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

[Paulo Pinto]

On Monday, 31 October 2022 at 03:04:49 UTC, linger wrote:
> On Sunday, 30 October 2022 at 05:55:44 UTC, Walter Bright wrote:
>> On 10/29/2022 7:14 PM, 12345swordy wrote:
>>> C++/CLI is used manually to create a gateway to the .net 
>>> framework from c++ and back. That and the fact the 
>>> implementation is windows only so that greatly hinders the 
>>> adoption of the language.
>>
>> I do understand that. But if it was a winner, why have none of 
>> the other C++ compilers adopted it? Why isn't in the C++ 
>> Standard? Why isn't it in the C Standard?
>
>
> 1. I believe D's GC is not a problem, D always say itself is `a 
> systems programming language`, C#/Java/GO never say they are `a 
> systems programming language`, they target users who don't care 
> about GC.
>
> No one will write an OS or "application on RTOS" by a GC lang.
> ...

https://www.ptc.com/en/products/developer-tools/perc

https://www.aicas.com/wp/

https://www.astrobe.com/astrobe.htm

https://www.withsecure.com/en/solutions/innovative-security-hardware/usb-armory

https://www.wildernesslabs.co/

http://joeduffyblog.com/2015/11/03/blogging-about-midori/

https://www.wikiwand.com/en/Modula-2%2B

https://en.wikipedia.org/wiki/Oberon_(operating_system)

https://www.youtube.com/watch?v=z_dt7NG38V4

Just a small taste of OSes and RTOS products that were never 
written.