NIXT is a relational exporter and analysis layer for NCCL Inspector data that turns high-volume profiler logs into summary statistics and correlation queries, validated on Nemotron-4 training up to 2,048 GPUs.
Mycroft: Tracing dependencies in collective communication towards reliable LLM training,
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NIXT: A NCCL Inspector Exporter Tool for Observability of Collective Communication in Large Model Training
NIXT is a relational exporter and analysis layer for NCCL Inspector data that turns high-volume profiler logs into summary statistics and correlation queries, validated on Nemotron-4 training up to 2,048 GPUs.