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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-26752] $indexOfBytes (and OfCP) should use Boyer-Moore algorithm</title>
                <link>https://jira.mongodb.org/browse/SERVER-26752</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;$indexOfCP and $indexOfBytes can share code (they currently don&apos;t) and can use Boyer-Moore to improve performance.&lt;/p&gt;</description>
                <environment></environment>
        <key id="326430">SERVER-26752</key>
            <summary>$indexOfBytes (and OfCP) should use Boyer-Moore algorithm</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="asya.kamsky@mongodb.com">Asya Kamsky</reporter>
                        <labels>
                            <label>neweng</label>
                            <label>pull-request</label>
                    </labels>
                <created>Mon, 24 Oct 2016 19:08:01 +0000</created>
                <updated>Thu, 21 Sep 2023 16:58:11 +0000</updated>
                                                                            <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>11</watches>
                                                                                                                <comments>
                            <comment id="1416098" author="redbeard0531" created="Mon, 24 Oct 2016 20:00:50 +0000"  >&lt;p&gt;We are already using &lt;a href=&quot;http://www.boost.org/doc/libs/1_62_0/libs/algorithm/doc/html/algorithm/Searching.html#the_boost_algorithm_library.Searching.BoyerMoore&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;boost::boyer_moore_search&lt;/a&gt; to do phrase matching in full-text search. It should be easy to use it here too. This implementation should check if the needle is constant and use the object interface to avoid building the lookup-table for every execution (it may only be worth using Boyer-Moore in this common case and not for the dynamic-needle case, I&apos;m not sure). It should also special-case when the needle is 1 byte and use the CharT overload of &lt;a href=&quot;http://en.cppreference.com/w/cpp/string/basic_string/find&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;std::string::find&lt;/a&gt; since that will be much faster.&lt;/p&gt;</comment>
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