All of lore.kernel.org
 help / color / mirror / Atom feed
From: Minchan Kim <minchan@kernel.org>
To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Subject: Re: [PATCH 1/2] zram: add zstd to the supported algorithms list
Date: Wed, 13 Sep 2017 15:58:20 +0900	[thread overview]
Message-ID: <20170913065820.GA2975@bbox> (raw)
In-Reply-To: <20170912050005.3247-1-sergey.senozhatsky@gmail.com>

On Tue, Sep 12, 2017 at 02:00:04PM +0900, Sergey Senozhatsky wrote:
> Add ZSTD to the list of supported compression algorithms.
> 
> ZRAM fio perf test:
> 
>                       LZO         DEFLATE         ZSTD
> 
> #jobs1
> WRITE:              (2180MB/s)   (77.2MB/s)      (1429MB/s)
> WRITE:              (1617MB/s)   (77.7MB/s)      (1202MB/s)
> READ:                (426MB/s)   (595MB/s)       (1181MB/s)
> READ:                (422MB/s)   (572MB/s)       (1020MB/s)
> READ:                (318MB/s)   (67.8MB/s)      (563MB/s)
> WRITE:               (318MB/s)   (67.9MB/s)      (564MB/s)
> READ:                (336MB/s)   (68.3MB/s)      (583MB/s)
> WRITE:               (335MB/s)   (68.2MB/s)      (582MB/s)
> #jobs2
> WRITE:              (3441MB/s)   (152MB/s)       (2141MB/s)
> WRITE:              (2507MB/s)   (147MB/s)       (1888MB/s)
> READ:                (801MB/s)   (1146MB/s)      (1890MB/s)
> READ:                (767MB/s)   (1096MB/s)      (2073MB/s)
> READ:                (621MB/s)   (126MB/s)       (1009MB/s)
> WRITE:               (621MB/s)   (126MB/s)       (1009MB/s)
> READ:                (656MB/s)   (125MB/s)       (1075MB/s)
> WRITE:               (657MB/s)   (126MB/s)       (1077MB/s)
> #jobs3
> WRITE:              (4772MB/s)   (225MB/s)       (3394MB/s)
> WRITE:              (3905MB/s)   (211MB/s)       (2939MB/s)
> READ:               (1216MB/s)   (1608MB/s)      (3218MB/s)
> READ:               (1159MB/s)   (1431MB/s)      (2981MB/s)
> READ:                (906MB/s)   (156MB/s)       (1457MB/s)
> WRITE:               (907MB/s)   (156MB/s)       (1458MB/s)
> READ:                (953MB/s)   (158MB/s)       (1595MB/s)
> WRITE:               (952MB/s)   (157MB/s)       (1593MB/s)
> #jobs4
> WRITE:              (6036MB/s)   (265MB/s)       (4469MB/s)
> WRITE:              (5059MB/s)   (263MB/s)       (3951MB/s)
> READ:               (1618MB/s)   (2066MB/s)      (4276MB/s)
> READ:               (1573MB/s)   (1942MB/s)      (3830MB/s)
> READ:               (1202MB/s)   (227MB/s)       (1971MB/s)
> WRITE:              (1200MB/s)   (227MB/s)       (1968MB/s)
> READ:               (1265MB/s)   (226MB/s)       (2116MB/s)
> WRITE:              (1264MB/s)   (226MB/s)       (2114MB/s)
> #jobs5
> WRITE:              (5339MB/s)   (233MB/s)       (3781MB/s)
> WRITE:              (4298MB/s)   (234MB/s)       (3276MB/s)
> READ:               (1626MB/s)   (2048MB/s)      (4081MB/s)
> READ:               (1567MB/s)   (1929MB/s)      (3758MB/s)
> READ:               (1174MB/s)   (205MB/s)       (1747MB/s)
> WRITE:              (1173MB/s)   (204MB/s)       (1746MB/s)
> READ:               (1214MB/s)   (208MB/s)       (1890MB/s)
> WRITE:              (1215MB/s)   (208MB/s)       (1892MB/s)
> #jobs6
> WRITE:              (5666MB/s)   (270MB/s)       (4338MB/s)
> WRITE:              (4828MB/s)   (267MB/s)       (3772MB/s)
> READ:               (1803MB/s)   (2058MB/s)      (4946MB/s)
> READ:               (1805MB/s)   (2156MB/s)      (4711MB/s)
> READ:               (1334MB/s)   (235MB/s)       (2135MB/s)
> WRITE:              (1335MB/s)   (235MB/s)       (2137MB/s)
