Copy-on-write when nothing actually changes is unfortunate. Let's avoid it.
Created attachment 173472 [details] Patch
Comment on attachment 173472 [details] Patch Clearing flags on attachment: 173472 Committed r134163: <http://trac.webkit.org/changeset/134163>
All reviewed patches have been landed. Closing bug.
Nice change. This was also a ~7% win on Dromaeo DOMCore attr setAttribute. http://build.chromium.org/f/chromium/perf/chromium-rel-win7-webkit/dromaeo_domcoreattr/report.html?rev=167406&graph=dom_attr_setAttribute&trace=score&history=50
(In reply to comment #4) > Nice change. This was also a ~7% win on Dromaeo DOMCore attr setAttribute. http://build.chromium.org/f/chromium/perf/chromium-rel-win7-webkit/dromaeo_domcoreattr/report.html?rev=167406&graph=dom_attr_setAttribute&trace=score&history=50 Oh awesome! Thanks for letting me know :)