clone_speedtest.js

const v8 = require('v8');
const dmt = require('dmt-bridge');
const { stopwatch, util } = dmt;

//const clone = require('./fast-clone');
const justClone = equire('./utilities/just/collection-clone'),

const state = require(dmt.dmtPath + '/state/program.json');

function cloneJSONStringify(obj) {
  return JSON.parse(JSON.stringify(obj));
}

const structuredClone = obj => {
  return v8.deserialize(v8.serialize(obj));
};

const timer = stopwatch.start();

//const a = clone(state);
for (let i = 0; i < 1000; i++) {
  let a = justClone(state);
  //let a = structuredClone(state);
  //let a = cloneJSONStringify(state);
}

const duration = stopwatch.stop(timer);

console.log(duration);