ServiceNow Research

Breadth-First Pipeline Parallelism


We introduce Breadth-First Pipeline Parallelism, a novel training schedule which optimizes the combination of pipeline and data parallelism. Breadth-First Pipeline Parallelism lowers the training time, cost and memory usage by combining a high GPU utilization with a small batch size per GPU, and by making use of fully sharded data parallelism. Experimentally, we observed increases of up to 53% in training speed.

Conference on Machine Learning and Systems
Joel Lamy Poirier
Joel Lamy Poirier
Applied Research Scientist

Applied Research Scientist at Large Language Models Lab located at Montreal, QC, Canada.