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.NET games, pointer scanner causes my computer to freeze

 
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SwaggaJackin'
Master Cheater
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Joined: 06 Nov 2009
Posts: 304

PostPosted: Wed Jul 20, 2011 11:34 am    Post subject: .NET games, pointer scanner causes my computer to freeze Reply with quote

Trying to use the pointer scan in Terraria causes my PC to use up all 4GB of ram and start using the page file after the progress bar gets about 1/16 of the way through. This causes my PC to run CONSIDERABLY slow. I have the temp dir set to a storage drive and also the pointer scan results going there as well, so I'm not running out of disk space.

WHy does this occur? The game doesn't take up much space in memory, yet if I specify a smaller memory chunk during the pointer scan (for instance 2FFFFFFF-3FFFFFFF) it won't freeze, but doing 00000000-7FFFFFFF causes the memory to be eaten up.

I've used pointer scans in games that take considerably more memory (Borderlands) and my PC will never dip over into the page file. Why does this appear to happen in .NET games like Terraria?

THanks.
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Dark Byte
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Joined: 09 May 2003
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PostPosted: Wed Jul 20, 2011 12:22 pm    Post subject: Reply with quote

the pointerscanner creates a map of every single pointer value it encounters and then uses that map to calculate all pointer paths. If the game has a lot of pointers (e.g extremely object oriented like .net and jit) the pointermap will be huge.

Try the 64-bit version of ce on a 64-bit windows version and install at least 6Gb ram (12 GB is recommended)

alternatively, try ce 5.6's pointerscanner. It is quit a bit slower because it doesn't make use of a linked list, but it does save 8 bytes for each pointer

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SwaggaJackin'
Master Cheater
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Joined: 06 Nov 2009
Posts: 304

PostPosted: Wed Jul 20, 2011 12:32 pm    Post subject: Reply with quote

I see, thanks.

Haha, 5.6 gives "Allocation error". I guess 4GB of ram isn't going to cut it.
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