Why is D's GC slower than GO's?

[IGotD-]

On Saturday, 29 October 2022 at 11:59:24 UTC, Imperatorn wrote:
>>
>> Your analogy with bizarre addressing modes and HW limitation 
>> of early x86 processors doesn't make any sense. Also, the 
>> design with far/near pointers in those compilers is 
>> questionable and further fuels the point that pointers need to 
>> be opaque and the compiler should deal with such mess.
>>
>> [...]
>
> What solution do you propose?

For D or ancient C compilers?