Run results for: ID Generation Performance 2023

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

uid

10.7M/s

uuidv1

8.6M/s

uuidv4

1.9M/s

crypto.randomUUID()

1.7M/s

nanoid

774K/s

ulid

96K/s

cuid2

91K/s

cuid2_32

62K/s

View exact numbers

Test name	Executions per second
✓ uid	10,656,769 Ops/sec
uuidv1	8,625,129 Ops/sec
uuidv4	1,868,626 Ops/sec
crypto.randomUUID()	1,731,121 Ops/sec
nanoid	774,266 Ops/sec
ulid	95,908 Ops/sec
cuid2	90,617 Ops/sec
cuid2_32	62,276 Ops/sec

HTML Preparation code:

<script type="module">
  import { v4 as uuidv4, v1 as uuidv1 } from 'https://jspm.dev/uuid';
  import {ulid} from "https://jspm.dev/ulid";
  import {createId, init} from "https://jspm.dev/@paralleldrive/cuid2";
  import {nanoid} from "https://jspm.dev/nanoid";
  import {uid} from "https://jspm.dev/uid/secure";
  
  window.uuidv4 = uuidv4;
  window.uuidv1 = uuidv1;
  window.ulid = ulid;
  window.cuid2 = createId;
  window.cuid2_32 = init({length: 32});
  window.nanoid = nanoid;
  window.uid = uid;
  
  console.log("uuidv4", uuidv4());
  console.log("uuidv1", uuidv1());
  console.log("ulid", ulid());
  console.log("cuid2", window.cuid2());
  console.log("cuid2_32", window.cuid2_32());
  console.log("nanoid", nanoid());
  console.log("crypto.randomUUID", crypto.randomUUID());
  console.log("uid", uid(32));
    
</script>

Tests:

uuidv4
uuidv4()
uuidv1
uuidv1()
ulid
ulid()
cuid2
cuid2()
cuid2_32
cuid2_32()
nanoid
nanoid()
crypto.randomUUID()
crypto.randomUUID()
uid
uid(32)