[Webkit-unassigned] [Bug 39621] New: Extreme memory growth on DOM Hanoi test

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=39621

           Summary: Extreme memory growth on DOM Hanoi test
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ap at webkit.org
                CC: brettw at chromium.org


DOM Hanoi test with the default recursion level of 3 takes several hundred megabytes, but almost nothing in Firefox.

Steps to reproduce: run <https://safari.apple.com/groups/safariteam/wiki/bb053/attachments/febd2/DOM-Hanoi%20v0.2.html>.

In Safari, RPRVT steadily grows - up to about 800 Mb on x86-64, and perhaps even more on PowerPC. In Firefox, it oscillates between 40 and 80 Mb.

leaks tool says there are no leaks.

<rdar://problem/8009738>

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