RESOLVED FIXED Bug 90146
DFG recompilation heuristics should be based on count, not rate 
https://bugs.webkit.org/show_bug.cgi?id=90146
Summary DFG recompilation heuristics should be based on count, not rate
Filip Pizlo
Reported 2012-06-28 01:36:53 PDT
Patch forthcoming. It should be noted that this bug is basically an experiment. This patch will require a fair amount of testing before I'm convinced that it's a good idea to replace the current heuristics with these ones.
Attachments
work in progress (21.72 KB, patch)
2012-06-28 01:41 PDT, Filip Pizlo 		no flags
DetailsFormatted DiffDiff
the patch (24.05 KB, patch)
2012-06-28 15:51 PDT, Filip Pizlo 		oliver: review+
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Filip Pizlo
Comment 1 2012-06-28 01:41:05 PDT
Created attachment 149901 [details] work in progress Just putting up for EWS. Not ready for review yet.
Filip Pizlo
Comment 2 2012-06-28 15:51:40 PDT
Created attachment 150032 [details] the patch
Filip Pizlo
Comment 3 2012-06-28 19:40:36 PDT
Landed in http://trac.webkit.org/changeset/121511
Filip Pizlo
Comment 4 2012-07-09 18:51:16 PDT
Rolled out in http://trac.webkit.org/changeset/122182 It made in-browser V8v7 10% slower.
Filip Pizlo
Comment 5 2012-07-10 02:20:22 PDT
Relanded in http://trac.webkit.org/changeset/122206
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