> READ:               (1364MB/s)   (236MB/s)       (2268MB/s)
> WRITE:              (1365MB/s)   (237MB/s)       (2270MB/s)
> #jobs7
> WRITE:              (5474MB/s)   (270MB/s)       (4300MB/s)
> WRITE:              (4666MB/s)   (266MB/s)       (3817MB/s)
> READ:               (2022MB/s)   (2319MB/s)      (5472MB/s)
> READ:               (1924MB/s)   (2260MB/s)      (5031MB/s)
> READ:               (1369MB/s)   (242MB/s)       (2153MB/s)
> WRITE:              (1370MB/s)   (242MB/s)       (2155MB/s)
> READ:               (1499MB/s)   (246MB/s)       (2310MB/s)
> WRITE:              (1497MB/s)   (246MB/s)       (2307MB/s)
> #jobs8
> WRITE:              (5558MB/s)   (273MB/s)       (4439MB/s)
> WRITE:              (4763MB/s)   (271MB/s)       (3918MB/s)
> READ:               (2201MB/s)   (2599MB/s)      (6062MB/s)
> READ:               (2105MB/s)   (2463MB/s)      (5413MB/s)
> READ:               (1490MB/s)   (252MB/s)       (2238MB/s)
> WRITE:              (1488MB/s)   (252MB/s)       (2236MB/s)
> READ:               (1566MB/s)   (254MB/s)       (2434MB/s)
> WRITE:              (1568MB/s)   (254MB/s)       (2437MB/s)
> #jobs9
> WRITE:              (5120MB/s)   (264MB/s)       (4035MB/s)
> WRITE:              (4531MB/s)   (267MB/s)       (3740MB/s)
> READ:               (1940MB/s)   (2258MB/s)      (4986MB/s)
> READ:               (2024MB/s)   (2387MB/s)      (4871MB/s)
> READ:               (1343MB/s)   (246MB/s)       (2038MB/s)
> WRITE:              (1342MB/s)   (246MB/s)       (2037MB/s)
> READ:               (1553MB/s)   (238MB/s)       (2243MB/s)
> WRITE:              (1552MB/s)   (238MB/s)       (2242MB/s)
> #jobs10
> WRITE:              (5345MB/s)   (271MB/s)       (3988MB/s)
> WRITE:              (4750MB/s)   (254MB/s)       (3668MB/s)
> READ:               (1876MB/s)   (2363MB/s)      (5150MB/s)
> READ:               (1990MB/s)   (2256MB/s)      (5080MB/s)
> READ:               (1355MB/s)   (250MB/s)       (2019MB/s)
> WRITE:              (1356MB/s)   (251MB/s)       (2020MB/s)
> READ:               (1490MB/s)   (252MB/s)       (2202MB/s)
> WRITE:              (1488MB/s)   (252MB/s)       (2199MB/s)
> 
> jobs1                              perfstat
> instructions                 52,065,555,710 (    0.79)    855,731,114,587 (    2.64)       54,280,709,944 (    1.40)
> branches                     14,020,427,116 ( 725.847)    101,733,449,582 (1074.521)       11,170,591,067 ( 992.869)
> branch-misses                    22,626,174 (   0.16%)        274,197,885 (   0.27%)           25,915,805 (   0.23%)
> jobs2                              perfstat
> instructions                103,633,110,402 (    0.75)  1,710,822,100,914 (    2.59)      107,879,874,104 (    1.28)
> branches                     27,931,237,282 ( 679.203)    203,298,267,479 (1037.326)       22,185,350,842 ( 884.427)
> branch-misses                    46,103,811 (   0.17%)        533,747,204 (   0.26%)           49,682,483 (   0.22%)
> jobs3                              perfstat
> instructions                154,857,283,657 (    0.76)  2,565,748,974,197 (    2.57)      161,515,435,813 (    1.31)
> branches                     41,759,490,355 ( 670.529)    304,905,605,277 ( 978.765)       33,215,805,907 ( 888.003)
> branch-misses                    74,263,293 (   0.18%)        759,746,240 (   0.25%)           76,841,196 (   0.23%)
> jobs4                              perfstat
> instructions                206,215,849,076 (    0.75)  3,420,169,460,897 (    2.60)      215,003,061,664 (    1.31)
