There's a lot of AND-ing of hash codes to determine the segments and buckets and that's much easier to handle if you have a power of 2 and can shift bits around.
On 22.08.2008 16:22:05 Peter B. West wrote: > Jeremias Maerki wrote: > > Ok, here's the final patch I'd propose to fix the memory leak. I've seen > > no measurable performance degradation compared to the base revision and > > no multi-threading problems. The memory leak is fixed and the number of > > stale references remains low. > > > > Feedback welcome. > > > > What happens is SEGMENT_COUNT is not a power of 2? Or, what obliges > SEGMENT_COUNT to be a power of 2? > > Peter Jeremias Maerki
