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Allowing VW to use more RAM on Windows


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  • Vectorworks, Inc Employee

Out of the box the Windows version can use up to about 2 GB of RAM before running out of memory, whereas the Mac can use up to 3GB before running into problems.

For 2009 we enabled VW to recognize what is called the "/3GB switch" on Windows, that allows VW to use 1GB more than the default. Here is the info to enable the additional 1GB:

http://kbase.vectorworks.net/questions/663/Windows+3GB+Switch

Enabling more RAM for VW can limit the memory available for Windows system resources, which could potentially cause stability problems. For this reason we intended to provide the info for users who report persistent out of memory problems while rendering and not recommend that all users enable the switch.

Those of you who have persistent out of memory cases on Windows might consider trying this.

Hope this helps,

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