[KongchangAI]
Unverified50% confidenceFactExact time

When running LLMs across multiple GPUs in parallel, tensor parallelism is limited by PCIe bandwidth and latency due to frequent synchronization of activations between cards; pipeline parallelism has pipeline bubbles, and utilization depends on the number of micro-batches.

1
Sources
50%
Confidence
Long-term
Relevance
11/1/2026
First Seen

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