21296 2008-10-01 23:18:27 -0700 Remove profiling hooks when not profiling 2008-11-24 17:09:40 -0800 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) All All RESOLVED DUPLICATE 21735 P2 Normal --- 20812 1 zwarich ggaren oldest_to_newest 93673 0 zwarich 2008-10-01 23:18:27 -0700 We currently always emit profiling hooks, even when we are not profiling. This adds unnecessary branches to function calls and returns. The solution is to regenerate code when profiling is enabled. Geoff has already done some preliminary work in this direction in bug 21281. 93806 1 zwarich 2008-10-02 15:33:57 -0700 Removing all branches (both the profiling branch and the activation / 'arguments' branch) from op_ret is at least a 4.3% speedup on Richards and a 1.0% speedup on DeltaBlue. 100107 2 zwarich 2008-11-24 17:09:40 -0800 *** This bug has been marked as a duplicate of 21735 ***