Plan for D

[Araq]

On Thursday, 20 May 2021 at 18:18:40 UTC, Paulo Pinto wrote:
> Looking forward to the Nim RC beating these benchmarks.

Benchmarks can usually be tweaked to produce the outcome you're 
after. I usually get better latency and memory consumption and 
worse throughput with "Nim RC". However, the Nim compiler itself 
is over 100K lines of code and 22% faster when compiled with "Nim 
RC", so in this case the throughput is better. That particular 
result might be machine specific though as I tested it on an M1 
indeed. :-)

The fact that the RC algorithm is oblivious to the involved heap 
sizes and to the amount of alive data makes it a nice default 
though -- works well when you use much memory or when you have 
little heap sizes.

But Nim actually bets on RC because it's much more amenable to 
manual optimizations and because it works well with custom memory 
management, making it a good fit for "systems programming".