On Wed, Oct 12, 2016 at 1:07 PM, Johannes Sixt <j...@kdbg.org> wrote: > > Sigh. DCLP, the Double Checked Locking Pattern. These days, it should be > common knowledge among professionals that this naïve version _does_not_work_ > [1]! > > I suggest you go without it, then measure, and only *then* optimize if it is > a bottleneck. Did I read "we do not expect much contention" somewhere? > > [1] http://www.aristeia.com/Papers/DDJ_Jul_Aug_2004_revised.pdf C++ centric, > but applies to C just as well > > -- Hannes >
You know, I always wondered why Linux Kernel code needed memory barriers but userspace programs didn't seem to use them.. turns out they actually *do* need them for the same exact types of problems... Thanks, Jake
