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SubjectRe: [PATCH] zram: add zstd to the supported algorithms list
On 8/24/17, 9:51 PM, "Minchan Kim" <> wrote:
>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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