Run results for: zlib compatible compression libraries comparison - pako vs fflate

Run details:

User agent: Mozilla/5.0 (Android 12; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0

Browser: Firefox Mobile 123

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

unzip pako b

6K/s

zip fflate b

5K/s

zip pako b

2K/s

unzip fflate b

2K/s

unzip fflate a

76/s

unzip pako a

67/s

zip pako a

24/s

zip fflate a

15/s

View exact numbers

Test name	Executions per second
✓ unzip pako b	6,467 Ops/sec
zip fflate b	4,742 Ops/sec
zip pako b	2,063 Ops/sec
unzip fflate b	1,687 Ops/sec
unzip fflate a	76 Ops/sec
unzip pako a	67 Ops/sec
zip pako a	24 Ops/sec
zip fflate a	15 Ops/sec

HTML Preparation code:

<script src="https://unpkg.com/fflate"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pako/2.1.0/pako.es5.min.js"></script>

Script Preparation code:

const enc = new TextEncoder();
var a = new Uint8Array([...Array(1000000).keys()]);
var b = enc.encode('The quick brown fox jumps over the lazy dog')
var ca = pako.deflate(a)
var cb = pako.deflate(b)

Tests:

zip pako a
pako.deflate(a)
zip fflate a
fflate.zlibSync(a)
zip pako b
pako.deflate(b)
zip fflate b
fflate.zlibSync(b)
unzip pako a
pako.inflate(ca);
unzip fflate a
fflate.unzlibSync(ca);
unzip pako b
pako.inflate(cb)
unzip fflate b
fflate.unzlibSync(cb)