Remove NCCL_NVLS_ENABLE setting from JAX image
#1708
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olupton
approved these changes
Oct 6, 2025
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Removal of NCCL_NVLS_ENABLE=0 setting enables NVLink SHARP on systems which support it by default. Change (to be) added for 25.10 NGC release.
EKS(due to @nouiz)a3-megagpu-8g) cluster regression to ~180 toks/s vs ~210 toks/s before on llama2b MaxText training - NCCL bandwidth across four tested operations show the same performance