Optimizing the Performance of SPEC MPI with Skylake and Omni-Path
Optimizing the Performance of SPEC MPI with Skylake and Omn-Path
Tuning the Eager threshold has a significant impact on application performance by avoiding the synchronization of rendezvous protocol and thus yielding better communication computation overlap.
Library Version: MVAPICH2 2.3rc1
|CPU Model||Intel Xeon Platinum 8160|
|CPU Core Info||2 x 24 @ 2.1 GHz|
|IB Card||100Gb/sec Intel Omni-Path (OPA)|
|IB Switch||Full Fat Tree 100Gb/sec Intel Omni-Path with 6 core switches|
Submitted by Amit Ruhela @ OSU
Last Modified March 6, 2018, 1:53 p.m.