Add llama3-1-405b 16node recipe on A4x #53
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suffiank
reviewed
Nov 27, 2025
| value: VERSION | ||
| - name: NCCL_ALGO | ||
| value: "Ring,Tree" | ||
| - name: NCCL_NET_GDR_LEVEL |
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Where did these (NCCL variables) get inherited from? I think these are supposed to be set a script that the host networking team ships.
suffiank
approved these changes
Nov 27, 2025
| targetNodepools: null | ||
| tasSettings: | ||
| topologyRequest: | ||
| kueue.x-k8s.io/podset-preferred-topology: kubernetes.io/hostname |
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Is this right? Does it need to require SBRG and then prefer a certain number of VMs within a rack?
| @@ -0,0 +1,207 @@ | |||
| """Nemo2 pretraining recipe for Llama 3.1 405B model.""" | |||
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Nothing in this script hard codes FP8-CS or GBS 2048, I think? So curious if that needs to be in the filename.
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Adds the optimal helm chart for llama405b on A4X(GB200) machines