That sounds right.

On May 26, 2011, at 6:31 PM, Charles Oliver Nutter wrote:

> * For a descendant hierarchy of N classes, I'll need to do N
> invalidateAll calls. This is not ideal, since those calls are very
> heavy.

Fully optimized invalidations will use safepoints.  The point of using an array 
is to allow any number of switchpoints to ride on one safepoint.  Can you batch 
all the invalidations in a given hierarchy of N classes?  Or is there an 
ordering problem?

-- John
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