Performance of MVAPICH2-J Collectives

Machine Specifications (TACC Frontera)

CPU Model CPU Core Info Memory IB Card OS OFED
Intel Xeon Platinum 8280 ("Cascade Lake") 56 @ 2.7Ghz 192GB Mellanox InfiniBand, HDR-100 CentOS Linux 7 MOFED 5.4

MPI_Bcast

bcast-small performace
bcast-large performace

MPI_Allreduce

allreduce-sm performance
allreduce-large performance