Re: [boost] [log] Review attempt

Subject: Re: [boost] [log] Review attempt
From: Roland Bock (rbock_at_[hidden])
Date: 2010-03-11 12:49:16

Andrey Semashev wrote:
> On 03/11/2010 11:28 AM, Roland Bock wrote:
>>
>> Regarding the use of Spirit within Boost.Log: If I get it right,
>> spirit::karma supposed to be extremely fast in serializing. In another
>> thread I read that one of the performance issues is the serialization of
>> DateTime (http://lists.boost.org/Archives/boost/2010/03/162905.php).
>>
>> Would it make sense to use karma here to speed things up?
> 
> Yes, one of my thoughts was to rework Boost.DateTime IO to employ 
> Boost.Spirit. Another thing that ought to be done is to parse format 
> strings only once, during the facet initialization. And the third thing 
> is to move all that code into the compiled binary of Boost.DateTime. It 
> really adds quite a bit to users' binary size now.

OK, sounds very nice. I noticed earlier that Boost.DateTime's parsing is 
pretty slow in comparison to Boost.Spirit. So all of this make very much 
sense to me.