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Performance and Maintainance of Windows Vista A forum for performance and maintenance tasks in Windows Vista. (microsoft.public.windows.vista.performance_maintainance)

super prefetch causing slow system



 
 
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  #1 (permalink)  
Old September 8th 08, 08:34 PM posted to microsoft.public.windows.vista.performance_maintenance
Dutch 64
external usenet poster
 
Posts: 1
Default super prefetch causing slow system


Hello, i have got a problem prefetch is giving me a hard time the first
2 minutes after i started up my system. I dont understand why after 7
months of using ultimate 64 its causing such lag ?? Is it because there
are more and more programs installed or what . I know i can turn it off
but i dont whant to.

My system specs :
gigabyte ga x38 dq6
intel q6600
8 gig g.e.i.l ddr2 800 memory
2x500 samsung spinpoint in raid0
8800gts 320mb


--
Dutch 64
  #2 (permalink)  
Old September 8th 08, 08:50 PM posted to microsoft.public.windows.vista.performance_maintenance
Paul Montgomery[_3_]
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Posts: 749
Default super prefetch causing slow system

On Mon, 8 Sep 2008 15:34:47 -0500, Dutch 64
wrote:


Hello, i have got a problem prefetch is giving me a hard time the first
2 minutes after i started up my system. I dont understand why after 7
months of using ultimate 64 its causing such lag ?? Is it because there
are more and more programs installed or what . I know i can turn it off
but i dont whant to.


What makes you think it's Superfetch?

My system specs :
gigabyte ga x38 dq6
intel q6600
8 gig g.e.i.l ddr2 800 memory
2x500 samsung spinpoint in raid0
8800gts 320mb


  #3 (permalink)  
Old September 8th 08, 09:38 PM posted to microsoft.public.windows.vista.performance_maintenance
Richard G. Harper
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Posts: 3,272
Default super prefetch causing slow system

Leave it alone, it's doing what it's supposed to. It's loading often-used
code into memory to attempt to speed up performance later. Let it be and
you'll be happier in the long run.

--
Richard G. Harper [MVP Shell/User]
* NEW! Catch my blog ...
http://msmvps.com/blogs/rgharper/
* PLEASE post all messages and replies in the newsgroups
* The Website - http://rgharper.mvps.org/


"Dutch 64" wrote in message
...

Hello, i have got a problem prefetch is giving me a hard time the first
2 minutes after i started up my system. I dont understand why after 7
months of using ultimate 64 its causing such lag ?? Is it because there
are more and more programs installed or what . I know i can turn it off
but i dont whant to.

My system specs :
gigabyte ga x38 dq6
intel q6600
8 gig g.e.i.l ddr2 800 memory
2x500 samsung spinpoint in raid0
8800gts 320mb


--
Dutch 64


  #4 (permalink)  
Old September 8th 08, 11:05 PM posted to microsoft.public.windows.vista.performance_maintenance
mikeyhsd[_2_]
external usenet poster
 
Posts: 629
Default super prefetch causing slow system

personally I always turn it off.

editing the registry to do so.

system is happier, faster and does not stutter like this.
using 64 bit ultimate with 4 gb of memory.

you might try simply deleting the contents of the prefetch folder.
just the contents not the folder.
it is a sub folder under windows.

the system will begin rebuilding the contents on the first reboot.










"Dutch 64" wrote in message ...

Hello, i have got a problem prefetch is giving me a hard time the first
2 minutes after i started up my system. I dont understand why after 7
months of using ultimate 64 its causing such lag ?? Is it because there
are more and more programs installed or what . I know i can turn it off
but i dont whant to.

My system specs :
gigabyte ga x38 dq6
intel q6600
8 gig g.e.i.l ddr2 800 memory
2x500 samsung spinpoint in raid0
8800gts 320mb


--
Dutch 64
  #5 (permalink)  
Old September 8th 08, 11:49 PM posted to microsoft.public.windows.vista.performance_maintenance
Richard Urban
external usenet poster
 
Posts: 5,520
Default super prefetch causing slow system

With 8 gig of RAM Superfetch does little to nothing for you. Turn it off.

--

Richard Urban
Microsoft MVP
Windows Desktop Experience


"Dutch 64" wrote in message
...

Hello, i have got a problem prefetch is giving me a hard time the first
2 minutes after i started up my system. I dont understand why after 7
months of using ultimate 64 its causing such lag ?? Is it because there
are more and more programs installed or what . I know i can turn it off
but i dont whant to.

My system specs :
gigabyte ga x38 dq6
intel q6600
8 gig g.e.i.l ddr2 800 memory
2x500 samsung spinpoint in raid0
8800gts 320mb


--
Dutch 64


  #6 (permalink)  
Old September 8th 08, 11:56 PM posted to microsoft.public.windows.vista.performance_maintenance
Richard Urban
external usenet poster
 
Posts: 5,520
Default super prefetch causing slow system

Oops. I was thinking ReadyBoost.

