Messages in this thread |  | | From | Nick Terrell <> | Subject | Re: [PATCH] zram: add zstd to the supported algorithms list | Date | Fri, 25 Aug 2017 18:55:44 +0000 |
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On 8/24/17, 9:51 PM, "Minchan Kim" <minchan@kernel.org> wrote: >Off-topic: > >In all ways, zstd beats deflate. Nick, Right?
Yeah. Since all LZ compression algorithms are heuristics, there are some rare cases where zlib beats zstd in compression ratio by a bit, but never speed. In all cases where we've deployed zstd, we've seen aggregate compression ratio improvements over zlib, and expect the same here.
>With zstd, I doubt we should show "deflate" to user. Many options just >make user confused. >The inflate have been there for representing high comp ratio but slower >speed. However, zstd is better unconditionally compared to deflate >so how about replacing deflate with zstd? > >Sergey, what do you think about it?
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