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У меня так:

sudo hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads:   1756 MB in  2.00 seconds = 878.06 MB/sec
 Timing buffered disk reads: 728 MB in  3.01 seconds = 242.23 MB/sec
OCZ Vertex 4, SATA II, ASUS Eee PC 1215N
Разочарован :(

Black_Roland ★★★★ ()

└─(11:38:#)── hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 25042 MB in 2.00 seconds = 12537.82 MB/sec
Timing buffered disk reads: 1212 MB in 3.00 seconds = 403.73 MB/sec

Plextor M3 64 Gb

Jaeger1999 ()

У меня скромнее:

avalon ~ # hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads:   29776 MB in  2.00 seconds = 14905.76 MB/sec
 Timing buffered disk reads: 770 MB in  3.01 seconds = 256.12 MB/sec
Kindly_Cat ()

У меня SSD от Samsung, шел в ноутбуке и с ноутбуком.

mephistopheles ★★ ()
Ответ на: комментарий от mephistopheles

В твоем случае - чтение из оперативной памяти

YAR ★★★★★ ()

Crucial M4 (128G)

Не-бенчмарк

hdparm -tT /dev/sdb
/dev/sdb:
 Timing cached reads:   6950 MB in  2.00 seconds = 3476.94 MB/sec
 Timing buffered disk reads: 1316 MB in  3.00 seconds = 438.28 MB/sec
Еще один не-бенчмарк
dd if=/dev/sdb bs=1024k of=/dev/null count=1024
1024+0 записей получено
1024+0 записей отправлено
 скопировано 1073741824 байта (1,1 GB), 2,26577 c, 474 MB/c

Myp3ik ★★ ()
Ответ на: комментарий от Black_Roland

http://en.wikipedia.org/wiki/Serial_ATA

SATA revision 2.0 (SATA 3 Gbit/s)

Second generation SATA interfaces run with a native transfer rate of 3.0 Gbit/s, and taking 8b/10b encoding into account, the maximum uncoded transfer rate is 2.4 Gbit/s (300 MB/s).

Alan_Steel ★★ ()

OCZ Vertex3

$ sudo hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads:   27498 MB in  2.00 seconds = 13768.03 MB/sec
 Timing buffered disk reads: 1016 MB in  3.00 seconds = 338.35 MB/sec

m0rph ★★★★★ ()
Последнее исправление: m0rph (всего исправлений: 1)
 Timing cached reads:   9962 MB in  2.00 seconds = 4983.39 MB/sec
 Timing buffered disk reads: 1542 MB in  3.00 seconds = 513.86 MB/sec
 Timing O_DIRECT cached reads:   912 MB in  2.00 seconds = 455.55 MB/sec
 Timing O_DIRECT disk reads: 1380 MB in  3.00 seconds = 459.37 MB/sec

Model=INTEL SSDSC2CT120A3, FwRev=300i

anonymous ()

bonnie++

ocz vertex plus, 120GB

# notebook, ext4 (noatime, discard), ssd ocz vertex-plus, 120Gb
Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
notebook       4G   355  99 152829  31 90123  22  1034  99 236637  30  5714  89
Latency             40873us     513ms     453ms   10571us    2506us     880ms
Version  1.96       ------Sequential Create------ --------Random Create--------
                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16  3423   8 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
Latency              3932us    1101us    1162us     133us      15us      90us
1.96,1.96,notebook ocz vertex plus,1,1,1338463282,4G,,355,99,152829,31,90123,22,1034,99,236637,30,5714,89,16,,,,,3423,8,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,40873us,513ms,453ms,10571us,2506us,880ms,3932us,1101us,1162us,133us,15us,90us

verbatium S5FAM012, 64GB

# notebook, ext4 (noatime, discard) ssd verbatium 64gb, S5FAM012
Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
notebook      3560M   604  99 178555  19 100966  14  3050  99 325097  20  1791  39
Latency             13389us     463ms     313ms    4027us    3731us     933ms
Version  1.96       ------Sequential Create------ --------Random Create--------
notebook            -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16 11057  46 +++++ +++ +++++ +++ 22685  93 +++++ +++ +++++ +++
Latency               205us     685us     720us     108us      15us      41us
1.96,1.96,notebook verbatium S5FAM012,1,1338761980,3560M,,604,99,178555,19,100966,14,3050,99,325097,20,1791,39,16,,,,,11057,46,+++++,+++,+++++,+++,22685,93,+++++,+++,+++++,+++,13389us,463ms,313ms,4027us,3731us,933ms,205us,685us,720us,108us,15us,41us

