# nccl env CURRENT_DIR="$( cd "$( dirname "$0" )" && pwd )" MEGATRON_PATH=$( dirname $( dirname ${CURRENT_DIR})) export NCCL_ALGO=Ring export NCCL_MAX_NCHANNELS=16 export NCCL_MIN_NCHANNELS=16 export NCCL_NCHANNELS_PER_PEER=16 export NCCL_MIN_P2P_NCHANNELS=16 export NCCL_MAX_P2P_NCHANNELS=16 export NCCL_NET_GDR_LEVEL=7 export NCCL_NET_GDR_READ=1 export RCCL_SDMA_COPY_ENABLE=0 export NCCL_IB_HCA=shca_0:1,shca_1:1,shca_2:1,shca_3:1 export NCCL_TOPO_FILE=${MEGATRON_PATH}/requirements/nccl_zz/topo-input.xml export NCCL_IB_PCI_RELAXED_ORDERING=0 export NCCL_PLUGIN_P2P=ucx export NCCL_SOCKET_IFNAME=eno1 export SHCA_DEBUG_MASK=0 export SHCA_CMR_LOG_LEVEL=1 export SHCA_SHUT_UP_FWB=1 export SHCA_UCT_CQ_SIZE_INC=5 export UCX_RNDV_PUT_FORCE_FLUSH=y export NCCL_PXN_DISABLE=0 export LD_LIBRARY_PATH=${MEGATRON_PATH}/requirements/nccl_zz/lib-v8:$LD_LIBRARY_PATH