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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/137.0.7151.51 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 137

Operating system: iOS 17.6.1

Device Platform: Mobile

Date tested: one year ago

Benchmark engine: Benchmark.js

zip fflate b

79K/s

unzip pako b

72K/s

zip pako b

24K/s

unzip fflate b

17K/s

unzip pako a

607/s

zip pako a

219/s

unzip fflate a

129/s

zip fflate a

96/s

View exact numbers

Test name	Executions per second
✓ zip fflate b	79,395 Ops/sec
unzip pako b	72,281 Ops/sec
zip pako b	24,267 Ops/sec
unzip fflate b	17,289 Ops/sec
unzip pako a	607 Ops/sec
zip pako a	219 Ops/sec
unzip fflate a	129 Ops/sec
zip fflate a	96 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)