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Shailesh Humbad

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Since: Jan 13, 2004
Posts: 26



(Msg. 1) Posted: Fri Jan 30, 2004 1:32 am
Post subject: ramdisk benchmark
Archived from groups: comp>sys>ibm>pc>hardware>storage (more info?)

FYI, just for fun, here is a Sisoftware Sandra file system benchmark
of a local Linux RAM disk. Sandra is running under the windows
emulator WINE on the the boot-from-CD Linux operating system called
Knoppix 3.3.

DRIVE INDEX: 554,424 kB/s (4x RAID-0 is about 90,000kB/s)

Test File Size : 717MB

Benchmark Breakdown
Buffered Read : 1069 MB/s
Sequential Read : 558 MB/s
Random Read : 505 MB/s
Buffered Write : 1068 MB/s
Sequential Write : 579 MB/s
Random Write : 529 MB/s

Drive
Drive Type : Hard Disk
Total Size : 799MB
Free Space : 796MB, 100%

System : Athlon XP 2500+, 1 GB DDR dual channel

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Eric Gisin1

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Since: Nov 30, 2003
Posts: 276



(Msg. 2) Posted: Fri Jan 30, 2004 1:32 am
Post subject: Re: ramdisk benchmark [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

I bet running it on Win 2K/XP with the Microsoft RAM disk would be even
faster. Search for it on the Microsoft support page.

"Shailesh Humbad" <humbads1.RemoveThis@hotmail.com> wrote in message
news:bSfSb.88613$f97.4020@fe3.columbus.rr.com...
 > FYI, just for fun, here is a Sisoftware Sandra file system benchmark
 > of a local Linux RAM disk. Sandra is running under the windows
 > emulator WINE on the the boot-from-CD Linux operating system called
 > Knoppix 3.3.
 ><!-- ~MESSAGE_AFTER~ -->

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Arno Wagner

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Since: Nov 07, 2003
Posts: 1693



(Msg. 3) Posted: Fri Jan 30, 2004 4:30 am
Post subject: Re: ramdisk benchmark [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Previously Eric Gisin <ericgisin DeleteThis @graffiti.net> wrote:
 > I bet running it on Win 2K/XP with the Microsoft RAM disk would be even
 > faster. Search for it on the Microsoft support page.

Unlikely. These are realistic raw RAM-Speeds for the measurement
platform. So unless MS fakes the reads/writes, there is no way
they could be much faster.

Arno

 > "Shailesh Humbad" <humbads1 DeleteThis @hotmail.com> wrote in message
 > news:bSfSb.88613$f97.4020@fe3.columbus.rr.com...
  >> FYI, just for fun, here is a Sisoftware Sandra file system benchmark
  >> of a local Linux RAM disk. Sandra is running under the windows
  >> emulator WINE on the the boot-from-CD Linux operating system called
  >> Knoppix 3.3.
  >>


--
For email address: lastname AT tik DOT ee DOT ethz DOT ch
GnuPG: ID:1E25338F FP:0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F
"The more corrupt the state, the more numerous the laws" - Tacitus<!-- ~MESSAGE_AFTER~ -->
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Eric Gisin1

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Since: Nov 30, 2003
Posts: 276



(Msg. 4) Posted: Fri Jan 30, 2004 4:30 am
Post subject: Re: ramdisk benchmark [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Arno Wagner" <me.RemoveThis@privacy.net> wrote in message
news:bvcc36$qpbc7$2@ID-2964.news.uni-berlin.de...
 > Previously Eric Gisin <ericgisin.RemoveThis@graffiti.net> wrote:
  > > I bet running it on Win 2K/XP with the Microsoft RAM disk would be even
  > > faster. Search for it on the Microsoft support page.
 >
 > Unlikely. These are realistic raw RAM-Speeds for the measurement
 > platform. So unless MS fakes the reads/writes, there is no way
 > they could be much faster.
 >
Sure Arnie. You're the resident Windows expert now?

If you run a Win app under Wine, there is going to be extra overhead.<!-- ~MESSAGE_AFTER~ -->
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Shailesh Humbad

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Since: Jan 13, 2004
Posts: 26



(Msg. 5) Posted: Fri Jan 30, 2004 6:18 am
Post subject: Re: ramdisk benchmark [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Here's another bench, this time running under XP Pro SP1a.
The ram drive software is RamDisk Plus 7.0 by SuperSpeed.com,
optimized for AMD and costing $100. Sandra benchmark runs faster from
Linux even though it is running under emulation!! Granted this is not
a scientific test, but it is a real-world data point that anyone can
try easily. BTW, I tried almost all the freeware RamDisk programs on
the Internet (including that Microsoft one), and they all either
crashed, didn't install, or had severe limitations.

DRIVE INDEX: 460,297 kB/s

Benchmark Breakdown
Buffered Read : 622 MB/s
Sequential Read : 450 MB/s
Random Read : 449 MB/s
Buffered Write : 590 MB/s
Sequential Write : 449 MB/s
Random Write : 450 MB/s

Drive
Drive Type : Hard Disk
Total Size : 599MB
Free Space : 599MB, 100%

Eric Gisin wrote:
 > I bet running it on Win 2K/XP with the Microsoft RAM disk would be even
 > faster. Search for it on the Microsoft support page.<!-- ~MESSAGE_AFTER~ -->
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