gzip compatible compression libraries comparison - pako vs fflate

comparing gzip compatible compression and decompression of pako with fflate
9 months ago
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Test name Executions per second
zip pako a 20.1 Ops/sec
zip fflate a 20.0 Ops/sec
zip pako b 1756.6 Ops/sec
zip fflate b 5170.4 Ops/sec
unzip pako a 60.0 Ops/sec
unzip fflate a 136.2 Ops/sec
unzip pako b 10283.0 Ops/sec
unzip fflate b 164148.0 Ops/sec
HTML Preparation code:
AخA
 
1
<script src="https://unpkg.com/fflate"></script>
2
<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.gzip(a)
var cb = pako.gzip(b)
Tests:

  • zip pako a

     
    pako.gzip(a)

  • zip fflate a

     
    fflate.gzipSync(a)

  • zip pako b

     
    pako.gzip(b)

  • zip fflate b

     
    fflate.gzipSync(b)

  • unzip pako a

     
    pako.ungzip(ca);

  • unzip fflate a

     
    fflate.gunzipSync(ca);

  • unzip pako b

     
    pako.ungzip(cb)

  • unzip fflate b

     
    fflate.gunzipSync(cb)
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