Invention Grant
US08775698B2 Performing an all-to-all data exchange on a plurality of data buffers by performing swap operations
失效
通过执行交换操作在多个数据缓冲器上执行一对一的数据交换
- Patent Title: Performing an all-to-all data exchange on a plurality of data buffers by performing swap operations
- Patent Title (中): 通过执行交换操作在多个数据缓冲器上执行一对一的数据交换
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Application No.: US13459832Application Date: 2012-04-30
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Publication No.: US08775698B2Publication Date: 2014-07-08
- Inventor: Charles J. Archer , Amanda E. Peters , Brian E. Smith
- Applicant: Charles J. Archer , Amanda E. Peters , Brian E. Smith
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Biggers Kennedy Lenart Spraggins LLP
- Main IPC: G06F3/00
- IPC: G06F3/00 ; G06F15/16

Abstract:
Methods, apparatus, and products are disclosed for performing an all-to-all exchange on n number of data buffers using XOR swap operations. Each data buffer has n number of data elements. Performing an all-to-all exchange on n number of data buffers using XOR swap operations includes for each rank value of i and j where i is greater than j and where i is less than or equal to n: selecting data element i in data buffer j; selecting data element j in data buffer i; and exchanging contents of data element i in data buffer j with contents of data element j in data buffer i using an XOR swap operation.
Public/Granted literature
- US20120216021A1 Performing An All-To-All Data Exchange On A Plurality Of Data Buffers By Performing Swap Operations Public/Granted day:2012-08-23
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