Run results for: compression libraries comparison

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.2.1

Device Platform: Mobile

Date tested: one year ago

Benchmark engine: Benchmark.js

unzip fflate b

683K/s

unzip pako b

102K/s

zip fflate b

47K/s

zip pako b

32K/s

unzip pako a

391/s

zip pako a

284/s

unzip fflate a

161/s

zip fflate a

88/s

View exact numbers

Test name	Executions per second
✓ unzip fflate b	682,680 Ops/sec
unzip pako b	102,245 Ops/sec
zip fflate b	47,027 Ops/sec
zip pako b	31,733 Ops/sec
unzip pako a	391 Ops/sec
zip pako a	284 Ops/sec
unzip fflate a	161 Ops/sec
zip fflate a	88 Ops/sec

HTML Preparation code:

<script src="https://unpkg.com/fflate"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pako/2.0.3/pako.es5.min.js"></script>

Script Preparation code:

var 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.gzip(a)
var cb = pako.gzip(b)

Tests:

unzip pako a
pako.inflate(ca)
unzip pako b
pako.inflate(cb)
zip pako a
pako.deflate(a)
zip pako b
pako.deflate(b)
unzip fflate a
fflate.decompressSync(ca);
unzip fflate b
fflate.decompressSync(cb);
zip fflate a
fflate.gzipSync(a)
zip fflate b
fflate.gzipSync(b)