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Subject: Re: [Threads-devel] RFC: 1st pthread shared_mutex refactoring patch
From: Fredrik Orderud (forderud_at_[hidden])
Date: 2013-02-15 09:34:02

On Tue, Feb 12, 2013 at 7:08 PM, Vicente J. Botet Escriba <
vicente.botet_at_[hidden]> wrote:

> I will start to analyze your patch this week.
> I don't know if you have followed this ticket.
> #7906 <> Very bad
> performance of generic implementation of shared_mutex on windows<>
> From the performances presented it seems that the windows specific
> implementation will be needed, so maybe a windows specific implementation
> for shared priority mutex should also be needed. The problem is that the
> windows implementation contains some bugs and missing features.

Thank you for the update Vicente. I was not aware of the poor win32
performance for generic shared_mutex, so that of course needs to be taken
into consideration. I believe it should be feasible to refactor the pthread
& win32 shared_mutex implementations to share state_data (locking policy
logic) even though the locking "backends" are different.


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