•1 min read•from Machine Learning
ResBM: a new transformer-based architecture for low-bandwidth pipeline-parallel training, achieving 128× activation compression [R]
Macrocosmos has released a paper on ResBM (Residual Bottleneck Models), a new transformer-based architecture designed for low-bandwidth pipeline-parallel training.
https://arxiv.org/abs/2604.11947
ResBM introduces a residual encoder-decoder bottleneck across pipeline boundaries, with the goal of reducing inter-stage communication while preserving an explicit low-rank identity path. The paper reports SOTA 128× activation compression without significant loss in convergence relative to uncompressed baselines.
In their experiments, the strongest compressed results use Muon, and the paper positions ResBM as a development in decentralized / internet-grade pipeline parallel training.
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