> branches                     55,632,141,739 ( 666.501)    406,394,977,433 ( 927.241)       44,214,322,251 ( 883.532)
> branch-misses                   102,287,788 (   0.18%)      1,098,617,314 (   0.27%)          103,891,040 (   0.23%)
> jobs5                              perfstat
> instructions                258,711,315,588 (    0.67)  4,275,657,533,244 (    2.23)      269,332,235,685 (    1.08)
> branches                     69,802,821,166 ( 588.823)    507,996,211,252 ( 797.036)       55,450,846,129 ( 735.095)
> branch-misses                   129,217,214 (   0.19%)      1,243,284,991 (   0.24%)          173,512,278 (   0.31%)
> jobs6                              perfstat
> instructions                312,796,166,008 (    0.61)  5,133,896,344,660 (    2.02)      323,658,769,588 (    1.04)
> branches                     84,372,488,583 ( 520.541)    610,310,494,402 ( 697.642)       66,683,292,992 ( 693.939)
> branch-misses                   159,438,978 (   0.19%)      1,396,368,563 (   0.23%)          174,406,934 (   0.26%)
> jobs7                              perfstat
> instructions                363,211,372,930 (    0.56)  5,988,205,600,879 (    1.75)      377,824,674,156 (    0.93)
> branches                     98,057,013,765 ( 463.117)    711,841,255,974 ( 598.762)       77,879,009,954 ( 600.443)
> branch-misses                   199,513,153 (   0.20%)      1,507,651,077 (   0.21%)          248,203,369 (   0.32%)
> jobs8                              perfstat
> instructions                413,960,354,615 (    0.52)  6,842,918,558,378 (    1.45)      431,938,486,581 (    0.83)
> branches                    111,812,574,884 ( 414.224)    813,299,084,518 ( 491.173)       89,062,699,827 ( 517.795)
> branch-misses                   233,584,845 (   0.21%)      1,531,593,921 (   0.19%)          286,818,489 (   0.32%)
> jobs9                              perfstat
> instructions                465,976,220,300 (    0.53)  7,698,467,237,372 (    1.47)      486,352,600,321 (    0.84)
> branches                    125,931,456,162 ( 424.063)    915,207,005,715 ( 498.192)      100,370,404,090 ( 517.439)
> branch-misses                   256,992,445 (   0.20%)      1,782,809,816 (   0.19%)          345,239,380 (   0.34%)
> jobs10                             perfstat
> instructions                517,406,372,715 (    0.53)  8,553,527,312,900 (    1.48)      540,732,653,094 (    0.84)
> branches                    139,839,780,676 ( 427.732)  1,016,737,699,389 ( 503.172)      111,696,557,638 ( 516.750)
> branch-misses                   259,595,561 (   0.19%)      1,952,570,279 (   0.19%)          357,818,661 (   0.32%)
> 
> seconds elapsed        20.630411534     96.084546565    12.743373571
> seconds elapsed        22.292627625     100.984155001   14.407413560
> seconds elapsed        22.396016966     110.344880848   14.032201392
> seconds elapsed        22.517330949     113.351459170   14.243074935
> seconds elapsed        28.548305104     156.515193765   19.159286861
> seconds elapsed        30.453538116     164.559937678   19.362492717
> seconds elapsed        33.467108086     188.486827481   21.492612173
> seconds elapsed        35.617727591     209.602677783   23.256422492
> seconds elapsed        42.584239509     243.959902566   28.458540338
> seconds elapsed        47.683632526     269.635248851   31.542404137
> 
> Over all, ZSTD has slower WRITE, but much faster READ (perhaps
> a static compression buffer used during the test helped ZSTD a
> lot), which results in faster test results.
