Windows 10: Manually Flush memory cache ?

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  1.    11 Apr 2018 #11

    LMiller7 said: View Post
    Windows 10 is fully capable of clearing memory caches and buffers when necessary or desirable, and it will do a far better job than even the most expert user. There is no benefit in attempting to do so manually and this will in fact impair performance.
    Wrong.

    LMiller7 said: View Post
    The command mentioned in post #2 will in fact clear memory. But this is a thoroughly BAD idea which will impair performance. Windows is fully capable of clearing unused memory when needed.
    It isn't.

    LMiller7 said: View Post
    My advice would be to let Windows manage memory as it wishes. That is what the real experts do.
    I do not... I do not follow this advice.

    LMiller7 said: View Post
    The command:
    "%windir%\system32\rundll32.exe advapi32.dll,ProcessIdleTasks" as shown in the article linked to above does not in fact clear memory. It was never designed to do so. This is a myth that has been passed around the Internet since the early days of XP. I don't know where the idea came from as the official documentation made no mention of clearing memory. I have tried the command in XP and Windows 7 and can confirm this. Memory usage actually increased.

    This explains what the command really does:
    https://social.technet.microsoft.com/Forums/en-US/83e1d0cb-ca82-4703-afe0-9b23d97d3df6/what-does-rundll32exe-advapi32dllprocessidletasks-do?forum=mscomops


    The original Microsoft documentation is no longer available.
    Or as the say.... runs pending idle tasks. A long.. long description.

    Each time Windows's been running for some time, I have to reboot afresh or my very tasking game will crash at some point due to low memory. I prefer clearing RAM to boost performance.
      My ComputerSystem Spec

  2. Berton's Avatar
    Posts : 5,275
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint
       11 Apr 2018 #12

    Det said: View Post
    Each time Windows's been running for some time, I have to reboot afresh or my very tasking game will crash at some point due to low memory. I prefer clearing RAM to boost performance.
    Ditto!!!! The intent of rebooting a system is to turn off the power to the motherboard and RAM modules momentarily to clear any lingering issues and give everything a clean start. Storage in RAM is volatile, not like hard drives and SSDs, can't be saved when power is interrupted which in turn calls for the orderly shut down process of a computer. I'm not a gamer and can run for days without rebooting with the main exception that some long-term Internet browsing may need the reboot or may work by simply using Task Manager to End Task of the involved browser. Firefox used the have available an add-in item on the toolbar that could be clicked to restart FF to clear it memory but that went away with a newer version of FF, haven't checked for it lately.

    Upgrading this year-old computer from factory single-channel 8GB RAM to dual-channel 16GB RAM helps a lot.
      My ComputerSystem Spec

  3.    11 Apr 2018 #13

    I think Windows 10 has gotten really good with memory flushing. I have gone over 3 weeks without a reboot, all while gaming and doing daily tasks as well. I had 16GB ram since I got Windows 10 which might have helped. I keep a 1GB ram drive for my Chrome and FFox caches so it doesnt write to my SSD. All in all, I think the only time I have ever gotten low memory in Windows 10 was with that bogus Malwarebytes update couple months ago. It messed up nearly every PC that got it though.

    Last night I tried adding in 8GB of older ram that I had. It matched my 16GB in speed but with slower latency. Once I got into Windows I noticed it was not even dual channel. Opening some things was slower than before. I took it out and back to normal. Dual channel definitely helps a lot.
      My ComputerSystem Spec

  4. Berton's Avatar
    Posts : 5,275
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint
       11 Apr 2018 #14

    When I first plugged in the 2 8GB modules I still had single-channel but since this is my first new machine with the capability I had to rack my brain [big challenge] to recall the BIOS had to be reset to get dual-channel.
      My ComputerSystem Spec

  5.    11 Apr 2018 #15

    My first go around with dual channel.... I didn't read properly so I didn't know to put them slots 1 & 3 instead of together like I had them in 1 & 2 lol. I bashed my head until I read again how to properly do it for that motherboard.

      My ComputerSystem Spec


 
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