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| 1 | +apiVersion: batch.volcano.sh/v1alpha1 |
| 2 | +kind: Job |
| 3 | +metadata: |
| 4 | + annotations: |
| 5 | + name: nccl-allreduce-job0 |
| 6 | +spec: |
| 7 | + minAvailable: 0 |
| 8 | + plugins: |
| 9 | + ssh: [] |
| 10 | + svc: [] |
| 11 | + queue: default |
| 12 | + schedulerName: volcano |
| 13 | + tasks: |
| 14 | + - name: mpimaster |
| 15 | + policies: |
| 16 | + - action: CompleteJob |
| 17 | + event: TaskCompleted |
| 18 | + replicas: 1 |
| 19 | + template: |
| 20 | + metadata: |
| 21 | + spec: |
| 22 | + containers: |
| 23 | + - command: |
| 24 | + - /bin/bash |
| 25 | + - -c |
| 26 | + - | |
| 27 | + set -e -o pipefail; trap 'exit=1' SIGINT |
| 28 | + NUM_GPUS=8 |
| 29 | + NUM_HOSTS=$(sed -n '$=' /etc/volcano/mpiworker.host) |
| 30 | + NP=$(($NUM_HOSTS*$NUM_GPUS)) |
| 31 | + mpirun --allow-run-as-root \ |
| 32 | + -mca coll ^hcoll -mca plm_rsh_args "-p 2222" \ |
| 33 | + -mca coll_hcoll_enable 0 \ |
| 34 | + -np $NP -npernode $NUM_GPUS --bind-to numa \ |
| 35 | + -hostfile /etc/volcano/mpiworker.host \ |
| 36 | + -x NCCL_DEBUG=WARN \ |
| 37 | + -x NCCL_CUMEM_ENABLE=0 \ |
| 38 | + -x NCCL_IB_SPLIT_DATA_ON_QPS=0 \ |
| 39 | + -x NCCL_IB_QPS_PER_CONNECTION=2 \ |
| 40 | + -x NCCL_IB_GID_INDEX=3 \ |
| 41 | + -x NCCL_IB_HCA==mlx5_0,mlx5_3,mlx5_4,mlx5_5,mlx5_6,mlx5_9,mlx5_10,mlx5_11 \ |
| 42 | + -x NCCL_IB_TC=41 \ |
| 43 | + -x NCCL_IB_SL=0 \ |
| 44 | + -x NCCL_IB_TIMEOUT=16 \ |
| 45 | + -x HCOLL_ENABLE_MCAST_ALL=0 \ |
| 46 | + -x UCX_TLS=tcp \ |
| 47 | + -x UCX_NET_DEVICES=eth0 \ |
| 48 | + -x RX_QUEUE_LEN=8192 \ |
| 49 | + -x IB_RX_QUEUE_LEN=8192 \ |
| 50 | + -x NCCL_SOCKET_IFNAME=eth0 \ |
| 51 | + -x NCCL_IGNORE_CPU_AFFINITY=1 \ |
| 52 | + /workspace/nccl-tests/build/all_reduce_perf -b 1G -e 16G -f 2 -g 1 |
| 53 | + while :; do { [[ $exit ]] && break; }; sleep 1; done |
| 54 | + ports: |
| 55 | + - { name: mpijob-port, containerPort: 2222, protocol: TCP } |
| 56 | + image: iad.ocir.io/hpc_limited_availability/nccl-tests:pytorch-25.06-nccl-2.27.7-1 |
| 57 | + name: mpimaster |
| 58 | + resources: |
| 59 | + limits: |
| 60 | + ephemeral-storage: 16Gi |
| 61 | + requests: |
| 62 | + cpu: 4 |
| 63 | + ephemeral-storage: 16Gi |
| 64 | + memory: 1Gi |
| 65 | + securityContext: |
| 66 | + privileged: true |
| 67 | + capabilities: |
| 68 | + add: |
| 69 | + - IPC_LOCK |
| 70 | + volumeMounts: |
| 71 | + - { mountPath: /dev/infiniband, name: devinf } |
| 72 | + - { mountPath: /dev/shm, name: shm } |
| 73 | + workingDir: /workspace |
| 74 | + dnsPolicy: ClusterFirstWithHostNet |
| 75 | + hostNetwork: true |
| 76 | + restartPolicy: OnFailure |
| 77 | + terminationGracePeriodSeconds: 2 |
| 78 | + volumes: |
| 79 | + - { name: devinf, hostPath: { path: /dev/infiniband }} |
| 80 | + - { name: shm, emptyDir: { medium: Memory, sizeLimit: 32Gi }} |
| 81 | + - minAvailable: 0 |
| 82 | + name: mpiworker |
| 83 | + replicas: 2 |
| 84 | + template: |
| 85 | + metadata: |
| 86 | + spec: |
| 87 | + containers: |
| 88 | + - command: |
| 89 | + - /bin/bash |
| 90 | + - -c |
| 91 | + - mkdir -p /var/run/sshd; /usr/sbin/sshd -D -p 2222 || sleep 999999999; |
| 92 | + image: iad.ocir.io/hpc_limited_availability/nccl-tests:pytorch-25.06-nccl-2.27.7-1 |
| 93 | + name: mpiworker |
| 94 | + ports: |
| 95 | + - { name: mpijob-port, containerPort: 2222, protocol: TCP } |
| 96 | + resources: |
| 97 | + limits: |
| 98 | + ephemeral-storage: 32Gi |
| 99 | + nvidia.com/gpu: 8 |
| 100 | + requests: |
| 101 | + cpu: 100 |
| 102 | + ephemeral-storage: 32Gi |
| 103 | + memory: 512Gi |
| 104 | + nvidia.com/gpu: 8 |
| 105 | + securityContext: |
| 106 | + privileged: true |
| 107 | + capabilities: |
| 108 | + add: |
| 109 | + - IPC_LOCK |
| 110 | + volumeMounts: |
| 111 | + - { mountPath: /dev/infiniband, name: devinf } |
| 112 | + - { mountPath: /dev/shm, name: shm } |
| 113 | + workingDir: /workspace |
| 114 | + dnsPolicy: ClusterFirstWithHostNet |
| 115 | + hostNetwork: true |
| 116 | + restartPolicy: OnFailure |
| 117 | + terminationGracePeriodSeconds: 15 |
| 118 | + tolerations: |
| 119 | + - { key: nvidia.com/gpu, operator: Exists } |
| 120 | + volumes: |
| 121 | + - { name: devinf, hostPath: { path: /dev/infiniband }} |
| 122 | + - { name: shm, emptyDir: { medium: Memory, sizeLimit: 32Gi }} |
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