On 4/12/13 7:48 AM, Benjamin Striegel wrote:
Browsing the web today I found this short article on the Epoch
programming language:
https://code.google.com/p/epoch-language/wiki/GarbageCollectionScheme
I'm not a GC expert so I'm not sure if it has any applicability to Rust,
but perhaps someone will find it interesting.
It's using register spilling (a.k.a. the llvm.gcroot intrinsics). We
considered this, but it would impose a significant cost on runtime
performance over the conservative GC or a precise GC that allows roots
to live in registers (e.g. OCaml, V8, SpiderMonkey, .NET, Java). I think
that, before we consider precise-on-the-stack GC, we should fix this
problem at the LLVM level.
Patrick
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