Results for PerformanceTests/DOM/DOMDivWalk.html vary a lot between runs. It's mainly caused by GC happening in the middle of tests. We need to manually trigger a GC to mitigate the effects.
Created attachment 124487 [details]
Attachment 124487 [details] was posted by a committer and has review+, assigning to Ryosuke Niwa for commit.
Landed in http://trac.webkit.org/changeset/106211.