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Performance Predictions for General-Purpose Computation on GPUs

Weiguo Liu, Wolfgang M. Wittig, Bertil Schmidt
Centre for Adv. Media Technol., Nanyang Technological University, Singapore
In ICPP ’07: Proceedings of the 2007 International Conference on Parallel Processing (2007), 50.

@conference{liu2007performance,

   title={Performance Predictions for General-Purpose Computation on GPUs},

   author={Liu, W. and Schmidt, B.},

   booktitle={Parallel Processing, 2007. ICPP 2007. International Conference on},

   pages={50},

   issn={0190-3918},

   year={2007},

   organization={IEEE}

}

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Using modern graphics processing units for no-graphics high performance computing is motivated by their enhanced programmability, attractive price/performance ratio and incredible growth in speed. Although the pipeline of a modern graphics processing unit (GPU) permits high throughput and more concurrency, they bring more complexities in analyzing the performance of GPU-based applications. In this paper, we identify factors that determine performance of GPU-based applications. We then classify them into three categories: data-linear, data-constant and computation-dependent. According to the characteristics of these factors, we propose a performance model for each factor. These models are then used to predict the performance of bio-sequence database scanning application on GPUs. Theoretical analyses and measurements show that our models can achieve precise performance predictions.
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