benchmark.js

let msgpackLite = require('msgpack-lite');
let borc = require('borc');
let _ = require('lodash');
let { performance } = require('perf_hooks')

let arrays = _.times(100, (n) => {
  return _.times(n, i => ({ i, a: [String(i * 1234), String(i * 1234), String(i * 1234), String(i * 1234)] }))
});

let encodedBORC = arrays.map(array => borc.encode(array));
let encodedMSGPACK = arrays.map(array => msgpackLite.encode(array));
let encodedJSON = arrays.map(array => JSON.stringify(array));

function measureEncode(name, codec, print) {
  let t0 = performance.now();
  for (let i = 0; i < 1000; i++) {
    for (let array of arrays) {
      codec(array);
    }
  }
  let t1 = performance.now();
  if (print) {
    console.log(name, t1 - t0);
  }
}

function measureDecode(name, codec, encodedArrays, print) {
  let t0 = performance.now();
  for (let i = 0; i < 10; i++) {
    for (let array of encodedArrays) {
      codec(array);
    }
  }
  let t1 = performance.now();
  if (print) {
    console.log(name, t1 - t0);
  }
}

const decoder = new borc.Decoder()
const borcDecodeFirst = (buffer) => decoder.decodeFirst(buffer)

console.log("= Encoding Time (ms) =");
// Warm up
measureEncode('msgp.encode   ', msgpackLite.encode, false);
measureEncode('borc.encode   ', borc.encode, false);
measureEncode('json.stringify', msgpackLite.encode, false);
// Test
measureEncode('msgp.encode   ', msgpackLite.encode, true);
measureEncode('borc.encode   ', borc.encode, true);
measureEncode('json.stringify', msgpackLite.encode, true);

console.log("\n= Decoding Time (ms) =");
// Warm up
measureDecode('msgp.decode     ', msgpackLite.decode, encodedMSGPACK, false);
measureDecode('borc.decodeFirst', borcDecodeFirst, encodedBORC, false);
measureDecode('json.parse      ', JSON.parse, encodedJSON, false);
// Test
measureDecode('msgp.decode     ', msgpackLite.decode, encodedMSGPACK, true);
measureDecode('borc.decodeFirst', borcDecodeFirst, encodedBORC, true);
measureDecode('json.parse      ', JSON.parse, encodedJSON, true);

console.log("\n= Efficiency =");
console.log(_.mean(_.zip(encodedBORC, encodedMSGPACK).map(t => t[0].length - t[1].length)));
console.log('CBOR total bytes', _.sum(encodedBORC.map(x => x.length)));
console.log('MSGPACK total bytes', _.sum(encodedMSGPACK.map(x => x.length)));

gistfile1.txt

Before

$ node benchmark2.js 
= Encoding Time (ms) =
msgp.encode    8863.595876000822
borc.encode    19132.6491599977
json.stringify 8959.81700899452

= Decoding Time (ms) =
msgp.decode      119.81795600056648
borc.decodeFirst 417.201666995883
json.parse       44.20244599878788

After

$ node benchmark2.js 
= Encoding Time (ms) =
msgp.encode    8710.264702998102
borc.encode    18425.114222995937
json.stringify 8838.86964199692

= Decoding Time (ms) =
msgp.decode      114.59050000458956
borc.decodeFirst 54.20915900170803
json.parse       32.34785000234842