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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - Sluggish scrolling and high CPU while scrolling for document with (very) large table (7183 row)"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=124321">124321</a>
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<th>Summary</th>
<td>Sluggish scrolling and high CPU while scrolling for document with (very) large table (7183 row)
</td>
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<th>Product</th>
<td>LibreOffice
</td>
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<th>Version</th>
<td>6.3.0.0.alpha0+ Master
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>Windows (All)
</td>
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<th>Status</th>
<td>UNCONFIRMED
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Writer
</td>
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<th>Assignee</th>
<td>libreoffice-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>telesto@surfxs.nl
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<pre>Description:
Sluggish scrolling and high CPU while scrolling for document with (very) large
table
Slow file-opening is covered by <a class="bz_bug_link
bz_status_NEW "
title="NEW - TABLE: Slow layout of large tables (quadratic time)"
href="show_bug.cgi?id=84635">bug 84635</a>. Scrolling issue appears to be new
Steps to Reproduce:
1. Open <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=107268" name="attach_107268" title="7183 rows (84 pages), 663 seconds to load">attachment 107268</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=107268&action=edit" title="7183 rows (84 pages), 663 seconds to load">[details]</a></span> (<a class="bz_bug_link
bz_status_NEW "
title="NEW - TABLE: Slow layout of large tables (quadratic time)"
href="show_bug.cgi?id=84635">bug 84635</a>).
2. Scroll when the document shows up/ or wait until all background processing
finished & scroll again
Actual Results:
Slow drawing & high CPU usage
Expected Results:
Smooth scrolling like 4.4.7.2
Reproducible: Always
User Profile Reset: No
Additional Info:
Version: 6.3.0.0.alpha0+
Build ID: 20ea90a557b5bc744fd234e3a20ab1db484cf88b
CPU threads: 4; OS: Windows 6.3; UI render: default; VCL: win;
TinderBox: Win-x86@42, Branch:master, Time: 2019-03-22_03:21:58
Locale: nl-NL (nl_NL); UI-Language: en-US
Calc: threaded</pre>
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