Re: [boost] [uuids] On boost::uuids::uuid operator == performance.

Subject: Re: [boost] [uuids] On boost::uuids::uuid operator == performance.
From: Andy Tompkins (atompkins_at_[hidden])
Date: 2012-05-02 13:08:39

On Tue, Apr 17, 2012, at 09:48 PM, Mathias Gaunard wrote:
> On 17/04/12 12:52, Michael Kochetkov wrote:
>
> > Anyway the real problems are that
> > 1. boost's implementation of uuid is at least weird in terms there
> >    are much better approaches that cost nothing in implementation
> >    but are ignored.
>
> Comparing 16 bytes is hardly the important part in a UUID library.
> Boost.UUID is using the correct construct for this, it is sad some
> compilers cannot optimize it properly, but it's still the ideal
> solution from a C++ point of view.
>
> The approach you suggest is not well-formed C++ and is specific to
> your particular configuration; it might fare worst on others. So it's
> not really "better" nor does it "cost nothing".
>
> An option is to simply fix the problem in your local copy of Boost.
>
> That being said, I'm sure the library author will consider fixing it
> if you file a bug for it.

Absolutely, I am always happy to review submitted bugs/patches.

< snip >

Regards, 
Andy Tompkins 
boost.uuid author