Benchmarks

Every number, with its method.

Velt web servers and the Redis, Postgres and SQLite clients, measured against Rust, Go, Bun and Node. Each benchmark names its machine and links the results file in velt-lang/velt/bench, which has the method, the raw data and how to run it yourself.

HTTP JSON

JSON responses, 64 connections

requests / s · higher is better

Velt345k

Rust · axum346k

Node · cluster243k

Go229k

Bun63k

Node30k

AMD EPYC 7763, each server on 8 pinned cores. TechEmpower-style suite, bench/web/RESULTS.md

Plaintext

Plaintext, pipelined 16 deep

requests / s · higher is better

Velt3.3M

Rust · axum737k

Go399k

AMD EPYC 7763, each server on 8 pinned cores. TechEmpower-style suite, bench/web/RESULTS.md

Redis

Pipelined GET

operations / s · higher is better

Velt1.57M

Rust1.24M

Node498k

Apple M4, Redis 8.8 on localhost. Rust: redis-rs; Node: ioredis. bench/db/RESULTS.md

Postgres

Point select

queries / s · higher is better

Velt35.2k

Rust26.4k

Node24.5k

Apple M4, PostgreSQL 17 on localhost. Rust: tokio-postgres; Node: pg. bench/db/RESULTS.md

SQLite

Insert, autocommit

inserts / s · higher is better

Velt113k

Rust124k

Node103k

Apple M4, bundled SQLite. Rust: rusqlite; Node: better-sqlite3. bench/db/RESULTS.md

Memory

Hello-world server under load

peak MB · lower is better

Velt20.7 MB

Node130 MB

Apple M4, Node 24, highest of the runs. Velt serves 220k req/s, Node 130k. bench/http/RESULTS.md