Comment #6 on issue 2179 by [email protected]: Breakpoint of not executed function slows down javascript performance
http://code.google.com/p/v8/issues/detail?id=2179
I'm preparing a patch that would reduce the time that the original test case in #1 to ~800ms. Consider that with crankshaft disabled, the original test case without setting break point needs ~700ms.
The statement that debugging should not have any impact on performance is only true if you ignore the performance gains achieved by crankshaft.
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