Longhorn's most useful feature "leaked "as XP tweak

krsriraman

Junior Member
Jun 29, 2005
21
0
0
According to the article,--->Externer Link http://www.microsoft-watch.com/article2...838263,00.asp?kc=MWRSS02129TX1K0000535 the Voles in the Redmond Vole Hill will deliver some astounding features.

Those include the ability to launch apps 15% faster than Windows XP, boot PCs 50% faster, patch systems with 50% fewer reboots, and let firms migrate to Longhorn 75% per cent faster.

The only reason why its faster is they added a superfetch feature to the prefetcher. If you look at the key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\SessionManager\Memory Management\Prefetcher

you will notice in windows xp;
EnablePrefetcher = 3
and you will notice in windows longhorn;
EnableSuperfetch = 1

Well, guess what? You can put the EnableSuperfetch = 1 in windows xp and get the same speed.

Wow, Microsoft just added a feature that was already there in xp.


From what I have been reading the tweak is designed for at least Windows XP SP2.

So maybe someone who has SP2 installed can see if improves anything.

One of the many claims Microsoft makes for Windows Longhorn is that it wil launch applications 15% faster than Windows XP does currently. This is down to improvements in the Prefetch functionality. There's no need to wait until Longhorn arrives; this improvement is already in Windows XP thanks to Service Pack 2. It just needs to be turned on.


To enable super prefetch:

* Use a registry editing tool (run>regedit) to navigate to the following key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Session Manager\Memory Management\PrefetchParameters
* Insert a value with the following details:

Data Type: DWORD
Value Name: EnableSuperfetch
Value: 1

* Reboot your computer for the changes to take effect

please back up the registry entry first before you do it.
 

Seeruk

Senior member
Nov 16, 2003
986
0
0
Nice find, but I would hardly call it Vista's most useful feature!

Virtual folders & extended attributes are those most useful to my clients from their initial reactions.

To my girlfriend the most useful feature is the Aero desktop of course :D
 

willstay

Member
May 4, 2005
83
0
0
EnablePrefetcher values
0 = Disabled
1 = Application launch prefetching enabled
2 = Boot prefetching enabled
3 = Applaunch & Boot enabled

I found Enterprise Windows 2003 has EnablePrefetcher set to value 2 as default.

You might also be interested in the following key on the same path
DisablePagingExecutive
When this value is set to DWORD 1, core system will be kept in memory and hence tremendous increase in speed. Warning : try only if you have more than 512 MB RAM.


Edit : DisablePaginExecutive's accurate path on registry. On my Windows 2003, it is set to DWORD 0.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\DisablePagingExecutive
 

cvela

Member
Nov 23, 1999
34
0
0
hmm.. I dont know, but it seems to load apps faster. But I wonder.... It is 2am
My PC didnt blow-up with the registry entry, so it appears safe to use.

thanks!
 

Stumps

Diamond Member
Jun 18, 2001
7,125
0
0
nope didn't work, it just made my taskbar load ten times slower

edit: just use this part of the tweak with winxp pro SP2

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Session Manager\Memory Management\PrefetchParameters
* Insert a value with the following details:

Data Type: DWORD
Value Name: EnableSuperfetch
Value: 1

it works a treat, everything loads much faster.
 

loup garou

Lifer
Feb 17, 2000
35,132
1
81
...and maybe if I forward this to 1000 people Bill Gates will give me a free copy of Vista!
 

dclive

Elite Member
Oct 23, 2003
5,626
2
81
Originally posted by: krsriraman
According to the article,--->Externer Link http://www.microsoft-watch.com/article2...838263,00.asp?kc=MWRSS02129TX1K0000535 the Voles in the Redmond Vole Hill will deliver some astounding features.

Those include the ability to launch apps 15% faster than Windows XP, boot PCs 50% faster, patch systems with 50% fewer reboots, and let firms migrate to Longhorn 75% per cent faster.

The only reason why its faster is they added a superfetch feature to the prefetcher. If you look at the key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\SessionManager\Memory Management\Prefetcher

you will notice in windows xp;
EnablePrefetcher = 3
and you will notice in windows longhorn;
EnableSuperfetch = 1

Well, guess what? You can put the EnableSuperfetch = 1 in windows xp and get the same speed.

Wow, Microsoft just added a feature that was already there in xp.


From what I have been reading the tweak is designed for at least Windows XP SP2.

So maybe someone who has SP2 installed can see if improves anything.

One of the many claims Microsoft makes for Windows Longhorn is that it wil launch applications 15% faster than Windows XP does currently. This is down to improvements in the Prefetch functionality. There's no need to wait until Longhorn arrives; this improvement is already in Windows XP thanks to Service Pack 2. It just needs to be turned on.


To enable super prefetch:

* Use a registry editing tool (run>regedit) to navigate to the following key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Session Manager\Memory Management\PrefetchParameters
* Insert a value with the following details:

Data Type: DWORD
Value Name: EnableSuperfetch
Value: 1

* Reboot your computer for the changes to take effect

please back up the registry entry first before you do it.

Logically speaking, doesn't everyone realize just how stupid this is? How stupid it would be if a single key, left untweaked in the retail build of a commercial OS, could increase the speed of much of anything (significant) by 50-75%?

C'mon folks - common sense!
 

yukichigai

Diamond Member
Apr 23, 2003
6,404
0
76
Originally posted by: dclive
Logically speaking, doesn't everyone realize just how stupid this is? How stupid it would be if a single key, left untweaked in the retail build of a commercial OS, could increase the speed of much of anything (significant) by 50-75%?
Incredibly stupid, which is why people can easily believe that Microsoft would do something like that.

 

bsobel

Moderator Emeritus<br>Elite Member
Dec 9, 2001
13,346
0
0
Logically speaking, doesn't everyone realize just how stupid this is? How stupid it would be if a single key, left untweaked in the retail build of a commercial OS, could increase the speed of much of anything (significant) by 50-75%?
C'mon folks - common sense!

The claim was 15% faster, not 50-75%....
 

dclive

Elite Member
Oct 23, 2003
5,626
2
81
Originally posted by: bsobel
Logically speaking, doesn't everyone realize just how stupid this is? How stupid it would be if a single key, left untweaked in the retail build of a commercial OS, could increase the speed of much of anything (significant) by 50-75%?
C'mon folks - common sense!

The claim was 15% faster, not 50-75%....

Claim clip:
boot PCs 50% faster, patch systems with 50% fewer reboots, and let firms migrate to Longhorn 75% per cent faster.
 

bsobel

Moderator Emeritus<br>Elite Member
Dec 9, 2001
13,346
0
0
Claim clip:
boot PCs 50% faster, patch systems with 50% fewer reboots, and let firms migrate to Longhorn 75% per cent faster.

The claim was this made the prefetcher faster which applied to the "Those include the ability to launch apps 15% faster than Windows XP". ;) Now, if someone thought this fix magically gave you all the spped improvements vs just the 15%, well then, better just turn in your computer now... Here's your sign..... ;)