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Windows 7: Superfetch

25 Apr 2009   #1
12eason

Windows 7077
 
 
Superfetch

Have they changed its code in some fundamental way? I always used to have to disable it eventually on vista as it was very greedy with ram, quite frequently leaving me with very little head room. But, on W7 it seems incredibly well behaved. It's almost as if is not enabled.


My System SpecsSystem Spec
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25 Apr 2009   #2
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

How much RAM do you have installed?




















Later Ted
My System SpecsSystem Spec
25 Apr 2009   #3
12eason

Windows 7077
 
 

A pultry 1.5GB atm and vista quite frequently went to 60-70% with nothing running. W7 stays closer to 35%.
My System SpecsSystem Spec
.


25 Apr 2009   #4
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Here's a couple, scroll down on the first one.

Engineering Windows 7

and a second.

http://www.sevenforums.com/performan...i-love-7-a.htm

Here's this.

Welcome to Windows 7










Later Ted
My System SpecsSystem Spec
25 Apr 2009   #5
Chappy

Vista Ult 64bit - Windows 7 Ult 7264 64bit
 
 

Superfetch only uses the RAM when the system doesn't require it, it will page it out if the system wants more RAM so you don't have to disable it

Superfetch using the RAM when possible is a good thing actually, why waste it if it's not being used..put it to good use.
My System SpecsSystem Spec
25 Apr 2009   #6
12eason

Windows 7077
 
 

Funny how, on modest systems, XP is still faster than vista without superfetch and indeed vista is faster than vista without superfetch. It's almost as if the process isn't as good in practice as the theory would suggest. In practice, superfetch causes the system to go to the page file more often.
My System SpecsSystem Spec
25 Apr 2009   #7
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

My System SpecsSystem Spec
25 Apr 2009   #8
12eason

Windows 7077
 
 

Quote   Quote: Originally Posted by Bare Foot Kid View Post
Sorry, did you have a point? I missed it.
My System SpecsSystem Spec
25 Apr 2009   #9
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Quote   Quote: Originally Posted by 12eason View Post
Sorry, did you have a point? I missed it.
I've been in too many SuperFetch discussions and there's nothing to be gained by participating in another one; I'm sorry I tried to help.













Later Ted
My System SpecsSystem Spec
25 Apr 2009   #10
12eason

Windows 7077
 
 

Well, getting back OT, I'm worried that all they've actually done is disabled the part of the code that made it behave so poorly in vista for the duration of the beta, because it clearly doesn't swallow 50% of memory anymore. How can it do its job if it's not actually caching anymore? I mean, if the current implementation is now the standard, does that mean MS finally realised it wasn't the correct way to do things previously?
My System SpecsSystem Spec
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