Re: [Boost-users] google.stringencoders vs (boost.string_algo & boost.lexical_cast)

Subject: Re: [Boost-users] google.stringencoders vs (boost.string_algo & boost.lexical_cast)
From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2009-06-01 09:10:33

Mathias Gaunard skrev:
> Roman Shmelev wrote:
> 
>> stringencoders are told to be 2x faster than std approaches. But what
>> about boost?
> 
> Given boost::lexical_cast and boost::format are using standard C++ 
> streams, which are known to be slower than C sprintf and even more 
> slower than itoa dtoa, the answer seems obvious.

boost::lexical_cast bypasses streams for certain types as an optimization.

-Thorsten