14/07/2020 11:16, Ananyev, Konstantin: > > > > 13/07/2020 17:50, Konstantin Ananyev: > > > Two new sync modes were introduced into rte_ring: > > > relaxed tail sync (RTS) and head/tail sync (HTS). > > > This change provides user with ability to select these > > > modes for ring based mempool via mempool ops API. > > > > > > Signed-off-by: Konstantin Ananyev <konstantin.anan...@intel.com> > > > Acked-by: Gage Eads <gage.e...@intel.com> > > > --- > > > --- a/doc/guides/mempool/ring.rst > > > +++ b/doc/guides/mempool/ring.rst > > > @@ -29,6 +29,16 @@ and can be selected via mempool ops API: > > > Underlying **rte_ring** operates in multi-thread producer, > > > single-thread consumer sync mode. > > > > > > +- ``ring_mt_rts`` > > > + > > > + For underlying **rte_ring** both producer and consumer operate in > > > + multi-thread Relaxed Tail Sync (RTS) mode. > > > + > > > +- ``ring_mt_hts`` > > > + > > > + For underlying **rte_ring** both producer and consumer operate in > > > + multi-thread Haad-Tail Sync (HTS) mode. > > > > Typo Haad -> Head > > Will fix. > > > > > Please explain what these modes mean and why/when use them. > > > > We have quite detailed explanation in ring library guide: > https://doc.dpdk.org/guides/prog_guide/ring_lib.html > 7.6. Producer/consumer synchronization modes > So here, I put a link to ring library guide for those who need more details. > I can copy&paste same text here too, > but it probably not much point in such duplication.
Do not duplicate. Please add a direct link to the section: https://doc.dpdk.org/guides/prog_guide/ring_lib.html#mp-rts-mc-rts >From a user perspective, I was looking for recommendation about which mode is preferred in which case. Maybe few words about what is an "overcommitted systems"?
