On Wednesday, 5 February 2014 at 15:25:27 UTC, Michel Fortin
wrote:
In general ARC+GC would release memory faster so you need less
memory overall. Less garbage memory blocks floating around
might make processor caches more efficients. And less memory
pressure means the GC itself runs less often, thus less pauses,
and shorter pauses since there is less memory to scan.
Which does not fix a single problem mentioned in embedded/gamedev
threads. Difference between "somewhat less" and "reliably
constrained" is beyond measure.