Windows 10: Disable Prefetch & Superfetch

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  1. TairikuOkami's Avatar
    Posts : 3,333
    10.6 Home 1809 x64
       11 Dec 2017 #41

    Disable pagefile/superfetch and setup RAMDisk for high disk usage apps, like for a browser cache.



    AMD Radeon(TM) RAMDisk gives 4GB for free.
      My ComputerSystem Spec


  2. Posts : 605
    Windows 10 Home SL 64-bit, v1803
       11 Dec 2017 #42

    You should only disable superfetch if your system's RAM is 8GB. It only makes sense at 4GB.

    If I am right, superfetch caches applications which you use in order. (eg. When you start up your PC, log on to an account the first thing you open is firefox, next a game, etc..)
      My ComputerSystem Spec

  3.    11 Dec 2017 #43

    RoasterMen said: View Post
    You should only disable superfetch if your system's RAM is 8GB. It only makes sense at 4GB.

    If I am right, superfetch caches applications which you use in order. (eg. When you start up your PC, log on to an account the first thing you open is firefox, next a game, etc..)
    I think you mixed it up with Virtual Memory, amount of RAM has nothing to do with superfetch/prefetch.
      My ComputersSystem Spec

  4.    11 Dec 2017 #44

    TairikuOkami said: View Post
    Disable pagefile/superfetch and setup RAMDisk for high disk usage apps, like for a browser cache.



    AMD Radeon(TM) RAMDisk gives 4GB for free.
    Ramdisks are really not needed these days with Windows 10 compressed memory, particularly with SSDs.
      My ComputerSystem Spec

  5.    11 Dec 2017 #45

    if i don't like anything its done I just untick it and hit apply again, it has always gone back to the old setting
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  6. TairikuOkami's Avatar
    Posts : 3,333
    10.6 Home 1809 x64
       11 Dec 2017 #46

    cereberus said: View Post
    Ramdisks are really not needed these days with Windows 10 compressed memory, particularly with SSDs.
    RAMDisk is particularly useful, if someone has concerns about SSD's lifetime. It can be used for prefetch files as well.
      My ComputerSystem Spec

  7.    11 Dec 2017 #47

    Hi,

    RAMDisk is particularly useful, if someone has concerns about SSD's lifetime. It can be used for prefetch files as well.
    They sure are fast and if you have RAM to spare, why not ?
    But the days SSDs wore out pretty fast are long gone and most are pretty fast, especially the NVMe ones nowadays.

    Cheers,
      My ComputersSystem Spec

  8.    12 Dec 2017 #48

    But RAM disks lose everything when you power off. Not really good candidates for caches.
      My ComputerSystem Spec

  9. Cliff S's Avatar
    Posts : 21,250
    Win10 Pro, Win10 Pro N, Win10 Home, Win10 Pro Insider Fast Ring, Windows 8.1 Pro, Ubuntu
       12 Dec 2017 #49

    eLPuSHeR said: View Post
    But RAM disks lose everything when you power off. Not really good candidates for caches.
    The RAM disk programs out there today, have settings, where a copy of the disk contents will be written to your hard drive(and usually drive of choice) after a certain amount of time(i.e. 10 min., 30 min. and so on) plus an option of have the contents written at system shut down.

    I have played with one before and found it Kludgy, as it slowed boot and shutdown immensely(while waiting for contents to be written and read at shutdown & boot).
      My ComputersSystem Spec

  10.    12 Dec 2017 #50

    TairikuOkami said: View Post
    RAMDisk is particularly useful, if someone has concerns about SSD's lifetime. It can be used for prefetch files as well.
    Using a RAM disk just decreases RAM available for use, increasing paging unless user has plenty of RAM. When will people stop perpetuating stuff about writing life issues with SSDS. Things have moved on.
      My ComputerSystem Spec


 
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