Nestjs Express vs Bun(Express)

Machine: Apple 14" M2 Pro | Apple M2 Pro 10-Core CPU | 16GB.
Node: v18.14.0
Run: Sun Sep 10 10:31:11 +03 2023

Installation

$ bun install # doesn't effect node performance

# development mode
$ npm run start:dev
$ bun run start:bun

# production mode
$ npm run start:prod
$ bun run start:prod:bun

	Router	Requests/s	Latency	Throughput/Mb
nestjs-express	✓	16874.41	116.9 ms	4.03 MB
bun(nestjs-express)	✓	41212.81	47.88 ms	7.91 MB

For testing locally:

$ npm run benchmark
$ bun run benchmark:bun

Somehow process stales in background, so you need to kill it manually.