завтра еще пару других добавлю....

anonymous2 ★★★★★ ()
Последнее исправление: anonymous2 (всего исправлений: 1)
Ответ на: комментарий от anonymous2

Intel 330 Series 120GB MLC

# ext4 (rw,noatime,discard,journal_checksum,journal_async_commit,commit=360,data=ordered), intel 330, 120gb
Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
picon        31936M   964  99 470748  38 244194  23  5402  99 638315  22 +++++ +++
Latency             12009us   82258us     342ms    6009us   24796us    2962us
Version  1.96       ------Sequential Create------ --------Random Create--------
picon               -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16  1267   1 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
Latency               787us    2101us     998us     437us      28us     983us
1.96,1.96,picon,1,1353236102,31936M,,964,99,470748,38,244194,23,5402,99,638315,22,+++++,+++,16,,,,,1267,1,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,12009us,82258us,342ms,6009us,24796us,2962us,787us,2101us,998us,437us,28us,983us

Запускал как «bonnie++ -d .», все правильно делал?
Почему у меня Size аж 31936M? Это от количества ОЗУ зависит?

anonymous ()

Раз пошла такая пьянка....

C журналом на HDD

Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
PowerX           1G  1017  98 244340  43 112915  35  4579  96 260809  41  8565 455
Latency             21876us     107ms   54397us    7655us    1303us    6142us
Version  1.96       ------Sequential Create------ --------Random Create--------
PowerX              -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min        /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
10:1048576:4096/100   467  47   375  33 +++++ +++   261  28   368  33 +++++ +++
Latency               119ms   31894us     586us   58299us   19099us     414us

-------------------------------------------------------------------------------------
По умолчанию

Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
PowerX           1G  1027  99 238605  41 114740  35  4817  99 259201  41  8693 492
Latency             12454us     144ms   49933us    1894us    1572us    7163us
Version  1.96       ------Sequential Create------ --------Random Create--------
PowerX              -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min        /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
10:1048576:4096/100   466  47   373  32 +++++ +++   264  27   372  32   614   1
Latency               127ms   26217us     555us     176ms   15570us     338us

# dd if=/dev/sda bs=1024k of=/dev/null count=1024
1024+0 записей считано
1024+0 записей написано
 скопировано 1073741824 байта (1,1 GB), 4,25698 c, 252 MB/c

# hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads:   6494 MB in  2.00 seconds = 3248.73 MB/sec
 Timing buffered disk reads: 726 MB in  3.00 seconds = 241.79 MB/sec

OCZ-VERTEX3 120G

qwerta ()
Ответ на: комментарий от qwerta

Ну и смарт до кучи...

