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:
Oct. 24, 2017

Filed:

Aug. 18, 2016
Applicant:

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

Inventors:

Herve G. P. Andre, Orlando, FL (US);

Juan J. Ruiz, Daly City, CA (US);

Trung N. Nguyen, Tucson, AZ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/30 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0607 (2013.01); G06F 3/0631 (2013.01); G06F 3/0653 (2013.01); G06F 3/0656 (2013.01); G06F 3/0683 (2013.01);
Abstract

Provided are a computer program product, system, and method for using a plurality of sub-buffers and a free segment list to allocate segments to a plurality of threads to use for writing data. Groups of threads are assigned to sub-buffers. At least one segment of data is indicated in each of the sub-buffers. The threads assigned to one of the sub-buffers write to the at least one segment indicated in the sub-buffer to which the threads are assigned. A free segment list indicates segments which are not indicated in one of the sub-buffers. In response to one of the segments in a containing sub-buffer comprising one of the sub-buffers becoming a full segment having less than a threshold amount of free space, the indication of the full segment in the containing sub-buffer is replaced with one of the segments indicated in the free segment list.


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