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Questions tagged [superfetch]

SuperFetch is a technology that pre-loads commonly used applications into memory to reduce their load times. It is based on the "prefetcher" function in Windows XP.

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What is svchost.exe (LocalSystemNetworkRestricted) when I see it in the Resource Monitor in Windows vista and why is it slowing me down?

Sometimes, when my computer is frozen and just about unusable, it seems that the cause is some heavy background processing. Sometimes, I can catch who is using all my disk-bandwidth using Resource Monitor (such details are not shown in task…
Warren P
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Any solid reason to turn off Superfetch and Prefetch for SSD?

Microsoft or other places suggest to turn off SuperFetch if you use SSD, like this one: http://support.microsoft.com/kb/2727880 But with SuperFetch and Prefetch: There isn't any access write to SSD involve, while access read for SSD suppose to be…
laughingthunder
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What is the rationale behind disabling Superfetch on SSD systems?

I understand that Superfetch was designed to use RAM for caching with HDDs in mind due to their high latencies, something that SSDs don't have. However, I don't understand how an SSD could outperform RAM. Does Windows 7 automatically disable…
Louis Waweru
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Should I enable or disable Prefetch/SuperFetch with my new SSD?

I recently got a new Samsung SSD. It comes with software called "Samsung Magician". Basically it lets you configure things with your new SSD. I'm really confused about Prefetch/SuperFetch though. This is an image of the "General overview": When I…
Jon
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How can I make Windows 7 ReadyBoost persistent?

Is there a way to make Windows 7 to keep the ReadyBoost cache across a reboot (and not encrypt it or keep the encryption key across the reboot) - so that ReadyBoost could actually boost the boot up speed instead of slowing it down by rebuilding the…
Kert Tamm
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Is SSD better than Superfetch?

So I'm building a new machine... Which configuration would give me a faster machine: 8 Gb of RAM An SSD, but with 4 Gb of ram Should I add more memory (8 Gb instead of 4Gb) to better make use of superfetch, or should I invest in a good SSD drive?
Thierry Roy
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Intel SRT vs Superfetch

I'm about to retire my old computer, and replace it with a new Sandy Bridge build. I pretty much settled for a Z68 motherboard, but I couldn't decide if I will get solid-state drive (for use with Intel's Storage Response Technology), or just spend…
Herson
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How can I keep a file in Windows 7's cache?

Sometimes you know better than Windows what files will be re-used later. Suppose you have 8GB of memory, and you use the same 1GB file every hour in an I/O-bound application (which takes 1 second to finish if the file is cached, and 1 minute if…
netvope
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Is there a way to reset SuperFetch?

I recently doubled the amount of RAM in a Windows 7 box and I want to ensure I'm taking full advantage of it. Is there a way to reset SuperFetch?
oz10
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Loading specific application using SuperFetch in Windows 7

SuperFetch feature loads most frequently used applications into RAM to make faster loading time for those apps. Is there any way to tell SuperFetch service to load specific apps into RAM in Windows 7? For example, I'd like to load a game into RAM…
Donotalo
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Windows SuperFetch service for SSD + HDD mixed systems

The guides are floating around the web stating that Windows 7 automatically disables SuperFetch if it finds that disk is SSD. However, my SSD is only 60GB, and I still have 3 TB of storage on HDDs containing video games, utilities and assorted…
boomie
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Should I be worried about my Prefetch/SuperFetch settings in Windows 7 on a SSD drive?

I just installed Windows 7 on my new OCZ Vertex 2. I heard that Win7 is optimized for use with SSDs and disables the prefetcher if one is detected, but I decided to check anyway. So I looked…
neuviemeporte
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4GB to 8GB RAM, what performance increase?

I am wondering whether it is worth upgrading from 4 GB to 8 GB of RAM. I know the question has been asked many times, but I can't transpose that to my case. I'm using Windows 7 64-bit. I did a test and launched all the software that I have almost…
user978548
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Why Superfetch and Prefetch on Windows 8.1 cause high disk activity on Pagefile disk?

I have an SSD running Windows 8.1 Pro x64, which only has 128GB. To leave it a little more free, I have left only 200MB of Pagefile in it. I have another HDD which has 1TB. In it, I made a new partition (mounted on P:) with 10GB. I've successfully…
Ismael Miguel
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Force Windows to cache executables without running them?

Is there a way to force Windows to pre-load certain EXE/DLL binaries into its prefetch/superfetch cache as if they had been executed? I have a particular application that loads pretty slowly on first run but if it's "warm" (recently executed) it…
Josh
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