[OT] Previously: DMD - Windows -> C# in gamedev

[Peter Alexander]

On 8/01/12 11:00 PM, Walter Bright wrote:
> On 1/8/2012 1:42 PM, Peter Alexander wrote:
>> "As an example, for me within our current code at Bungie, a single
>> file change
>> in the code I usually work on can cost as much as 10mins in linking (many
>> targets). If I opt to build a single target (say the runtime), then
>> this is
>> reduced to ~2 mins. This is without any linker optimization such as
>> Link Time
>> Code Generation which is known to heavily increase Link time."
>
> D should be faster at linking, even with the same linker, because if you
> use it carefully a lot fewer redundant template instantiations get
> written to the object file (which must be culled by the linker).
>
> For example, if you use shared_ptr in C++, every single file that uses
> shared_ptr will produce an object file containing the same compiled
> version of it.

Most game studios tend to use unity builds, precisely to minimize things 
like this. Generally there is very little duplicated code in object 
files. I did measure it at some point in the past and it was fairly 
negligible.