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From: vx 8400 <vx8400@gmail.com>
To: ALT Linux Community general discussions <community@lists.altlinux.org>
Subject: Re: [Comm] Запись на жесткий диск - ядро 2.6 хуже, чем 2.4 ???
Date: Sun, 7 Nov 2010 18:47:08 +0100
Message-ID: <AANLkTimTYDxGzDwooeUq+cT=s0DePL9o-ZGhApjJvpc-@mail.gmail.com> (raw)
In-Reply-To: <AANLkTinvT5SYMY_nAYKqZ8yr0NmZa0bC=BhNhMFb_Bw8@mail.gmail.com>

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7 ноября 2010 г. 17:38  vx 8400:
> Помню, что разница на блочной записи на ext2 (обычный раздел обычного
> IDE диска) с 2.4.31 и 2.6.15 была <~10%.

Соврал: 2.4.31 -> 2.6.25.
Табличка с unixbench в прицепе.

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   BYTE UNIX Benchmarks (Version 5.1.2)

   System: compas: GNU/Linux
   Machine: i686 (unknown)
   Language: en_US.utf8 (charmap="KOI8-R", collate="KOI8-R")
   CPU 0: Pentium III (Coppermine) (1605.6 bogomips)
          MMX, Physical Address Ext, SYSENTER/SYSEXIT
------------------------------------------------------------------------
                                                             2.4.31                   2.6.25-std-def-alt8.M41.4 
                                            ------------------------------------------------------------------------
Dhrystone 2 using register variables        1467230.4 lps   (10.0 s, 7 samples)    1363184.4 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                      454.4 MWIPS (10.0 s, 7 samples)        587.5 MWIPS (10.1 s, 7 samples)
Execl Throughput                               1885.9 lps   (29.9 s, 2 samples)        398.0 lps   (29.8 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks         70456.1 KBps  (30.0 s, 2 samples)      74986.0 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks           29960.4 KBps  (30.0 s, 2 samples)      33419.7 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        102488.0 KBps  (30.0 s, 2 samples)     106400.0 KBps  (30.0 s, 2 samples)
Pipe Throughput                              469376.6 lps   (10.0 s, 7 samples)     292535.0 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 209730.4 lps   (10.0 s, 7 samples)      56059.3 lps   (10.0 s, 7 samples)
Process Creation                              10652.5 lps   (30.0 s, 2 samples)       2501.7 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                    417.9 lpm   (60.1 s, 2 samples)        266.2 lpm   (60.2 s, 2 samples)
Shell Scripts (8 concurrent)                     56.3 lpm   (60.8 s, 2 samples)         33.9 lpm   (60.5 s, 2 samples)
System Call Overhead                         419920.4 lps   (10.0 s, 7 samples)     469106.8 lps   (10.0 s, 7 samples)
                                                                                                                      
System Benchmarks Index Values               BASELINE       RESULT    INDEX         BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0    1467230.4    125.7         116700.0    1363184.4    116.8
Double-Precision Whetstone                       55.0        454.4     82.6             55.0        587.5    106.8
Execl Throughput                                 43.0       1885.9    438.6             43.0        398.0     92.6
File Copy 1024 bufsize 2000 maxblocks          3960.0      70456.1    177.9           3960.0      74986.0    189.4
File Copy 256 bufsize 500 maxblocks            1655.0      29960.4    181.0           1655.0      33419.7    201.9
File Copy 4096 bufsize 8000 maxblocks          5800.0     102488.0    176.7           5800.0     106400.0    183.4
Pipe Throughput                               12440.0     469376.6    377.3          12440.0     292535.0    235.2
Pipe-based Context Switching                   4000.0     209730.4    524.3           4000.0      56059.3    140.1
Process Creation                                126.0      10652.5    845.4            126.0       2501.7    198.5
Shell Scripts (1 concurrent)                     42.4        417.9     98.6             42.4        266.2     62.8
Shell Scripts (8 concurrent)                      6.0         56.3     93.8              6.0         33.9     56.6
System Call Overhead                          15000.0     419920.4    279.9          15000.0     469106.8    312.7
                                                                   ========                               ========
System Benchmarks Index Score                                         217.5                                  140.4    


  parent reply	other threads:[~2010-11-07 17:47 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-06 16:47 Yura Kalinichenko
2010-11-06 18:19 ` vx 8400
2010-11-06 18:44   ` Yura Kalinichenko
2010-11-06 19:12     ` vx 8400
2010-11-06 21:35       ` Yura Kalinichenko
2010-11-07  9:07         ` vx 8400
2010-11-07 16:25           ` Yura Kalinichenko
2010-11-07 16:38             ` vx 8400
2010-11-07 17:17               ` Yura Kalinichenko
2010-11-07 17:47               ` vx 8400 [this message]
2010-11-07 17:58                 ` vx 8400
2010-11-06 20:03   ` Michael Shigorin
2010-11-06 20:02 ` Michael Shigorin
2010-11-06 21:44   ` Yura Kalinichenko
2010-11-06 22:50     ` Michael Shigorin
2010-12-17  9:37 ` Yura Kalinichenko
2010-12-17 10:07   ` vx 8400
2010-12-17 21:53     ` Yura Kalinichenko
2010-12-17 13:33   ` Damir
2010-12-17 23:06     ` Yura Kalinichenko
2010-12-17 16:01   ` Michael Shigorin

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