Run results for: various compression libraries

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36

Browser: Chrome 115

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
pako: compress	4141.2 Ops/sec
pako: decompress	22191.9 Ops/sec
fflate: compress	6192.0 Ops/sec
fflate: decompress	46437.6 Ops/sec
snappyjs: compress	38017.0 Ops/sec
snappyjs: decompress	57698.5 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.min.js"></script>
<script src="https://cdn.jsdelivr.net/gh/zhipeng-jia/snappyjs@0.7.0/dist/snappyjs.js"></script>

Script Preparation code:

var a = "";
for (var i = 0; i < 100; i++) {
    a += 'The quick brown fox jumps over the lazy dog';
    for (var j = Math.random(100); j >= 0; j--) {
        a += String.fromCharCode(Math.random() * 1000);
    }
}
var enc = new TextEncoder();
var uncompressed = enc.encode(a);
var compressed_pako = pako.gzip(uncompressed);
var compressed_snappy = SnappyJS.compress(uncompressed);

Tests:

pako: compress
pako.deflate(uncompressed)
pako: decompress
pako.inflate(compressed_pako)
fflate: compress
fflate.gzipSync(uncompressed)
fflate: decompress
fflate.decompressSync(compressed_pako);
snappyjs: compress
SnappyJS.compress(uncompressed)
snappyjs: decompress
SnappyJS.uncompress(compressed_snappy)

Run results for: various compression libraries

emulate file compression/decompression with pako, fflate and snappyjs

pako: compress

pako: decompress

fflate: compress

fflate: decompress

snappyjs: compress

snappyjs: decompress