apiVersion: kubeflow.org/v2beta1
kind: MPIJob
metadata:
  name: test-nccl
spec:
  slotsPerWorker: 1
  runPolicy:
    cleanPodPolicy: Running
    backoffLimit: 20
  mpiReplicaSpecs:
    Launcher:
      replicas: 1
      template:
         spec:
          imagePullPolicy: IfNotPresent
          restartPolicy: OnFailure
          containers:
          #- image: <account>.dkr.ecr.us-west-2.amazonaws.com/cuda-efa-nccl-tests:ubuntu18.04
          - image: public.ecr.aws/w6p6i9i7/aws-efa-nccl-rdma:base-cudnn8-cuda11-ubuntu18.04  
            name: test-nccl-launcher
            #env:
            #- name: LD_LIBRARY_PATH
            #value: /opt/amazon/openmpi/lib:/opt/nccl/build/lib:/opt/amazon/efa/lib:/opt/aws-ofi-nccl/install/lib:/usr/local/nvidia/lib:$LD_LIBRARY_PATH
            #- name: PATH
            #value: $PATH:/opt/amazon/efa/bin
            command:
            - /opt/amazon/openmpi/bin/mpirun
            - --allow-run-as-root
            - --tag-output
            - -np
            - "2"
            - -bind-to
            - none
            - -map-by
            - slot
            - -x
            - PATH
            - -x
            - LD_LIBRARY_PATH
            - -x
            - NCCL_DEBUG=INFO
            - -x
            - NCCL_ALGO=Ring
            - -x
            - FI_PROVIDER=sockets
            - -x
            - FI_EFA_USE_DEVICE_RDMA=1
            - -x
            - RDMAV_FORK_SAFE=1
            - -x
            - NCCL_SHM_DISABLE=0
            - --mca
            - pml
            - ^cm
            - --oversubscribe
            - /opt/nccl-tests/build/all_reduce_perf
            - -b
            - "1"
            - -e
            - 1G
            - -f
            - "2"
            - -t
            - "1"
            - -g
            - "1"
            - -c
            - "1"
            - -n
            - "100"
    Worker:
      replicas: 2
      template:
        spec:
          #nodeSelector:
            #beta.kubernetes.io/instance-type: "p4d.24xlarge"
            #beta.kubernetes.io/instance-type: "p3dn.24xlarge"
            #beta.kubernetes.io/instance-type: "g4dn.metal"
          imagePullPolicy: IfNotPresent
          containers:
          #- image: <account>.dkr.ecr.us-west-2.amazonaws.com/cuda-efa-nccl-tests:ubuntu18.04
          - image: public.ecr.aws/w6p6i9i7/aws-efa-nccl-rdma:base-cudnn8-cuda11-ubuntu18.04
            name: test-nccl-worker
            volumeMounts:
            - name: shmem
              mountPath: /dev/shm
            resources:
              limits:
                nvidia.com/gpu: 1
                #hugepages-2Mi: 5120Mi
                #vpc.amazonaws.com/efa: 1
                memory: 8000Mi
              requests:
                nvidia.com/gpu: 1
                #hugepages-2Mi: 5120Mi
                #vpc.amazonaws.com/efa: 1
                memory: 8000Mi
          volumes:
          - name: shmem
            hostPath:
              path: /dev/shm