LLM Context Parallel in Production: Breaking Long-Context Bottlenecks with Sequence Sharding, Ring/Ulysses Communication, and Causal Load Balancing
An in-depth guide to Context Parallel for long-context LLM training, covering Ring Attention vs. Ulysses communication, causal load balancing strategies, and production deployment checks to scale context from 8K to 128K+ tokens on multi-GPU clusters.