new D2.0 + C++ language

[BCS]

Reply to Weed,

> I think so: during the performance of malloc is controlled by the OS.
> And it is so does the optimization of memory allocation for programs.
> And OS has more facilities to do this. GC there will be just extra
> layer.

malloc is not a system call. malloc make systems calls (IIRC mmap) once in 
a while to ask for more memory to be mapped in but I think that D's GC also 
works that way.