SIMD GC

[rikki cattermole via Digitalmars-d]

On 02/09/2017 1:42 PM, Márcio Martins wrote:
> I was curious if anyone has tried implementing the GC mark phase with 
> SIMD instrs?
> If so, what were the results, and why didn't it get accepted?
> 
> At first thought, it seems like a simple project that could improve 
> performance of big-memory programs by a significant margin, right?


I'm not so sure it can be.
https://github.com/dlang/druntime/blob/master/src/gc/impl/conservative/gc.d#L1955