Thanks for the quick reply. That’s disappointing, but understandable. Is the GNI provider supported on Cori and Theta?
> On May 3, 2018, at 2:49 PM, Pritchard Jr., Howard <[email protected]> wrote: > > the GNI provider isn’t supposed on Titan - OS is too old. > > > -- > Howard Pritchard > > B Schedule > HPC-ENV > Office 9, 2nd floor Research Park > TA-03, Building 4200, Room 03U > > Los Alamos National Laboratory > > > > > > On 5/3/18, 11:21 AM, "Hefty, Sean" <[email protected]> wrote: > >> Copying ofiwg, Howard, and Jim. >> >> >>> Apologies if this has been asked before. >>> >>> I am trying to use the GNI provider for libfabric on Titan, the XK7 >>> machine at ORNL. Is this possible/supported? >>> >>> More specifically, I need to be able to communicate between aprun >>> instances (e.g. aprun ./writer and aprun ./reader are able to >>> communicate with each other) so the sharing of credentials between the >>> programs is necessary. I have been referring to the cray-tests repo as >>> an example of how to use rdma credentials for Cray in Libfabric. I >>> modified this code somewhat by replacing all DRC code with just >>> setting the cookie manually, and had hoped that would work. >>> Unfortunately, the library relies on GNI_GetPtag to set the ptag, and >>> this API call does not seem to work on Titan. I can get the >>> auth_keys_test to pass by adding a ptag field to the >>> fi_gni_raw_auth_key struct along with appropriate language to handle >>> that, but I was wondering if there was some inherently supported way >>> to do that same thing without modifying libfabric. >>> >>> Other than credentials exchange/loading, i am wondering what I can >>> expect in trying to use the GNI provider on a non-ARIES system. Has >>> anyone done this successfully? >>> >>> Thanks, >>> Philip > _______________________________________________ ofiwg mailing list [email protected] http://lists.openfabrics.org/mailman/listinfo/ofiwg
