Hi Jonathan, On Wed, 31 May 2023 at 06:52, Jonathan Liu <net...@gmail.com> wrote: > > Hi All, > > I noticed that loading from squashfs with zstd compression is > significantly slower than ext4 on RK3399 using U-Boot 2022.01. The > filesystem is located on eMMC. > > I have CONFIG_BLOCK_CACHE=y in .config and am using the generic load command. > > ext4: > 15682578 bytes read in 366 ms (40.9 MiB/s) > > SquashFS with zstd compression: > 15685001 bytes read in 2339 ms (6.4 MiB/s) > > Any suggestions on how to speed up loading from SquashFS with zstd > compression?
Could it just be that zstd is slow? Have you tried lz4? Regards, Simon
