...-mcacoll_hcoll_enable0 -x UCX_MAX_EAGER_LANES=2 -x UCX_MAX_RNDV_LANES=2 -x UCX_NET_DEVICES=mlx5_2:1,mlx5_4:1 -mcabtl_openib_if_includemlx5_2:1,mlx5_4:1 -x MALLOC_MMAP_MAX_=0 -x MALLOC_TRIM_THRESHOLD_=-1 ~/Bifrost_bench_v1.1/RUNS/photo_tr.x.hpcx-2.2.0
