The problem is endemic to the Gamebryo engine and seems to have been passed down to the Creation engine that powers Skyrim, and it’s not going away any time soon. All of the companions need to be able to move around the world even when they are not in your current area, so they are all persistent references.”Īpparently the problem occurs on every system, but is most apparent on the PS3 because it divides its 512 megs of Ram between graphics and memory, while the Xbox 360 can allocate its full 512 megs to either purpose and the average gaming PC has dedicated memory for both functions. “These are objects that are immediately loaded with the game because we need to be able to reference them anywhere/everywhere in the world - even if the player is nowhere near the object. Additionally, we also have to deal with ‘persistent references,’ he continued. “Some areas will reset contents after three (game) days, but a lot of stuff lingers. When you load the save game, you’re loading all of those differences into resident memory.” “As the game modifies any placed instance of an object, those changes are stored off into what is essentially another. “It’s an engine-level issue with how the save game data is stored off as bit flag differences compared to the placed instances in the main. As you play, more and more changes are stored in the bit-field file system until, eventually, the file becomes too huge for the system to comfortably handle. Beware, humble reader, here be jargon.Įssentially, each action you take in Skyrim, be it punching a mammoth in the face or murdering women and decorating your house with their body parts, results in changes to the world which are stored in a bit field.
Answering user questions on Formspring, Sawyer gave a rather technical breakdown of the engine’s issues. Like Skyrim, both Fallout 3 and its not-quite-sequel Fallout: New Vegas have some pronounced lag and micro-stutter issues, most notably on the PS3. Sawyer, lead developer on Fallout: New Vegas, knows why. Skyrim is having some performance issues on the PS3 and Joshua E.
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