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  1. #1
    EmuTalk Member emusa's Avatar
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    shader cache build up

    Hey Metallic and others,

    Demul builds up the shader cache when you play a game, this causes stuttering. Other emulators, like Dolphin (Ishiiruka fork) and Cemu have the option to download preload shader cache. Is this possible for Demul as well? Would be SO great, since it eliminates almost all stutter when cache is available.

    Buy the way, the Vsync in Demul works great now! I don't now for how long, but in Windows 10 with my GTX780 it doesn't cause the hiccups that it once did
    CPU: Intel i5 3570k @4.2ghz
    GPU: ASUS GTX 780 @1140/6600
    SSD: Samsung 850EVO 500gb
    PSU: Corsair CS750M
    CASE: Lian-Li PC-Q08 CASE
    OS: Windows 7 x64

  2. #2
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    Quote Originally Posted by emusa View Post
    Hey Metallic and others,

    Demul builds up the shader cache when you play a game, this causes stuttering. Other emulators, like Dolphin (Ishiiruka fork) and Cemu have the option to download preload shader cache. Is this possible for Demul as well? Would be SO great, since it eliminates almost all stutter when cache is available.

    Buy the way, the Vsync in Demul works great now! I don't now for how long, but in Windows 10 with my GTX780 it doesn't cause the hiccups that it once did
    I had my eye on this thread for a while. I have hardware similar to yours. And I too was experiencing those stutters that you speak of.

    I finally overcame the issue. DEMUL HATES SSDS!! I was experienciing game breaking stutters of 30fps.(due to shader cache buildup perhaps?). Once I moved demul over to my 7200rpm hdd....the shader lag was reduced drastically to about 2-3fps at a time. HUGE IMPROVEMENT and hardly gamebreaking. Hopefully this helps you and others!

  3. #3
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    Only two words: Ram Drive...
    Make a Ram Drive and put there all the Demul files except the roms (in order to sabe space) and you'll see some real improvement

  4. #4
    EmuTalk Member emusa's Avatar
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    Thanks for the response, will try it out some time.
    CPU: Intel i5 3570k @4.2ghz
    GPU: ASUS GTX 780 @1140/6600
    SSD: Samsung 850EVO 500gb
    PSU: Corsair CS750M
    CASE: Lian-Li PC-Q08 CASE
    OS: Windows 7 x64

  5. #5
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    Quote Originally Posted by meshflesh View Post
    I had my eye on this thread for a while. I have hardware similar to yours. And I too was experiencing those stutters that you speak of.

    I finally overcame the issue. DEMUL HATES SSDS!! I was experienciing game breaking stutters of 30fps.(due to shader cache buildup perhaps?). Once I moved demul over to my 7200rpm hdd....the shader lag was reduced drastically to about 2-3fps at a time. HUGE IMPROVEMENT and hardly gamebreaking. Hopefully this helps you and others!
    UPDATE: upon further inspection...ive come to the following conclusion. Games run badly off of my m2 ssd specifically. Every other sata ssd/hdd runs smooth.

    So for me the problem was running demul off of m2 ssd.

  6. #6
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    Believe me: Ram Drive...

  7. #7
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    Quote Originally Posted by sky25es View Post
    Only two words: Ram Drive...
    Make a Ram Drive and put there all the Demul files except the roms (in order to sabe space) and you'll see some real improvement
    Thanks for this suggestion. Using a RAM drive made a noticeable difference in performance on my laptop.

  8. #8
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    See ? Ram is alway faster tan any hard drive, including SSD's. Therefore, using a Ram Drive is the way to go with Demul. Just store the rom and disc-image files in a normal Hard drive and make a Ram Drive just big enough to accomodate the shader cache.

    P.S.: BTW: Ramdisk = Ramdrive

    Last edited by sky25es; September 10th, 2017 at 13:37.

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