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The impact of the AC922 Architecture on Performance of Deep Neural Network Training

Abstract

Practical deep learning applications require more and more computing power. New computing architectures emerge, specifically designed for the artificial intelligence applications, including the IBM Power System AC922. In this paper we confront an AC922 (8335-GTG) server equipped with 4 NVIDIA Volta V100 GPUs with selected deep neural network training applications, including four convolutional and one recurrent model. We report performance results depending on batch sizes and GPU selection and compare them with the results from another contemporary workstation based on the same set of GPUs – NVIDIA® DGX Station ™ . The results show that the AC922 performs better in all tested configurations, achieving improvements up to 10.3%. Profiling indicates that the improvement is due to the efficient I/O pipeline. The performance differences depend on the specific model, rather than on the model class (RNN/CNN). Both systems offer good scalability up to 4 GPUs. In certain cases there is a significant difference in performance depending on exactly which GPUs are used for computations.

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Details

Category:
Conference activity
Type:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Title of issue:
2019 International Conference on High Performance Computing & Simulation (HPCS) strony 666 - 673
Language:
English
Publication year:
2020
Bibliographic description:
Rościszewski P., Iwański M., Czarnul P.: The impact of the AC922 Architecture on Performance of Deep Neural Network Training// 2019 International Conference on High Performance Computing & Simulation (HPCS)/ : , 2020, s.666-673
DOI:
Digital Object Identifier (open in new tab) 10.1109/hpcs48598.2019.9188164
Verified by:
Gdańsk University of Technology

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