Web Framework performance comparison

express.js

const express = require('express')
const app = express()
const port = 4000

app.get('/', (req, res) => res.send('Hello World!'))

app.listen(port, () => console.log(`Example app listening on port ${port}!`))

// node express.js

/*

          /\      |‾‾|  /‾‾/  /‾/
     /\  /  \     |  |_/  /  / /
    /  \/    \    |      |  /  ‾‾\
   /          \   |  |‾\  \ | (_) |
  / __________ \  |__|  \__\ \___/ .io

  execution: local--------------------------------------------------]   servertor
     output: -
     script: -

    duration: 10s, iterations: -
         vus: 30,  max: 30

time="2020-03-17T18:43:46Z" level=info msg=Running i=2981 t=955.5863msstarting
time="2020-03-17T18:43:47Z" level=info msg=Running i=6792 t=1.9669787s
time="2020-03-17T18:43:48Z" level=info msg=Running i=11514 t=2.9619078s
time="2020-03-17T18:43:49Z" level=info msg=Running i=16089 t=3.9673322s
time="2020-03-17T18:43:50Z" level=info msg=Running i=20744 t=4.9627029s
time="2020-03-17T18:43:51Z" level=info msg=Running i=25548 t=5.9554418s
time="2020-03-17T18:43:52Z" level=info msg=Running i=30668 t=6.9669815s
time="2020-03-17T18:43:53Z" level=info msg=Running i=35639 t=7.9609981s
time="2020-03-17T18:43:54Z" level=info msg=Running i=39840 t=8.9664527s
time="2020-03-17T18:43:55Z" level=info msg=Running i=45099 t=9.9498675s
time="2020-03-17T18:43:55Z" level=info msg="Test finished" i=45215 t=10.0061199s

    data_received..............: 9.8 MB 976 kB/s
    data_sent..................: 3.8 MB 380 kB/s
    http_req_blocked...........: avg=61.04µs  min=0s      med=34.5µs max=17.32ms p(90)=86.6µs  p(95)=141.8µs
    http_req_connecting........: avg=2.83µs   min=0s      med=0s     max=7.11ms  p(90)=0s      p(95)=0s
    http_req_duration..........: avg=3.5ms    min=71.9µs  med=3.12ms max=37.26ms p(90)=5.94ms  p(95)=7.4ms
    http_req_receiving.........: avg=140.24µs min=41.3µs  med=82.7µs max=33.34ms p(90)=220.6µs p(95)=317.31µs
    http_req_sending...........: avg=71.97µs  min=16.8µs  med=36.7µs max=26.57ms p(90)=111.3µs p(95)=171.8µs
    http_req_tls_handshaking...: avg=0s       min=0s      med=0s     max=0s      p(90)=0s      p(95)=0s
    http_req_waiting...........: avg=3.28ms   min=0s      med=2.94ms max=29.59ms p(90)=5.68ms  p(95)=7.06ms
    http_reqs..................: 45238  4521.033173/s
    iteration_duration.........: avg=3.87ms   min=580.1µs med=3.46ms max=37.51ms p(90)=6.4ms   p(95)=7.96ms
    iterations.................: 45238  4521.033173/s
    vus........................: 30     min=30 max=30
    vus_max....................: 30     min=30 max=30

*/

fastapi.py

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
async def root():
    return {"message": "Hello World"}

# uvicorn main:app --host 0.0.0.0  --workers 2 --no-access-log

"""

          /\      |‾‾|  /‾‾/  /‾/
     /\  /  \     |  |_/  /  / /
    /  \/    \    |      |  /  ‾‾\
   /          \   |  |‾\  \ | (_) |
  / __________ \  |__|  \__\ \___/ .io

  execution: local--------------------------------------------------]   servertor
     output: -
     script: -

    duration: 10s, iterations: -
         vus: 30,  max: 30

time="2020-03-17T18:41:14Z" level=info msg=Running i=4033 t=971.8764msstarting
time="2020-03-17T18:41:15Z" level=info msg=Running i=8211 t=1.9674108s
time="2020-03-17T18:41:16Z" level=info msg=Running i=13212 t=2.961034s
time="2020-03-17T18:41:17Z" level=info msg=Running i=17749 t=3.9749847s
time="2020-03-17T18:41:18Z" level=info msg=Running i=22653 t=4.9712233s
time="2020-03-17T18:41:19Z" level=info msg=Running i=27476 t=5.9624155s
time="2020-03-17T18:41:20Z" level=info msg=Running i=32148 t=6.9568929s
time="2020-03-17T18:41:21Z" level=info msg=Running i=36873 t=7.9722637s
time="2020-03-17T18:41:22Z" level=info msg=Running i=41220 t=8.9699711s
time="2020-03-17T18:41:23Z" level=info msg=Running i=46279 t=9.9712915s

