Incremental builds?

[John Colvin]

On Friday, 27 September 2013 at 07:12:50 UTC, Peter Alexander 
wrote:
> On Thursday, 26 September 2013 at 23:47:34 UTC, Jonathan M 
> Davis wrote:
>> On Thursday, September 26, 2013 23:29:56 John Colvin wrote:
>>> On Thursday, 26 September 2013 at 14:02:53 UTC, 
>>> ProgrammingGhost
>>> 
>>> wrote:
>>> > I assume D can do incremental builds? How fast is the 
>>> > compile
>>> > time compared to C++? Is it slower? C++ only has to read its
>>> > header files and D would need to look at the entire project
>>> > source code (or obj files?).
>>> 
>>> dmd compile times are very fast compared to c++ compilers.
>>
>> Fast enough that you'd have to have a very large project for 
>> incremental
>> builds to gain you anything. Maybe you could gain time if the 
>> incremental
>> builds were done in parallel, but even then, the build time is 
>> going to be
>> dwarfed by the link time in a lot of programs. Most projects 
>> aren't going to
>> be big enough to really gain much from incremental builds. I'd 
>> only worry
>> about that if I were doing a large application and building it 
>> was
>> demonstratively slow.
>>
>> - Jonathan M Davis
>
> Unless you are doing optimised builds, which are still 
> painfully slow.

In my experience, they are still faster than I was used to in c++