02.06.2012

 ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   100   100   050    Pre-fail  Always       -       0/2691245
  5 Retired_Block_Count     0x0033   100   100   003    Pre-fail  Always       -       0
  9 Power_On_Hours_and_Msec 0x0032   000   000   000    Old_age   Always       -       1106h+00m+05.530s
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       82
171 Program_Fail_Count      0x0032   000   000   000    Old_age   Always       -       0
172 Erase_Fail_Count        0x0032   000   000   000    Old_age   Always       -       0
174 Unexpect_Power_Loss_Ct  0x0030   000   000   000    Old_age   Offline      -       62
177 Wear_Range_Delta        0x0000   000   000   000    Old_age   Offline      -       0
181 Program_Fail_Count      0x0032   000   000   000    Old_age   Always       -       0
182 Erase_Fail_Count        0x0032   000   000   000    Old_age   Always       -       0
187 Reported_Uncorrect      0x0032   100   100   000    Old_age   Always       -       0
194 Temperature_Celsius     0x0022   030   030   000    Old_age   Always       -       30 (Min/Max 30/30)
195 ECC_Uncorr_Error_Count  0x001c   120   120   000    Old_age   Offline      -       0/2691245
196 Reallocated_Event_Count 0x0033   100   100   003    Pre-fail  Always       -       0
201 Unc_Soft_Read_Err_Rate  0x001c   120   120   000    Old_age   Offline      -       0/2691245
204 Soft_ECC_Correct_Rate   0x001c   120   120   000    Old_age   Offline      -       0/2691245
230 Life_Curve_Status       0x0013   100   100   000    Pre-fail  Always       -       100
231 SSD_Life_Left           0x0013   100   100   010    Pre-fail  Always       -       0
233 SandForce_Internal      0x0000   000   000   000    Old_age   Offline      -       605
234 SandForce_Internal      0x0032   000   000   000    Old_age   Always       -       1030
241 Lifetime_Writes_GiB     0x0032   000   000   000    Old_age   Always       -       1030
242 Lifetime_Reads_GiB      0x0032   000   000   000    Old_age   Always       -       1137

16.08.2012

ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   120   120   050    Pre-fail  Always       -       0/0
  5 Retired_Block_Count     0x0033   100   100   003    Pre-fail  Always       -       0
  9 Power_On_Hours_and_Msec 0x0032   000   000   000    Old_age   Always       -       1602h+49m+36.550s
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       331
171 Program_Fail_Count      0x0032   000   000   000    Old_age   Always       -       0
172 Erase_Fail_Count        0x0032   000   000   000    Old_age   Always       -       0
174 Unexpect_Power_Loss_Ct  0x0030   000   000   000    Old_age   Offline      -       90
177 Wear_Range_Delta        0x0000   000   000   000    Old_age   Offline      -       0
181 Program_Fail_Count      0x0032   000   000   000    Old_age   Always       -       0
182 Erase_Fail_Count        0x0032   000   000   000    Old_age   Always       -       0
187 Reported_Uncorrect      0x0032   100   100   000    Old_age   Always       -       0
194 Temperature_Celsius     0x0022   030   030   000    Old_age   Always       -       30 (Min/Max 30/30)
195 ECC_Uncorr_Error_Count  0x001c   100   100   000    Old_age   Offline      -       0/0
196 Reallocated_Event_Count 0x0033   100   100   003    Pre-fail  Always       -       0
201 Unc_Soft_Read_Err_Rate  0x001c   100   100   000    Old_age   Offline      -       0/0
204 Soft_ECC_Correct_Rate   0x001c   100   100   000    Old_age   Offline      -       0/0
230 Life_Curve_Status       0x0013   100   100   000    Pre-fail  Always       -       100
231 SSD_Life_Left           0x0013   100   100   010    Pre-fail  Always       -       0
233 SandForce_Internal      0x0000   000   000   000    Old_age   Offline      -       919
234 SandForce_Internal      0x0032   000   000   000    Old_age   Always       -       1368
241 Lifetime_Writes_GiB     0x0032   000   000   000    Old_age   Always       -       1368
242 Lifetime_Reads_GiB      0x0032   000   000   000    Old_age   Always       -       1453

