<html>
<head>
<base href="https://bugs.documentfoundation.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - Calc freezes (slow performance and high CPU usage) with column selection"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=129915">129915</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Calc freezes (slow performance and high CPU usage) with column selection
</td>
</tr>
<tr>
<th>Product</th>
<td>LibreOffice
</td>
</tr>
<tr>
<th>Version</th>
<td>6.3.4.2 release
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Calc
</td>
</tr>
<tr>
<th>Assignee</th>
<td>libreoffice-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>suokunlong@126.com
</td>
</tr></table>
<p>
<div>
<pre>Description:
Selecting columns in a spreadsheet is very slow with very high CPU usage.
Steps to Reproduce:
1. Open the attached test ods file.
2. Select the entire columns A:C (i.e., click on the column header A and drop
until header C).
3. Click any cell to release the selection
4. Repeate step 2 and 3 several times.
Actual Results:
Calc freezes with 100% CPU usage of one core, and takes a long time for the
selection to complete.
Expected Results:
The selection should complete within 3 seconds.
Reproducible: Always
User Profile Reset: No
Additional Info:
Version: 6.3.4.2
Build ID: 60da17e045e08f1793c57c00ba83cdfce946d0aa
CPU 线程: 4; 操作系统: Linux 5.0; UI 渲染: 默认; VCL: gtk3;
区域语言: zh-CN (zh_CN.UTF-8); UI 语言: zh-CN
Calc: threaded</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>