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Standard deviation and/or variance in OSD

Discussion in 'Rivatuner Statistics Server (RTSS) Forum' started by dimonoid, Feb 19, 2019.

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  1. dimonoid

    dimonoid Member

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    Hello, I was just wondering if it is possible to display Standard deviation and/or Variance of last lets say last 100 frame times in real time? Also, are there any ways to add custom formulas for displaying in OSD? Thanks.
    PS: to developers if anyone will ever see this post, is implementing such a feature possible or is planned? It would be really helpful for comparing different systems and for tweaking the frametimes stability.
     
  2. Andy_K

    Andy_K Master Guru

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    GPU:
    MSI GTX 960 OC
    In MSI-AB under Monitoring:
    [​IMG]
     
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  3. dimonoid

    dimonoid Member

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    Are there any ways to access previous values of frame times? This correction formula is using only current values.
    Also, how do I find sum of previous 100 values?
     
  4. Unwinder

    Unwinder Moderator Staff Member

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    Hardware monitoring correction formulas do not allow you to access previous history, you can only access current sampled value or current values from siblings. And even if it was possible to access previous data at this level, it would be stupid to attempt to calc std by hardware monitoring buffers, which do not contain per-frame data and which is sampled with different rate.
    Refer to RTSSFrametimePipeSampe, it is showing you how to implement your own realtime processing of frametimes stream. So you can calculate std or anything else you need and then display it in OSD.
     

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