On Thu, Jan 18, 2018 at 10:38:02AM +, Nick Hudson wrote:
> On 01/09/18 03:30, Mateusz Guzik wrote:
> > Some time ago I wrote about performance problems when doing high -j
> > build.sh and made few remarks about mutex implementation.
> >
> > TL;DR for that one was mostly that cas returns the fou
On 01/09/18 03:30, Mateusz Guzik wrote:
Some time ago I wrote about performance problems when doing high -j
build.sh and made few remarks about mutex implementation.
TL;DR for that one was mostly that cas returns the found value, so
explicit re-reads can be avoided. There are also avoidable expl
Some time ago I wrote about performance problems when doing high -j
build.sh and made few remarks about mutex implementation.
TL;DR for that one was mostly that cas returns the found value, so
explicit re-reads can be avoided. There are also avoidable explicit
barriers (yes, I know about the old O