http://shootout.alioth.debian.org/u64q/benchmark.php?test=threadring&lang=all 2.3Go 6g 8g #3 20.6120.613,272347 0% 100% 0% 0% Interestingly, the CPU load is kind of comical for something spawning so many threads. Anyone good at optimized D feel like commiting a version of this?