== Quote from Jonathan Crapuchettes (jcrapuchet...@gmail.com)'s article > 1. I will give you implementation a try. > 2. I have been compiling with 64-bit as I expect most of the programs I write > require more than 4GB of memory. > Thanks!
Unfortunately RandAA doesn't work on 64-bit yet, though the reasons are just some minor details, not fundamental issues. I didn't bother supporting it because last time I did a major update the 64-bit backend wasn't ready yet and I needed to find good linear congruential parameters for 64-bit. You might also be pleasantly surprised when the new release (currently in beta) comes out. I've put a lot of optimization work into the garbage collector and depending on the allocation size, it's between 25% and 200x faster than the 2.052 GC. (See https://github.com/dsimcha/druntime/wiki/Druntime-GC-Optimization-Fork)