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Windows 7: Win7 32bit, Virtual Address Space, LAA Flag and U!

16 Oct 2009   #11


Quote   Quote: Originally Posted by ECH View Post
No problem thanks for the insight. It was my understanding that some developers may use a large address flag (32-bit games) to prevent the game from running out of address space. Thus improving stability (more or less).
A game is like any other process in this instance. If the memory needs are so large that the standard 2GB barrier becomes limiting, then at development time they may throw in extra logic for what to do when running on machines with an increased userVA.

Hence, it's more about increasing performance than stability. Even a non-LAA process is not meant to handle running into the standard 2GB limit by crashing - that's just bad design or (more likely) oversight. Instead, the process is meant to throttle itself so that it never absolutely runs out of space and dies.

Quote   Quote: Originally Posted by ECH View Post
I understand that just adding the flag for games that don't use the larger address space may cause problems. So that would be "at your own risk". In which the worst case scenario would be to remove the flag.
Yeah, that's analogous to giving a million bucks to a drug addict - you can't be quite sure how they'll react

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 Win7 32bit, Virtual Address Space, LAA Flag and U!

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