Re: [Mingw-users] DLLs and Exceptions

[Earnie B. <ear...@ya...>]

Your presentation of analysis has persuaded me to change my vote to sjlj.

Earnie.

Wu Yongwei wrote:
> I want to add that:
> 
> * sjlj: You will have slower performance, but only in a try..catch block 
> (even if no exceptions are really thrown). You will have a smaller 
> executable size.
> 
> * Dwarf2: You will have faster performance in a try..catch block in the 
> most probable case that exceptions are not thrown. But you will have a 
> bigger executable size even if you do NOT use exceptions at all. -- This 
> is one thing that I do not like about Dwarf2.
> 
> So it is in some ways also a size-speed dilemma, as I understand it 
> (only in smaller applications, of course; in big applications you will 
> not note the size difference). Neither way is perfect, in that none of 
> them completely supports the C++ design principle that one needs not to 
> pay for a feature if one does not use it. IMHO, sjlj is at least better 
> in the case when one does not use C++ exceptions. But others may have 
> different opinions.
> 
> It is cool if GCC can support both methods simultaneously by a 
> compile-time switch, but I doubt anyone will do it.
> 
> Correct me if there are any false statements. I am not an expert in this 
> aspect.
> 
> Best regards,
> 
> Wu Yongwei
> 
> --- Original Message from Earnie Boyd ---
> 
> For the record, Danny didn't say that Dwarf2 was "unstable", Oscar said
> that.  The problem that Drawf2 has thst sjlj fixes is being able to
> throw an exception in a CALLBACK function and have it caught be the
> calling function.  So the question isn't about stability it's about:
> 
> [ ] Enhanced performance with not being able to throw exceptions in a
> CALLBACK function.  Dwarf2.
> 
> [ ] Slower performance and being able to throw exceptions in a CALLBACK
> function. sjlj.
> 
> Earnie.
> 
> 
> 
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