On May 1, 2013, at 7:32 PM, Orion Poplawski <or...@cora.nwra.com> wrote:
> On 04/29/2013 11:04 AM, Ralph Castain wrote: >> >> On Apr 27, 2013, at 7:37 PM, Orion Poplawski <or...@cora.nwra.com> wrote: >> >>> On 04/26/2013 08:53 PM, Ralph Castain wrote: >>>> >>>> On Apr 26, 2013, at 7:40 PM, Orion Poplawski <or...@cora.nwra.com> wrote: >>>>> >>>>> So it looks like I will need to shortly be looking at how to link against >>>>> an external libevent. Any help with that would be greatly appreciated. >>>> >>>> As I said, I'll take a look at it, but can't commit to having it available >>>> any time soon. It isn't something I would suggest someone try who isn't >>>> fully versed in OMPI's code base. >>> >>> Yeah, I'm not looking forward to it. I get to at least wait until the >>> non-threaded version of libevent is available. >> >> I hate to see someone suffer, so I went ahead and added the external >> libevent connection this morning. Not trivial, but it seems to work. It is >> in our developer's trunk if you want to test it. As Jeff has said, we would >> prefer you not do this until the 1.9 series is released, and we won't be >> porting this change to the 1.7 series anyway. >> >> Just put it in so we can begin the investigation, and we always appreciate >> input and help in exploring the impacts! >> Ralph > > Great! I'll try to take a look at next week. You might wait a bit - Jeff is working on corner cases for it, so things will likely change. I'm not sure when he expects to finish. > > I noticed another message about using a threaded libevent after all on the > devel list. What is the status of that? Do we still need to produce a > non-threaded libevent in Fedora? I would hold off. I've been running some tests, and it looks to me like it punishes TCP messaging, but not too much (around 1%). Can't vouch that there won't be other problems, but it may prove to be okay. Let's see what happens once Jeff completes his work. > > Thanks again. > > -- > Orion Poplawski > Technical Manager 303-415-9701 x222 > NWRA/CoRA Division FAX: 303-415-9702 > 3380 Mitchell Lane or...@cora.nwra.com > Boulder, CO 80301 http://www.cora.nwra.com > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
