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Re: [PATCH v2 0/8] zram: switch to crypto api

From Andrew Morton <akpm@linux-foundation.org>
Newsgroups linux.kernel
Subject Re: [PATCH v2 0/8] zram: switch to crypto api
Date 2016-05-31 21:10 +0200
Message-ID <rEXd7-6Ej-9@gated-at.bofh.it> (permalink)
References <rEQY1-2DM-3@gated-at.bofh.it> <rEQY3-2DM-41@gated-at.bofh.it>
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On Tue, 31 May 2016 21:29:18 +0900 Sergey Senozhatsky <sergey.senozhatsky@gmail.com> wrote:

> forgot to attach some benchmarks:
> 
> (x86_64, 4GB, zram-perf script)
> 
> perf reported run-time fio (max jobs=3)
> 
> test-fio-zram-842
>      197.907655282 seconds time elapsed
>      201.623142884 seconds time elapsed
>      226.854291345 seconds time elapsed
> test-fio-zram-DEFLATE
>      253.259516155 seconds time elapsed
>      258.148563401 seconds time elapsed
>      290.251909365 seconds time elapsed
> test-fio-zram-LZ4
>       27.022598717 seconds time elapsed
>       29.580522717 seconds time elapsed
>       33.293463430 seconds time elapsed
> test-fio-zram-LZ4HC
>       56.393954615 seconds time elapsed
>       74.904659747 seconds time elapsed
>      101.940998564 seconds time elapsed
> test-fio-zram-LZO
>       28.155948075 seconds time elapsed
>       30.390036330 seconds time elapsed
>       34.455773159 seconds time elapsed

I'm having trouble understanding the benchmark results.  What is being
compared to what and which was faster and how much?

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Re: [PATCH v2 0/8] zram: switch to crypto api Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-05-31 14:30 +0200
  Re: [PATCH v2 0/8] zram: switch to crypto api Andrew Morton <akpm@linux-foundation.org> - 2016-05-31 21:10 +0200
    Re: [PATCH v2 0/8] zram: switch to crypto api Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-06-01 03:00 +0200

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