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1. (WO2019046268) CACHE LINE DATA

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International application No. Applicant's or agent's file reference
PCT/US2018/048296 10050800012
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
28 August 2018 30 August 2017
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     1    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
none of the figures is to be published with the abstract.


     G06F 12/0893 (2016.01)i; G06F 12/0866 (2016.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility modelsJapanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: cache, controller, buffer, memory, store, request, destage


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2015-0356019 A1 (ARM LIMITED) 10 December 2015 See paragraphs [0002], [0018], [0038], [0040], [0049]; claims 1, 18; and figures 1-2, 5A-5B.
US 2007-0079070 A1 (FREDERIC CLAUDE MARIE PIRY et al.) 05 April 2007 See paragraphs [0004], [0013], [0035]-[0036]; and figure 1.
US 2016-0154743 A1 (HEWLETT PACKARD ENTERPRISE DEVELOPMENT COMPANY, L.P.) 02 June 2016 See claim 1; and figures 1-2.
US 2012-0159082 A1 (JASON A. COX et al.) 21 June 2012 See paragraphs [0011]-[0013], [0019]; claims 1-7; and figure 1.
US 2009-0083497 A1 (CHUN YU et al.) 26 March 2009 See paragraphs [0022]-[0033], [0054]-[0068]; claims 12-22; and figures 1, 4, 5A-5C.
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
earlier application or patent but published on or after the international filing date
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
document member of the same patent family


Patent document cited in search report Publication date
Patent family member(s) Publication date
US 2015-0356019 A1
10 December 2015
CN 105159844 A
GB 2526849 A
JP 2015-232879 A
US 9836403 B2
16 December 2015
09 December 2015
24 December 2015
05 December 2017
US 2007-0079070 A1
05 April 2007
US 2016-0154743 A1
02 June 2016
CN 105190569 A
EP 3014455 A1
EP 3014455 A4
WO 2014-209276 A1
23 December 2015
04 May 2016
18 January 2017
31 December 2014
US 2012-0159082 A1
21 June 2012
JP 2012-128842 A
JP 5623370 B2
US 8352646 B2
05 July 2012
12 November 2014
08 January 2013
US 2009-0083497 A1
26 March 2009
EP 2042996 A1
US 8200917 B2
WO 2009-042959 A1
01 April 2009
12 June 2012
02 April 2009
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
14 December 2018
Date of mailing of the international search report:
14 December 2018
Authorized officer:
CHIN, Sang Bum
Telephone No. +82-42-481-8398
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