Boost logo

Boost :

Subject: Re: [boost] [inspect] exceptions (FW: [Boost-users] no exceptions)
From: Vladimir Prus (vladimir_at_[hidden])
Date: 2011-03-25 03:17:43


Emil Dotchevski wrote:

> On Thu, Mar 24, 2011 at 8:03 PM, Gruenke, Matt <mgruenke_at_[hidden]> wrote:
>> I did a little bit of performance testing and found BOOST_THROW_EXCEPTION to add about 45%
>> overhead (CPU: Intel Xeon X5570; compiler: gcc-4.2.3; optimization: -O2) vs straight 'throw'
>> of simple std::exception-derived class. So, it's not exactly free. That said, neither is
>> blazingly fast.
>
> Could you clarify, what do you mean by overhead? Speed? Speed of
> throwing an exception? Speed of catching an exception? Code size?
> Compilation time?

I think a different question is worth asking -- did you measure any of above?

- Volodya

-- 
Vladimir Prus
Mentor Graphics
+7 (812) 677-68-40

Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk