Author

Feng Liu

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Preprint Aug 2026

VPP: Virtual Pipeline Parallelism for Efficient Chunked Prefill in Long-Context LLM Inference

This study proposes Virtual Pipeline Parallelism (VPP), which keeps chunk sizes fixed and optimizes the pipeline layout through virtual stages, which improves throughput by up to 13.1% over DCPP on long sequences and 6.7% on mixed workloads, while preserving performance on short sequences.

Yan Shi, Xiao-Chao Wang, Jin-Chun Gao et al. · 1 citation