[Webkit-unassigned] [Bug 133395] Web Inspector: debugger should be able to show variable types

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=133395





--- Comment #16 from Saam Barati <sbarati at apple.com>  2014-06-20 16:47:57 PST ---
Created an attachment (id=233486)
 --> (https://bugs.webkit.org/attachment.cgi?id=233486&action=review)
patch

* Made processing the log happen on a separate thread when processing is invoked by maxing out the log size.

* Also, re-architected the infrastructure to not make TypeSet copies in the HighFidelityTypeProfiler. This prevents the VM from having to walk over all TypeSets that have changed and then merge them with the profiler. Instead, TypeSet's are all passed around as references, so once the log is processed, the VM is in an updated state. This saves a lot of time when the user specifically asks the VM to update because instead of processing the log, then walking all TypeSets, then doing a has lookup, the VM simply processes the log and does a hash lookup. This cuts out the most expensive part: walking all TypeSets.

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