Review Request: Patch to reduce C++ memory consumption by removing DuContext* pointer from the AST

Alexander Dymo alexander.dymo at
Mon Feb 15 17:24:16 UTC 2010

2010/2/15 David Nolden <zwabel at>:
> Hmm but where does the performance loss come from? Normally we don't store the
> AST, and in such a case we also shouldn't build the parent-map, so it should
> not affect our normal usage.

No, that's not about parent pointer, that's about another pointer -
DuContext* pointer in AST class. If we don't store it there and use a
map, we have a 2% performance loss.

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