公告)号:US10284744B2
公开(公告)日:2019-05-07
申请号:US15598933
申请日:2017-05-18
Applicant: Google LLC
Inventor: Albert Meixner , Jason Rupert Redgrave , Ofer Shacham , Qiuling Zhu , Daniel Frederic Finchelstein
Abstract: A sheet generator circuit is described. The sheet generator includes electronic circuitry to receive a line group of image data including multiple rows of data from a frame of image data. The multiple rows are sufficient in number to encompass multiple neighboring overlapping stencils. The electronic circuitry is to parse the line group into a smaller sized sheet. The electronic circuitry is to load the sheet into a data computation unit having a two dimensional shift array structure coupled to an array of processors.
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