On Wednesday, 15 June 2016 at 17:03:21 UTC, Konstantin wrote:
Two words: write barriers.What about them? You mean not all D’s target platforms support them?
They're not acceptable for a systems programming language as they require you to pay for something that you might not use.
According to our resident GC maintainer (among many other things), they would cause a 1%-5% slow down in the language: https://github.com/dlang/druntime/pull/1081#issuecomment-69151660
