Re: [boost] scope_lock performance issue

From: Rene Rivera (grafik.list_at_[hidden])
Date: 2003-10-18 11:43:45

[2003-10-18] Christophe Meessen wrote:

>Hello,
>
>using boost threads with vc7.1 is not easy. It doesn't provide support 
>for static library. I had to make a VC7.1 project to be able to compile 
>it. I hacked out the on_thread_exit since there is no trivial solution 
>for this on win32. Its ok for now since I don't use tss.
>
>I then compared the performance of using scoped_lock with using the 
>native win32 critical section calls. To my surprise scoped_lock is tree 
>time slower than native win32 calls. Then I tried implementing my own 
>scope_lock without support for lock methods. I named this class 
>synschronize and mutex was named synchronizable. You may see the code
below.

Your code is basically identical to that provided by
boost::detail::lightweight_mutex. See boost/detail/lightweight_mutex*.hpp

[snip]

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