https://bugs.documentfoundation.org/show_bug.cgi?id=104892

            Bug ID: 104892
           Summary: Adding a bunch of very small images (jpg/png) will
                    cause a high CPU load
           Product: LibreOffice
           Version: 5.0.6.3 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: [email protected]
          Reporter: [email protected]

Description:
Adding a bunch of small 8-16kb images at once will cause a high CPU load. 

Steps to Reproduce:
1.Download and extract the attached zip
2.Open Impress (empty sheet)
3.Add the extract images to a slide with drag & drop. Monitor disk and CPU
usage

Actual Results:  
Maximal CPU load for 5-8 seconds

Expected Results:
CPU load of 7% for 2 seconds


Reproducible: Always

User Profile Reset: No

Additional Info:
Found in:
Version: 5.4.0.0.alpha0+
Build ID: 9cfb2f2f03b5ec086487fd483298466db0b09010
CPU Threads: 4; OS Version: Windows 6.19; UI Render: default; 
TinderBox: Win-x86@42, Branch:master, Time: 2016-12-20_23:58:02
Locale: nl-NL (nl_NL); Calc: CL

and in
Version: 5.0.6.3
Build ID: 490fc03b25318460cfc54456516ea2519c11d1aa
Locale: nl-NL (nl_NL)

but not in:
Version: 5.0.2.2
Build ID: 37b43f919e4de5eeaca9b9755ed688758a8251fe
Locale: en-US (nl_NL)


User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:45.0) Gecko/20100101
Firefox/45.0

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