> 
> Memory consumption (zram mm_stat file):
> 
> zram LZO mm_stat
> mm_stat (jobs1): 2147483648 23068672 33558528        0 33558528        0        0
> mm_stat (jobs2): 2147483648 23068672 33558528        0 33558528        0        0
> mm_stat (jobs3): 2147483648 23068672 33558528        0 33562624        0        0
> mm_stat (jobs4): 2147483648 23068672 33558528        0 33558528        0        0
> mm_stat (jobs5): 2147483648 23068672 33558528        0 33558528        0        0
> mm_stat (jobs6): 2147483648 23068672 33558528        0 33562624        0        0
> mm_stat (jobs7): 2147483648 23068672 33558528        0 33566720        0        0
> mm_stat (jobs8): 2147483648 23068672 33558528        0 33558528        0        0
> mm_stat (jobs9): 2147483648 23068672 33558528        0 33558528        0        0
> mm_stat (jobs10): 2147483648 23068672 33558528        0 33562624        0        0
> 
> zram DEFLATE mm_stat
> mm_stat (jobs1): 2147483648 16252928 25178112        0 25178112        0        0
> mm_stat (jobs2): 2147483648 16252928 25178112        0 25178112        0        0
> mm_stat (jobs3): 2147483648 16252928 25178112        0 25178112        0        0
> mm_stat (jobs4): 2147483648 16252928 25178112        0 25178112        0        0
> mm_stat (jobs5): 2147483648 16252928 25178112        0 25178112        0        0
> mm_stat (jobs6): 2147483648 16252928 25178112        0 25178112        0        0
> mm_stat (jobs7): 2147483648 16252928 25178112        0 25190400        0        0
> mm_stat (jobs8): 2147483648 16252928 25178112        0 25190400        0        0
> mm_stat (jobs9): 2147483648 16252928 25178112        0 25178112        0        0
> mm_stat (jobs10): 2147483648 16252928 25178112        0 25178112        0        0
> 
> zram ZSTD mm_stat
> mm_stat (jobs1): 2147483648 11010048 16781312        0 16781312        0        0
> mm_stat (jobs2): 2147483648 11010048 16781312        0 16781312        0        0
> mm_stat (jobs3): 2147483648 11010048 16781312        0 16785408        0        0
> mm_stat (jobs4): 2147483648 11010048 16781312        0 16781312        0        0
> mm_stat (jobs5): 2147483648 11010048 16781312        0 16781312        0        0
> mm_stat (jobs6): 2147483648 11010048 16781312        0 16781312        0        0
> mm_stat (jobs7): 2147483648 11010048 16781312        0 16781312        0        0
> mm_stat (jobs8): 2147483648 11010048 16781312        0 16781312        0        0
> mm_stat (jobs9): 2147483648 11010048 16781312        0 16785408        0        0
> mm_stat (jobs10): 2147483648 11010048 16781312        0 16781312        0        0
> 
> ==================================================================================
> 
> Official benchmarks [1]:
> 
> Compressor name         Ratio   Compression     Decompress.
> zstd 1.1.3 -1           2.877   430 MB/s        1110 MB/s
> zlib 1.2.8 -1           2.743   110 MB/s        400 MB/s
> brotli 0.5.2 -0         2.708   400 MB/s        430 MB/s
> quicklz 1.5.0 -1        2.238   550 MB/s        710 MB/s
> lzo1x 2.09 -1           2.108   650 MB/s        830 MB/s
> lz4 1.7.5               2.101   720 MB/s        3600 MB/s
> snappy 1.1.3            2.091   500 MB/s        1650 MB/s
> lzf 3.6 -1              2.077   400 MB/s        860 MB/s
> 
> [1] https://github.com/facebook/zstd
> 
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>

      parent reply	other threads:[~2017-09-13  6:58 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-12  5:00 [PATCH 1/2] zram: add zstd to the supported algorithms list Sergey Senozhatsky
2017-09-12  5:00 ` [PATCH 2/2] zram: remove zlib from the list of recommended algorithms Sergey Senozhatsky
2017-09-12  6:49   ` Minchan Kim
2017-09-12  7:00     ` Sergey Senozhatsky
2017-09-13  7:12   ` Minchan Kim
2017-09-13  7:16     ` Sergey Senozhatsky
2017-09-13 10:38     ` Adam Borowski
2017-09-14  8:02       ` Minchan Kim
2017-09-13  6:58 ` Minchan Kim [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170913065820.GA2975@bbox \
    --to=minchan@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=sergey.senozhatsky.work@gmail.com \
    --cc=sergey.senozhatsky@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.