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US Patent 12013781 Processing device using variable stride pattern

Patent 12013781 was granted and assigned to Graphcore Limited on June, 2024 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Applicant
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Graphcore Limited
1
Current Assignee
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Graphcore Limited
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
120137811
Patent Inventor Names
Alan Graham Alexander1
Richard Luke Southwell Osborne1
Sam Chesney1
Edward Andrews1
Date of Patent
June 18, 2024
1
Patent Application Number
176530121
Date Filed
March 1, 2022
1
Patent Citations
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US Patent 7533242 Prefetch hardware efficiency via prefetch hint instructions
1
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US Patent 7346741 Memory latency of processors with configurable stride based pre-fetching technique
1
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US Patent 7487296 Multi-stride prefetcher with a recurring prefetch table
1
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US Patent 9311247 Method and apparatus for detecting patterns of memory accesses in a computing system with out-of-order program execution
1
Patent Primary Examiner
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Prasith Thammavong
1
CPC Code
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G06F 2212/6026
1
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G06F 9/30098
1
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G06F 12/0804
1
Patent abstract

For certain applications, parts of the application data held in memory of a processing device (e.g. that are produced as a result of operations performed by the execution unit) are arranged in regular repeating patterns in the memory, and therefore, the execution unit may set up a suitable striding pattern for use by a send engine. The send engine accesses the memory at locations in accordance with the configured striding pattern so as to access a plurality of items of data that are arranged together in a regular pattern. In a similar manner as done for sends, the execution may set up a striding pattern for use by a receive engine. The receive engine, upon receiving a plurality of items of data, causes those items of data to be stored at locations in the memory, as determined in accordance with the configured striding pattern.

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