Thanks Vladimir for the confirmation. Is there any plan to support bucket level lock support in dpdk hash.
Thanks Rajesh On Wed, Aug 28, 2024 at 2:33 PM Medvedkin, Vladimir < vladimir.medved...@intel.com> wrote: > Hi Rajesh, > > > > rte_hash does not support per bucket locks, instead it uses global rwlock. > > But you can try lock free mode (see documentation, in particular > RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY_LF flag) > > > > > > *From:* rajesh goel <rgoel.bangal...@gmail.com> > *Sent:* Tuesday, August 27, 2024 4:57 PM > *To:* Medvedkin, Vladimir <vladimir.medved...@intel.com> > *Cc:* Ferruh Yigit <ferruh.yi...@amd.com>; Wang, Yipeng1 < > yipeng1.w...@intel.com>; Gobriel, Sameh <sameh.gobr...@intel.com>; > Richardson, Bruce <bruce.richard...@intel.com>; dev@dpdk.org > *Subject:* Re: Bihash Support in DPDK > > > > Thanks for the reply. > > > > Bihash I mean bounded index what Vpp supports. > > > > Iam looking for the bucket level lock support. Currently Iam using hash > table shared by multiple process or multiple core/threads. So I have to > take the write lock by single core and then read lock by multiple cores to > read the value wrote in this hash table. Multiple readers are getting > blocked due to this. I want to avoid this to increase performance. > > > > Let me know your thoughts on this. > > > > Regards > > Rajesh > > > > On Tue, 27 Aug, 2024, 14:44 Medvedkin, Vladimir, < > vladimir.medved...@intel.com> wrote: > > Hi Rajesh, > > > > Please clarify what do you mean by “bihash”? Bidirectional? Bounded index? > > > > As for concurrent lookup/updates, yes, DPDK hash table supports > multi-process/multi-thread, please see the documentation: > > https://doc.dpdk.org/guides/prog_guide/hash_lib.html#multi-process-support > > > > > > *From:* rajesh goel <rgoel.bangal...@gmail.com> > *Sent:* Tuesday, August 27, 2024 7:04 AM > *To:* Ferruh Yigit <ferruh.yi...@amd.com> > *Cc:* Wang, Yipeng1 <yipeng1.w...@intel.com>; Gobriel, Sameh < > sameh.gobr...@intel.com>; Richardson, Bruce <bruce.richard...@intel.com>; > Medvedkin, Vladimir <vladimir.medved...@intel.com>; dev@dpdk.org > *Subject:* Re: Bihash Support in DPDK > > > > Hi All, > > Can we get some reply. > > > > Thanks > > Rajesh > > > > On Thu, Aug 22, 2024 at 9:32 PM Ferruh Yigit <ferruh.yi...@amd.com> wrote: > > On 8/22/2024 8:51 AM, rajesh goel wrote: > > Hi All, > > Need info if DPDK hash library supports bihash table where for multi- > > thread and multi-process we can update/del/lookup entries per bucket > level. > > > > > > + hash library maintainers. > >
