Ack, very interested in that :). Matt ----- "Loic Dachary" <loic@xxxxxxxxxxx> wrote: > Hi Again, > > On 16/10/2014 11:16, Loic Dachary wrote: > > Hi Matt, > > > > You will probably be interested in > > (I have to find which sequence of keys send out the mail by > accident... :-) > > https://github.com/ceph/ceph/pull/2595 > > and > > https://github.com/dachary/ceph/commit/734e555c640a3b5e9bbf0329bd524cffaca61c4f > > in particular. It does not do anything performance wise but it's going > to be merged in the not-to-distant future. > > Cheers > > > > > On 16/10/2014 11:00, Matt W. Benjamin wrote: > >> Hi Folks, > >> > >> Per yesterday's Ceph performance call, we've pushed 2 wip branches > for review and feedback to > https://github.com/linuxbox2/linuxbox-ceph.git . > >> > >> 1. xio-v084-inline reorganizes ceph::buffer as a namespace, and > (nearly) all of > >> buffer::hash, buffer::ptr and buffer::list as inline > >> > >> 2. xio-v084-inline-flat restores some raw encapsulation lost in the > prior change, > >> then refactors buffer::raw to remove virtual methods > >> > >> We've made some effort to measure the impact of the changes, but > don't have > >> reliable data yet. (It's possible that our initial impression of > improvement from the inlining change was not accurate, but more likely > we need better workload tests.) > >> > >> In addition, we've been working on an experiment to refactor > buffer::ptr and buffer::raw to use boost::intrusive::list, to unify > the interfaces of the two types to permit interning buffer::raw > directly on the containing list when there is no sharing, and a slab > allocator for both types. We plan to push a wip branch with these > changes to when they've stabilized a bit more and/or we have real perf > numbers. > >> > >> Thanks, > >> > >> Matt > >> > > > > -- > Loïc Dachary, Artisan Logiciel Libre -- Matt Benjamin CohortFS, LLC. 206 South Fifth Ave. Suite 150 Ann Arbor, MI 48104 http://cohortfs.com tel. 734-761-4689 fax. 734-769-8938 cel. 734-216-5309 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html