ClickHouse/tests/performance/norm_distance.xml

<test>

    <substitutions>
        <substitution>
            <name>element_type</name>
            <values>
                <value>UInt8</value>
                <value>Int16</value>
                <value>Int32</value>
                <value>Int64</value>
                <value>Float32</value>
                <value>Float64</value>
            </values>
        </substitution>
    </substitutions>

    <create_query>
        CREATE TABLE vecs_{element_type} (
            v Array({element_type})
        ) ENGINE=Memory;
    </create_query>

    <!-- Gererate arrays with random data -->

    <fill_query>
        INSERT INTO vecs_{element_type}
        SELECT v FROM (
            SELECT
                number AS n,
                [
                    rand(n*10),
                    rand(n*10+1),
                    rand(n*10+2),
                    rand(n*10+3),
                    rand(n*10+4),
                    rand(n*10+5),
                    rand(n*10+6),
                    rand(n*10+7),
                    rand(n*10+8),
                    rand(n*10+9)
                ] AS v
            FROM system.numbers
            LIMIT 10000000
        );
    </fill_query>

    <!-- The same data in the form of tuples -->

    <create_query>
        CREATE TABLE tuples_{element_type} (
            t Tuple(
                {element_type},
                {element_type},
                {element_type},
                {element_type},
                {element_type},
                {element_type},
                {element_type},
                {element_type},
                {element_type},
                {element_type}
            )
        ) ENGINE=Memory;
    </create_query>

    <fill_query>
        INSERT INTO tuples_{element_type}
        SELECT (v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10]) FROM vecs_{element_type};
    </fill_query>

    <settings>
        <max_threads>1</max_threads>
    </settings>

    <!-- Norm kinds-->
    <substitutions>
        <substitution>
            <name>norm</name>
            <values>
                <value>L1</value>
                <value>L2</value>
                <value>Linf</value>
            </values>
        </substitution>
    </substitutions>

    <!-- Tuples -->
    <query>SELECT sum(dist) FROM (SELECT {norm}Norm(t) AS dist FROM tuples_{element_type})</query>
    <query>WITH (SELECT t FROM tuples_{element_type} limit 1) AS a SELECT sum(dist) FROM (SELECT {norm}Distance(a, t) AS dist FROM tuples_{element_type})</query>
    <query>WITH (SELECT t FROM tuples_{element_type} limit 1) AS a SELECT sum(dist) FROM (SELECT cosineDistance(a, t) AS dist FROM tuples_{element_type})</query>

    <!-- Arrays -->
    <query>SELECT sum(dist) FROM (SELECT {norm}Norm(v) AS dist FROM vecs_{element_type})</query>
    <query>WITH (SELECT v FROM vecs_{element_type} limit 1) AS a SELECT sum(dist) FROM (SELECT {norm}Distance(a, v) AS dist FROM vecs_{element_type})</query>
    <query>WITH (SELECT v FROM vecs_{element_type} limit 1) AS a SELECT sum(dist) FROM (SELECT cosineDistance(a, v) AS dist FROM vecs_{element_type})</query>

    <drop_query>DROP TABLE vecs_{element_type}</drop_query>
    <drop_query>DROP TABLE tuples_{element_type}</drop_query>

</test>