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Linux kernel patch can boost the Steam Deck's 1% low frame rate by as much as 31% in early testing (www.pcgamer.com)
submitted 3 months ago by to c/linux@programming.dev
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[–] 33 points 3 months ago (2 children)

To clarify further: They aren't saying "1%" they are saying "1% lows". If you only take the bottom (lowest) 1% of all frame rate measurements (and average them), that is what this refers to. The reason this is important is that it gives a good indication if a game "feels laggy". Occasional dips to low fps or stutters in general will lower this number.

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  • [–] 9 points 3 months ago

    And to add even more, the reason this is important, is because in-game fps counters/overlays use an average over a short period. Quick lag spikes can make a game feel horrible while the counter displays a solid 60fps.

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  • [–] 2 points 3 months ago

    If you only take the bottom (lowest) 1% of all frame rate measurements (and average them)

    I don't think that is the methodology. I think it is taking the 99th percentile frame time. So basically if took the time it took to generate every single frame this is the time that 99% of frames were faster than and 1% were slower than.

    If this number goes down it means that the worst frames are less bad. This is a pretty important part of the experience as even if you have good average frame time (and decent FPS) having a few slow frames really makes the game feel choppy and can make precise inputs difficult.

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