Javascript [de]serialization benchmark

serde_benchmark.js

const fs = require("fs");
const { serialize, deserialize } = require("v8")

// wget https://www.bundler.openkoi.com/state/current
const stateStr = fs.readFileSync("current.json", "utf8");
const state = JSON.parse(stateStr);
const stateStrBuf = Buffer.from(stateStr);
const stateSer = serialize(state);

// Warmup
console.log("Warming up");
for(let i = 0; i < 100; ++i)
    JSON.parse(JSON.stringify(stateStr));

console.log("\nSerialization:");
//  9.616s
console.time("str");
for(let i = 0; i < 1000; ++i)
    JSON.stringify(state);
console.timeEnd("str");

// 15.611s
console.time("buf");
for(let i = 0; i < 1000; ++i)
    Buffer.from(JSON.stringify(state), "utf8");
console.timeEnd("buf");

//  8.844s
console.time("ser");
for(let i = 0; i < 1000; ++i)
    serialize(state);
console.timeEnd("ser");


console.log("\nDeserialization:");
// 14.196s
console.time("str");
for(let i = 0; i < 1000; ++i)
    JSON.parse(stateStr);
console.timeEnd("str");

// 15.858s
console.time("buf");
for(let i = 0; i < 1000; ++i)
    JSON.parse(stateStrBuf);
console.timeEnd("buf");

// 12.379s
console.time("deser")
for(let i = 0; i < 1000; ++i)
    deserialize(stateSer);
console.timeEnd("deser");