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From "史成荣" <icyr...@gmail.com>
Subject Re: [harmony][Thread]
Date Tue, 18 Dec 2007 12:43:01 GMT
why does it need setting the m2nframe before the slow path while it needn't
when taking the fast path?

在07-12-18,Xiao-Feng Li <xiaofeng.li@gmail.com> 写道:
> Chengrong, locking is expensive, which should be optimized or avoided.
> The fast path acquiring the lock without Java-native border crossing
> can be much fast. It's expected the fast path be executed in most
> cases. This is possible if the code sequence doesn't trigger garbage
> collection or exception, hence no need to bookkeeping the frames.
> Thanks,
> xiaofeng
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