Re: [boost] boost::any feature request

From: Peter Dimov (pdimov_at_[hidden])
Date: 2003-04-03 04:46:28

Vladimir Prus wrote:
> Hi Maxim,
>
>> And here are the Intel VTune results (see the sources for details):
>>
>> Creation Assignment
>> struct 13383 27358
>> boost::any 3846 331870
>> TailoredAny<> 9151 310717
>> TailoredAny<Loki::SmallObject> 3855 110022
>
> IOW, TailoredAny behaves much worse on creation in default
> configuration. It behaves much better on assignment, in tuned
> configuration. Hmm..

It might be interesting to try a modified boost::any that uses
<boost/detail/quick_allocator.hpp>.

    void * operator new(std::size_t)
    {
        return detail::quick_allocator<this_type>::alloc();
    }

    void operator delete(void * p)
    {
        detail::quick_allocator<this_type>::dealloc(p);
    }

needs to be added to any::holder<>.