<cfscript>
    system = createObject( "java", "java.lang.System" );
    itterations = 5000;
    naValues = [
        "-",
        "n. a.",
        "n.a",
        "n.a.",
        "n/a",
        "na",
        "nil",
        "nil.",
        "no boottop",
        "no info",
        "no infor",
        "no time",
        "no",
        "non",
        "none",
        "not applicable",
        "unknown"
    ];
    naValues_as_list = arrayToList( naValues, chr( 0182 ) );
    naValues_as_structkeys = {};
    for( item in naValues ) {
        structAppend( naValues_as_structkeys, item, "" );
    }

    writeDump( naValues_as_structkeys );

    ts = [];
    for ( i = 0; i < itterations; i++ ) {
        t = system.nanoTime( );
        arrayFind( naValues, "no" );
        arrayAppend( ts, system.nanoTime( )-t );
    }
    writeOutput( '<br>arrayFind = #arrayAvg( ts )#ms' );


    ts = [];
    for ( i = 0; i < itterations; i++ ) {
        t = system.nanoTime( );
        listFind( naValues_as_list, "no", chr( 0182 ) );
        arrayAppend( ts, system.nanoTime( )-t );
    }
    writeOutput( '<br>listFind = #arrayAvg( ts )#ms' );


    ts = [];
    for ( i = 0; i < itterations; i++ ) {
        t = system.nanoTime( );
        structKeyExists( naValues_as_list, "no" );
        arrayAppend( ts, system.nanoTime( )-t );
    }
    writeOutput( '<br>structKeyExists = #arrayAvg( ts )#ms' );
</cfscript>