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Zero Bubble Pipeline Parallelism

Zero Bubble Pipeline Parallelism is a novel pipeline parallelism algorithm able to reduce the bubble of pipeline parallelism to almost zero while preserving synchronous semantics.

Check out our paper at:

• Arxiv Version with ZBV
• ICLR Accepted version with ZB1P and ZB2P

Try out our implementation based on Megatron on https://github.com/sail-sg/zero-bubble-pipeline-parallelism

Experiments shows zero bubble pipeline parallelism can accelerate training up to 30% with a similar memory comsumption. A detailed table of experiments is coming soon.