The more RAM you have the more frequently used programs will load at startup
when using prefetch.

I only prefetch my boot programs. I don't prefetch my frequently used
programs. This make startup a bit quicker.

--

Richard Urban
Microsoft MVP
Windows Desktop Experience


"Dutch 64" wrote in message
...

Hello, i have got a problem prefetch is giving me a hard time the first
2 minutes after i started up my system. I dont understand why after 7
months of using ultimate 64 its causing such lag ?? Is it because there
are more and more programs installed or what . I know i can turn it off
but i dont whant to.

My system specs :
gigabyte ga x38 dq6
intel q6600
8 gig g.e.i.l ddr2 800 memory
2x500 samsung spinpoint in raid0
8800gts 320mb


--
Dutch 64


  #7 (permalink)  
Old September 9th 08, 12:13 AM posted to microsoft.public.windows.vista.performance_maintenance
DDW[_2_]
external usenet poster
 
Posts: 189
Default super prefetch causing slow system

"Richard Urban" wrote:

I only prefetch my boot programs. I don't prefetch my frequently used
programs.


How do you do that?

DDW
--
Reply via this group
No email please
  #8 (permalink)  
Old September 9th 08, 01:00 AM posted to microsoft.public.windows.vista.performance_maintenance
Richard Urban
external usenet poster
 
Posts: 5,520
Default super prefetch causing slow system

Registry hack!

Copy the below (between the asterisks) to a text file in notepad. Then save
as xxxxxx.reg

Run the file for the changes.


*********************************

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Se ssion Manager\Memory
Management\PrefetchParameters]
"BootId"=dword:00000046
"BaseTime"=dword:0ca25fa5
"VideoInitTime"=dword:0000000f
"EnableSuperfetch"=dword:00000001
"EnablePrefetcher"=dword:00000003
"EnableBootTrace"=dword:00000000

*********************************

The line "EnableSuperfetch"=dword:00000001 is the key

The default is dword:00000003 which caches all

dword:00000001 is boot files only

--

Richard Urban
Microsoft MVP
Windows Desktop Experience


"DDW" wrote in message
...
"Richard Urban" wrote:

I only prefetch my boot programs. I don't prefetch my frequently used
programs.


How do you do that?

DDW
--
Reply via this group
No email please


  #9 (permalink)  
Old September 9th 08, 04:19 AM posted to microsoft.public.windows.vista.performance_maintenance
DDW[_2_]
external usenet poster
 
Posts: 189
Default super prefetch causing slow system

"Richard Urban" wrote:

Registry hack!

Copy the below (between the asterisks) to a text file in notepad. Then save
as xxxxxx.reg


Thanks! But that doesn't look like a ".reg" file: it's missing
"Windows Registry Editor Version 5.00".

I changed "EnableSuperfetch" manually.

Run the file for the changes.


*********************************

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Se ssion Manager\Memory
Management\PrefetchParameters]
"BootId"=dword:00000046
"BaseTime"=dword:0ca25fa5
"VideoInitTime"=dword:0000000f
"EnableSuperfetch"=dword:00000001
"EnablePrefetcher"=dword:00000003
"EnableBootTrace"=dword:00000000

*********************************

The line "EnableSuperfetch"=dword:00000001 is the key

The default is dword:00000003 which caches all

dword:00000001 is boot files only


DDW
--
Reply via this group
No email please
  #10 (permalink)  
Old September 9th 08, 04:53 AM posted to microsoft.public.windows.vista.performance_maintenance
Richard Urban
external usenet poster
 
Posts: 5,520
Default super prefetch causing slow system

You're right. I left that out. It should be as follows:

****************************************

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Se ssion Manager\Memory
Management\PrefetchParameters]
"BootId"=dword:00000046
"BaseTime"=dword:0ca25fa5
"VideoInitTime"=dword:0000000f
"EnableSuperfetch"=dword:00000001
"EnablePrefetcher"=dword:00000003
"EnableBootTrace"=dword:00000000

****************************************

--

Richard Urban
Microsoft MVP
Windows Desktop Experience


"DDW" wrote in message
...
"Richard Urban" wrote:

Registry hack!

Copy the below (between the asterisks) to a text file in notepad. Then
save
as xxxxxx.reg


Thanks! But that doesn't look like a ".reg" file: it's missing
"Windows Registry Editor Version 5.00".

I changed "EnableSuperfetch" manually.

Run the file for the changes.


*********************************

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Se ssion Manager\Memory
Management\PrefetchParameters]
"BootId"=dword:00000046
"BaseTime"=dword:0ca25fa5
"VideoInitTime"=dword:0000000f
"EnableSuperfetch"=dword:00000001
"EnablePrefetcher"=dword:00000003
"EnableBootTrace"=dword:00000000

*********************************

The line "EnableSuperfetch"=dword:00000001 is the key

The default is dword:00000003 which caches all

dword:00000001 is boot files only


DDW
--
Reply via this group
No email please


 




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