Messages in this thread | | | Date | Wed, 13 Sep 2017 16:16:39 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCH 2/2] zram: remove zlib from the list of recommended algorithms |
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On (09/13/17 16:12), Minchan Kim wrote: > On Tue, Sep 12, 2017 at 02:00:05PM +0900, Sergey Senozhatsky wrote: > > ZSTD tends to outperform deflate/inflate, thus we remove > > zlib from the list of recommended algorithms and recommend > > zstd instead. > > > > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> > > Suggested-by: Minchan Kim <minchan@kernel.org> > > I did test with my sample data and compared zstd with deflate. > zstd's compress ratio is lower a little bit but compression > speed is much faster 3 times more and decompress speed is too > 2 times more. With different data, it is different but overall, > zstd would be better for speed at the cost of a little lower compress > ratio(about 5%) so I believe it's worth to replace deflate.
hm, interesting. on my "real world" use-cases zstd has better compression ratio.
> Thanks for the patch, Sergey. > > Acked-by: Minchan Kim <minchan@kernel.org>
thanks.
-ss
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