śr., 13 maj 2020 o 21:19 Matthias Schiffer
<mschif...@universe-factory.net> napisał(a):
>
> zstd with its default settings (compression level -3) compresses better
> than bzip2 -9 (which is the default setting), and is an order of magnitude
> faster.
>
> I made the following measurements for the most common compression tools
> (all standard Debian Buster versions, default flags unless noted
> otherwise), using the debug information of a large x86-64 kernel with
> ALL_KMODS:
>
> * kernel-debug.tar: 376M
> * kernel-debug.tar.gz: 101M, compressed in ~12s
> * kernel-debug.tar.bz2: 91M, compressed in ~15s
> * kernel-debug.tar.xz: 57M, compressed in ~101s
> * kernel-debug.tar.zst: 86M, compressed in ~1s
>...

Impressive results. Perhaps it should also be used for SquashFS
instead of LZMA //Thomas

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