The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 24, 2018

Filed:

Feb. 17, 2016
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Michihiro Horie, Saitama, JP;

Kiyokuni Kawachiya, Kanagawa, JP;

Mikio Takeuchi, Kanagawa, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/167 (2006.01); G06F 15/173 (2006.01); G06F 3/06 (2006.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 15/17331 (2013.01); G06F 3/065 (2013.01); G06F 3/067 (2013.01); G06F 3/0619 (2013.01); G06F 12/0253 (2013.01); G06F 2212/702 (2013.01);
Abstract

Described herein are methods of transferring arrays of data information by remote data memory access (RDMA). According to the method, data information in data arrays in a local place identified. The intended data and garbage data are identified. Contiguous intended data and garbage data are copied to a remote place when the amount of garbage data is below a threshold garbage data criteria, and only intended data is copied to the remote place when the amount of garbage data is above the threshold garbage data criteria amount. Copying relies on scatter/gather input/output of RDMA. The garbage data transferred to the remote place is forwarded to a free list of the remote place.


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