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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Libreoffice Calc: Autofilter functions are slow"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=124450#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Libreoffice Calc: Autofilter functions are slow"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=124450">bug 124450</a>
from <span class="vcard"><a class="email" href="mailto:juhani.suhonen73@gmail.com" title="Juhani Suhonen <juhani.suhonen73@gmail.com>"> <span class="fn">Juhani Suhonen</span></a>
</span></b>
<pre>Yes, the memory consumption is expected (because the file contains nearly 1
million lines and Calc does not support memory mapped files [YET!]).
However, the slowness of opening autofilter dropdown is easily fixable (read
complete section to the buffer and merge sort, which is O(n log n)). Current
method seems to be 2^(O(n)) :-\
-Jussi</pre>
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