⚡ Benchmark

Carno.js is the fastest framework for Bun — and it's not even close.

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🏆 Performance Comparison

We put Carno.js head-to-head against other popular Bun frameworks under identical conditions. The results speak for themselves.

Test Environment

Parameter	Value
Tool	oha (Ohayou HTTP load generator)
Duration	6 seconds
Endpoint	GET / returning a simple string
Runtime	Bun

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📊 Results

Framework	Requests/sec	Avg Latency	Fastest	Slowest
🥇 Carno.js	234,562	0.21 ms	0.01 ms	3.04 ms
🥈 Elysia	167,206	0.29 ms	0.02 ms	17.06 ms

⚡ Carno.js — 40% faster

Summary:
  Success rate:   100.00%
  Total:          6000.93 ms
  Slowest:        3.0463 ms
  Fastest:        0.0131 ms
  Average:        0.2116 ms
  Requests/sec:   234,562.81

Response time distribution:
  10.00% in 0.1548 ms
  25.00% in 0.1618 ms
  50.00% in 0.1722 ms   ← median
  75.00% in 0.2701 ms
  90.00% in 0.2940 ms
  95.00% in 0.3230 ms
  99.00% in 0.5540 ms
  99.90% in 1.3634 ms
  99.99% in 1.9256 ms

🔵 Elysia

Summary:
  Success rate:   100.00%
  Total:          6000.99 ms
  Slowest:        17.0686 ms
  Fastest:        0.0238 ms
  Average:        0.2974 ms
  Requests/sec:   167,206.54

Response time distribution:
  10.00% in 0.2063 ms
  25.00% in 0.2152 ms
  50.00% in 0.2311 ms   ← median

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🧪 Run Your Own Benchmark

Don't just take our word for it! You can run your own benchmarks to verify Carno.js performance.

Prerequisites

Make sure you have oha installed:

# macOS
brew install oha

# Cargo
cargo install oha

Run the test

Create a simple Carno.js server and benchmark it:

// server.ts
import { Carno, Controller, Get } from '@carno.js/core';

@Controller()
class BenchmarkController {
  @Get('/')
  health() {
    return 'ok';
  }
}

const app = new Carno({ providers: [BenchmarkController] });
app.listen(3000);

# Start the server (in one terminal)
bun server.ts

# Run the benchmark (in another terminal)
oha -z 6s http://localhost:3000/

Share Your Results!

Got interesting benchmark results? We'd love to see them! Open an issue or discussion on our GitHub repository.