Subnautica using 8 - 10 GB RAM

kekkinkekkin Join Date: 2015-12-19 Member: 210106Members
in Subnautica Bug Reporting
http://i.imgur.com/lae5Ozn.png

Thought I should share this. I've been noticing that Subnautica has been using way too much RAM. In the areas of 8 - 10 GB which increases the longer the game is being played. I have 16GB of RAM on my system and usually have 4GB taken up by Skype, Chrome, Steam etc and this leaves me with a pathetic 2GB RAM available whenever Subnautica is running. This surely cannot be proper? Even Space Engineers uses less RAM at times than this.
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Comments

  • MyrmMyrm Sweden Join Date: 2015-08-16 Member: 207210Members
    Yes, I find this too. A suggestion; shut Skype down when playing SN. Do you really need Skype running in the background whilst playing the game? That would free up 4GB of RAM.
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  • kekkinkekkin Join Date: 2015-12-19 Member: 210106Members
    Well, you make a valid point indeed. However, I would argue that one of the benefits of PC gaming and using a PC in general is the ability to run multiple tasks at once. Tabbing out every once in a while to check my skype or social media is helpful and I do so on every other game I own. I wouldn't say the problem here is on my end. I mean, I can ARMA 3 on high settings and it'll use less RAM than Subnautica presently does.

    I understand it is early access, but I must wonder why huge, resource-hogging games like ARMA 3 use less RAM and yet Subnautica uses so much. I thought I should just point this out, as optimization is always handy in any given game.
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  • DC_DarklingDC_Darkling Join Date: 2003-07-10 Member: 18068Members, Constellation, Squad Five Blue, Squad Five Silver
    Well im not surprised or worried about the memory usage yet.
    So far I understand, the more you build the more mem it needs to store the changes.

    Feel free to correct me on it though.
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  • kekkinkekkin Join Date: 2015-12-19 Member: 210106Members
    I think its: The more you explore, the more memory usage. In my observations anyways.
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  • ObraxisObraxis Subnautica Animator & Generalist, NS2 Person Join Date: 2004-07-24 Member: 30071Super Administrators, Forum Admins, NS1 Playtester, Forum Moderators, NS2 Developer, Constellation, NS2 Playtester, Squad Five Silver, WC 2013 - Supporter, Subnautica Developer, Pistachionauts
    This looks like a memory leak. Would be interesting to see if you can reproduce this with reproduction steps after a reboot of your PC.
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  • kekkinkekkin Join Date: 2015-12-19 Member: 210106Members
    I can reproduce this with the following steps:

    1) Launch Subnautica
    2) Open the game (New or existing save doesn't matter)
    3) Explore the world in a sufficient/large quantity ( I find that more exploration leads to more memory leakage)
    4) Monitor the leak via task manager as you explore the world to find the extent of the leak

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  • MyrmMyrm Sweden Join Date: 2015-08-16 Member: 207210Members
    I do find that Subnautica, as much as I love it, is a vary resource hungry game; in fact the most resource hungry I have, and I often play big games like Skyrim, Elite Dangerous Horizons, Fallout 4 and such. Of those games SN is the only one in which I get graphics lagging.
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  • paradineparadine usa Join Date: 2015-09-18 Member: 208004Members
    I have proven a memory issue. The game is not releasing data for an area when you leave it (even though it has to re-render it when you come back) or go outside the maximum visual range. I would recommend that the devs implement a step in the game so that once you go 2x the set maximum visual range it releases all terrain, plant, and creature data while storing the data that involves what you changed and built to the cache area of the hdd (or even going as far as just saving it to your save file). This could reduce the overall memory usage by as much as 80%. (I suggested this to KSH for SpaceEngineers and they did it and it works.) You would just have to put a limit on the amount of hdd transfer capacity to keep it below 40% or the pc can freeze up for a short time if it is not fast enough.
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