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  • 1.  Virtual Output Output Performance

    Posted 09-13-2021 14:18
    We use a scene designed for the Virtual Output as a production tool, so it's important to be pretty low impact on XPression as a whole as to not affect production.
    In the past, I've seen some small settings have wildly different effects on the Output Performance, but this specific instance is pretty extreme.

    Normally, the performance sits at around 2%, which is perfect.

    But very oddly, if I minimize the Virtual Output window, the performance explodes up to almost 80%!

    Other options tend to make smaller but beneficial differences, my current Virtual Output Settings are:


    I also do things like convert this specific scene template down to only 1280x720 (compared to normal production scenes being at 1080i), and in this specific project, the Status Tool scene is actually made up of eight even smaller templates (480x360) that I'm using as RenderView materials in the one master scene.

    If anyone has any insight into why the performance explodes when minimized, or even better ways to handle what I'm doing (bringing the same data directly into a dashboard custom panel instead is on my radar, just outside of my experience at the moment), I'm all ears!
    Thanks!

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    Mike DeMarco
    Video Production Engineer
    Las Vegas United States
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  • 2.  RE: Virtual Output Output Performance

    Ross Staff
    Posted 10-12-2021 16:09
    Hi Mike,

    What version of Xpression Graphite are you using when you see this happen?

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    Sven Whitesell
    Product Specialist
    Ross Video
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  • 3.  RE: Virtual Output Output Performance

    Posted 10-12-2021 17:31
    Hey Sven,
    All of our XPression installs are running on 64x v10, ​build 5262.

    I'll add that this is something isn't completely repeatable. It wasn't just the one instance, and while it pops backup sometimes between reboots, it's not always happening. We've had similar unrepeatable effects on other projects and systems that use similar Status Tool scene features.
    But, nothing unmanageable or taking us off air or anything.

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    Mike DeMarco
    Video Production Engineer
    Las Vegas United States
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  • 4.  RE: Virtual Output Output Performance

    Ross Staff
    Posted 12-07-2021 11:44
    Hi Mike,

    My apologies this completely slipped my mind! 

    If you are still encountering this issue from time to time, try rebuilding that scene without using render views. XPression is rendering every scene included through render views while that scene goes online. It would be easier on performance to have just one scene render with all the data built in that scene. 

    Sorry about the delayed response!

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    Sven Whitesell
    Product Specialist
    Ross Video
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