DISTRIBUTED TRAINING OF LARGE SCALE EXPONENTIAL LANGUAGE MODELS
Language Modeling
Přednášející: Bhuvana Ramabhadran, Autoři: Abhinav Sethy, Stanley Chen, Bhuvana Ramabhadran, IBM, United States
Shrinkage-based exponential language models, such as the recently introduced Model M, have provided significant gains over a range of tasks . Training such models requires a large amount of computational resources in terms of both time and memory. In this paper, we present a distributed training algorithm for such models based on the idea of cluster expansion . Cluster expansion allows us to efficiently calculate the normalization and expectations terms required for Model M training by minimizing the computation needed between consecutive n-grams. We also show how the algorithm can be implemented in a distributed environment, greatly reducing the memory required per process and training time.
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