PyJS Comparison

app.js

const express = require("express");
const app = express();
const port = 5000;

const fib = (n) => {
  if (n < 2) return n;
  return fib(n - 1) + fib(n - 2);
};

app.get("/", (req, res) => {
  res.send({ data: fib(30) });
});

app.listen(port, () => {
  console.log(`Example app listening at http://localhost:${port}`);
});

app.py

from flask import Flask

app = Flask(__name__)


def fib(n):
    return n if n < 2 else fib(n - 1) + fib(n - 2)


@app.route("/")
def hello_world():
    return {"data": fib(30)}

req.py

import requests
from multiprocessing import Pool


def fetch(i):
    return requests.get("http://localhost:5000/").elapsed.microseconds


if __name__ == "__main__":
    with Pool(10) as p:
        res_times = p.map(fetch, list(range(1000)))

    avg_time = sum(res_times) / len(res_times) if len(res_times) else 0

    print(f"On average each request took {round(avg_time/1000)} milliseconds.\n\n")