time="2020-03-17T18:41:23Z" level=info msg="Test finished" i=46394 t=10.0021554s
    data_received..............: 7.0 MB 696 kB/s
    data_sent..................: 3.9 MB 390 kB/s
    http_req_blocked...........: avg=54.23µs  min=21.7µs  med=34.2µs max=25.56ms p(90)=70.6µs p(95)=123.9µs
    http_req_connecting........: avg=2.83µs   min=0s      med=0s     max=6.28ms  p(90)=0s     p(95)=0s
    http_req_duration..........: avg=4.11ms   min=588µs   med=3.84ms max=42.21ms p(90)=6.44ms p(95)=7.52ms
    http_req_receiving.........: avg=129.01µs min=40.2µs  med=79.5µs max=24.99ms p(90)=196µs  p(95)=276µs
    http_req_sending...........: avg=64.83µs  min=17.2µs  med=35.8µs max=18.73ms p(90)=95.1µs p(95)=144.8µs
    http_req_tls_handshaking...: avg=0s       min=0s      med=0s     max=0s      p(90)=0s     p(95)=0s
    http_req_waiting...........: avg=3.92ms   min=474.5µs med=3.67ms max=40.98ms p(90)=6.21ms p(95)=7.24ms
    http_reqs..................: 46401  4639.100088/s
    iteration_duration.........: avg=4.45ms   min=862.2µs med=4.14ms max=54.83ms p(90)=6.84ms p(95)=7.98ms
    iterations.................: 46401  4639.100088/s
    vus........................: 30     min=30 max=30
    vus_max....................: 30     min=30 max=30
"""

hapi.js

'use strict';

const Hapi = require('@hapi/hapi');

const init = async () => {

    const server = Hapi.server({
        port: 3000,
        host: '0.0.0.0'
    });

    server.route({
        method: 'GET',
        path: '/',
        handler: (request, h) => {
            return 'Hello World!';
        }
    })

    await server.start();
    console.log('Server running on %s', server.info.uri);
};

process.on('unhandledRejection', (err) => {

    console.log(err);
    process.exit(1);
});

init();

// node index.js

/*

          /\      |‾‾|  /‾‾/  /‾/
     /\  /  \     |  |_/  /  / /
    /  \/    \    |      |  /  ‾‾\
   /          \   |  |‾\  \ | (_) |
  / __________ \  |__|  \__\ \___/ .io

  execution: local--------------------------------------------------]   servertor
     output: -
     script: -

    duration: 10s, iterations: -
         vus: 30,  max: 30

time="2020-03-17T18:41:42Z" level=info msg=Running i=3615 t=988.9855msstarting
time="2020-03-17T18:41:43Z" level=info msg=Running i=8387 t=1.9797251s
time="2020-03-17T18:41:44Z" level=info msg=Running i=13107 t=2.9719291s
time="2020-03-17T18:41:45Z" level=info msg=Running i=18678 t=4.1168958s
time="2020-03-17T18:41:46Z" level=info msg=Running i=22604 t=4.9677587s
time="2020-03-17T18:41:47Z" level=info msg=Running i=28008 t=5.9638922s
time="2020-03-17T18:41:48Z" level=info msg=Running i=32946 t=6.9718871s
time="2020-03-17T18:41:49Z" level=info msg=Running i=37574 t=7.9679537s
time="2020-03-17T18:41:50Z" level=info msg=Running i=41780 t=8.975196s
time="2020-03-17T18:41:51Z" level=info msg=Running i=47241 t=9.9619773s
time="2020-03-17T18:41:51Z" level=info msg="Test finished" i=47311 t=10.0009758s

    data_received..............: 9.4 MB 942 kB/s
    data_sent..................: 4.0 MB 398 kB/s
    http_req_blocked...........: avg=59.73µs  min=24µs    med=33.8µs max=18.48ms p(90)=84µs    p(95)=137.65µs
    http_req_connecting........: avg=2.58µs   min=0s      med=0s     max=7.92ms  p(90)=0s      p(95)=0s
    http_req_duration..........: avg=3.3ms    min=415.5µs med=3.02ms max=22.28ms p(90)=5.49ms  p(95)=6.6ms
    http_req_receiving.........: avg=129.43µs min=40.1µs  med=80.3µs max=16.22ms p(90)=214.4µs p(95)=309.5µs
    http_req_sending...........: avg=68.49µs  min=15.5µs  med=35.4µs max=14.12ms p(90)=105µs   p(95)=165.5µs
    http_req_tls_handshaking...: avg=0s       min=0s      med=0s     max=0s      p(90)=0s      p(95)=0s
    http_req_waiting...........: avg=3.1ms    min=333.3µs med=2.84ms max=21.76ms p(90)=5.26ms  p(95)=6.32ms
    http_reqs..................: 47330  4732.538199/s
    iteration_duration.........: avg=3.66ms   min=575.6µs med=3.34ms max=26.25ms p(90)=5.89ms  p(95)=7.09ms
    iterations.................: 47330  4732.538199/s
    vus........................: 30     min=30 max=30
    vus_max....................: 30     min=30 max=30

*/