How to use the @finos/perspective.initialize_profile_thread function in @finos/perspective

// How many rows per update?
var UPDATE_SIZE = 50;

// Update every N milliseconds
var TICK_RATE = 20;

// Size limit of the server-side table
var TABLE_SIZE = 10000;

var SECURITIES = ["AAPL.N", "AMZN.N", "QQQ.N", "NVDA.N", "TSLA.N", "FB.N", "MSFT.N", "TLT.N", "XIV.N", "YY.N", "CSCO.N", "GOOGL.N", "PCLN.N"];
var CLIENTS = ["Homer", "Marge", "Bart", "Lisa", "Maggie", "Moe", "Lenny", "Carl", "Krusty"];

var __CACHE__ = [];

perspective.initialize_profile_thread();

/*******************************************************************************
 *
 * Slow mode (new rows generated on the fly)
 */

function choose(choices) {
    return choices[Math.floor(Math.random() * choices.length)];
}

function newRows(total_rows = UPDATE_SIZE) {
    var rows = [];
    for (var x = 0; x < total_rows; x++) {
        rows.push({
            name: choose(SECURITIES),
            client: choose(CLIENTS),