11.10.2012

ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   120   120   050    Pre-fail  Always       -       0/0
  5 Retired_Block_Count     0x0033   100   100   003    Pre-fail  Always       -       0
  9 Power_On_Hours_and_Msec 0x0032   000   000   000    Old_age   Always       -       2224h+15m+24.160s
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       581
171 Program_Fail_Count      0x0032   000   000   000    Old_age   Always       -       0
172 Erase_Fail_Count        0x0032   000   000   000    Old_age   Always       -       0
174 Unexpect_Power_Loss_Ct  0x0030   000   000   000    Old_age   Offline      -       112
177 Wear_Range_Delta        0x0000   000   000   000    Old_age   Offline      -       0
181 Program_Fail_Count      0x0032   000   000   000    Old_age   Always       -       0
182 Erase_Fail_Count        0x0032   000   000   000    Old_age   Always       -       0
187 Reported_Uncorrect      0x0032   100   100   000    Old_age   Always       -       0
194 Temperature_Celsius     0x0022   030   030   000    Old_age   Always       -       30 (Min/Max 30/30)
195 ECC_Uncorr_Error_Count  0x001c   100   100   000    Old_age   Offline      -       0/0
196 Reallocated_Event_Count 0x0033   100   100   003    Pre-fail  Always       -       0
201 Unc_Soft_Read_Err_Rate  0x001c   100   100   000    Old_age   Offline      -       0/0
204 Soft_ECC_Correct_Rate   0x001c   100   100   000    Old_age   Offline      -       0/0
230 Life_Curve_Status       0x0013   100   100   000    Pre-fail  Always       -       100
231 SSD_Life_Left           0x0013   100   100   010    Pre-fail  Always       -       0
233 SandForce_Internal      0x0000   000   000   000    Old_age   Offline      -       1287
234 SandForce_Internal      0x0032   000   000   000    Old_age   Always       -       1771
241 Lifetime_Writes_GiB     0x0032   000   000   000    Old_age   Always       -       1771
242 Lifetime_Reads_GiB      0x0032   000   000   000    Old_age   Always       -       1710

qwerta ()
tema@user-desktop ~ % sudo hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads:   24768 MB in  2.00 seconds = 12396.71 MB/sec
 Timing buffered disk reads: 1312 MB in  3.00 seconds = 437.18 MB/sec
tema@user-desktop ~ % sudo hdparm -tT /dev/sdb

/dev/sdb:
 Timing cached reads:   24600 MB in  2.00 seconds = 12312.87 MB/sec
 Timing buffered disk reads: 544 MB in  3.01 seconds = 180.91 MB/sec

sda - SSD Crucial M4-CT064M4SSD2

sdb - HDD Seagate ST1000DM003-9YN1

Забавно, по Timing cached reads отличий нет.

akinator ★★ ()
Ответ на: комментарий от akinator

Действительно, странно, что оперативка имеет постоянное быстродействие.

anonymous ()
tuxr@wintermute ~ $ cat ssd.io 
sda   sda1  
wintermute ~ # time dd if=/dev/sdb1 of=/dev/null bs=8k
6103515+1 записей получено
6103515+1 записей отправлено
 скопировано 50000000000 байт (50 GB), 97,5658 c, 512 MB/c

real    1m37.567s
user    0m0.810s
sys     0m23.538s
wintermute ~ # echo 3>/proc/sys/vm/drop_caches 

wintermute ~ # time dd if=/dev/sdb1 of=/dev/null bs=1M
47683+1 записей получено
47683+1 записей отправлено
 скопировано 50000000000 байт (50 GB), 97,435 c, 513 MB/c

real    1m37.437s
user    0m0.051s
sys     0m23.293s


wintermute ~ # echo 3>/proc/sys/vm/drop_caches 

wintermute ~ # time dd if=/dev/sdb1 of=/dev/null bs=4M
11920+1 записей получено
11920+1 записей отправлено
 скопировано 50000000000 байт (50 GB), 97,4126 c, 513 MB/c

real    1m37.418s
user    0m0.029s
sys     0m24.724s
wintermute ~ # 
tuxr@wintermute ~ $ 

По скорости, похоже, упираюсь в SATA3. SSD 128 GiB от самсунга. Выбирал как что-то среднее между Marvel и SandForce.

TuxR ★★★★ ()
Ответ на: комментарий от TuxR

MB/c

Рюсофикация: «megabyte» но «секунда».

anonymous ()
Ответ на: комментарий от YAR

Удваиваю этого оратора. Тред на 90% состоит из бессмысленных цифр.

aidaho ★★★★★ ()
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