[Webkit-unassigned] [Bug 66849] New: The GC does not have a facility for profiling the kinds of objects that occupy the heap

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=66849

           Summary: The GC does not have a facility for profiling the
                    kinds of objects that occupy the heap
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fpizlo at apple.com


A good GC will have optimizations for common objects.  Two areas where optimizations are particularly useful are marking and sweeping.  But the GC does not currently have a way of profiling what kinds of objects are encountered during either of these two phases.

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