On Sun, Nov 30, 2014 at 11:48 AM, Simon Hafner <reactorm...@gmail.com> wrote:
> 2014-11-30 7:25 GMT-06:00 Eddie Epstein <eaepst...@gmail.com>: > > On Sat, Nov 29, 2014 at 4:46 PM, Simon Hafner <reactorm...@gmail.com> > wrote: > > > >> I've thrown some numbers at it (doubling each) and it's running at > >> comfortable 125 procs. However, at about 6.1k of 6.5k items, the procs > >> drop down to 30. > >> > > > > 125 processes at 8 threads each = 1000 active pipelines. How CPU cores > > are these 1000 pipelines running on? > Only 60. > For CPU bound pipelines, throughput will tend to degrade with more threads than cores.