[PATCH 3/3] ARM: compressed: Enable ZSTD compression
Linus Walleij
linus.walleij at linaro.org
Wed Apr 12 14:45:18 PDT 2023
On Wed, Apr 12, 2023 at 11:22 PM Jonathan Neuschäfer
<j.neuschaefer at gmx.net> wrote:
> With the previous two commits, it is possible to enable ZSTD
> in the decompressor stub for 32-bit ARM.
>
> Unfortunately, ZSTD decompression has been quite slow in my tests
> (on ARM926EJ-S, ARMv5T):
>
> - LZO: 7.2 MiB, 6 seconds
> - ZSTD: 5.6 MiB, 60 seconds
>
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer at gmx.net>
Disappointingly slow, but not all systems are 926, and
not all memory hierarchies are as slow.
Reviewed-by: Linus Walleij <linus.walleij at linaro.org>
Yours,
Linus Walleij
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