Layer compression method comparison [Performance/Bytes]

[sn4k3]

System

• CPU: 13th Gen Intel(R) Core(TM) i9-13900K
• RAM: G.Skill Trident Z5 32GB DDR5-6400MHz CL32

Benchmark tool

UVtools -> Help -> Benchmark

Comparison on an 8K layer image

*Thread numbers are in compressions per second
**Uncompressed bytes: 7680 * 4320 = 33,177,600

Method	Single-Thread	Multi-Thread	Bytes
PNG	22.17	369	1170575
GZip	63.29	1020.41	680507
Deflate	64.1	1033.06	680497
Brotli	190.48	3759.4	307646
LZ4	312.5	6097.56	496376

UVtools_Compression.xlsx

Purpose

The purpose of this topic is to discuss layer data optimization which can be changed on settings. By default LZ4 is selected to provide the fastest support, however user is free to benchmark and choose the best method for his machine and files.