[cdt-dev] memory usage by macros during indexing

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[cdt-dev] memory usage by macros during indexing

From: "Kennedy, Stephen M (Steve)" <stevekennedy@xxxxxxxxxxxxxxxxxx>
Date: Thu, 20 Aug 2009 15:04:50 -0500
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Thread-topic: memory usage by macros during indexing

We have a source file that includes various generated header files that end up defining around a million short macros (e.g #define XYZ_FOO_BAR (12)). Indexing this file takes 500-600MB beyond what's currently in use so that while the rest of the project can be indexed with an -Xmx setting of 640m (or less), the addition of this file requires at least -Xmx900m (1g to be safe). Is the a bug in the indexing or something that is unavoidable?

Steve Kennedy

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