Re: [boost] boost::signals2 performance

Subject: Re: [boost] boost::signals2 performance
From: Stjepan Rajko (stjepan.rajko_at_[hidden])
Date: 2008-11-26 17:21:57

Hi Hansjörg,

On Tue, Nov 25, 2008 at 11:13 AM, Hansi <hansipet_at_[hidden]> wrote:
> I have made now a lot of tests with the new signals2 library.

Thanks for putting in the time to evaluate the library.

> The only thing
> because I don't want to use it now, is because it is really slow...
> I have made now performance tests with the dummy_mutex which is included.
> I have found out the about 50% of the time that it takes to call 10000000 is
> inside in slot_call_iterator---->lock_next_callable function. Here the
> follwing lines takes the 50% of the executing time:
>
>            lock_type lock(**iter);
>            tracked_ptrs = (*iter)->nolock_grab_tracked_objects();
>
> I hope that one has an idea how it can be made it faster...
>

It would be helpful if you could provide some context for the tests
you are running, such as the platform/compiler used, compiler
optimization setting, test source, as well as a comparison with how
the current Boost.Signals handles the same (or analogous) test.

Best,

Stjepan