[Issue 3463] Integrate Precise Heap Scanning Into the GC

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3463



--- Comment #49 from nfxjfg at gmail.com 2010-07-25 17:21:10 PDT ---
@Leandro:

Thanks for doing these tests!

In D1, the runtime calls gc_query on _every_ array append operation. Though the
cache in Gcx.getInfo() speeds it up a bit. But it doesn't look like
gc_query/getInfo() needs to do more work because of this patch?

You also could try to replace the code in the mark function by the old,
non-precise one. This way you can see how much overhead the bitmask
manipulation code causes.

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