Shader Performance Analysis on a Modern GPU Architecture

  • Authors:
  • Victor Moya;Carlos Gonzalez;Jordi Roca;Agustin Fernandez;Roger Espasa

  • Affiliations:
  • Universitat Politècnica de Catalunya;Universitat Politècnica de Catalunya;Universitat Politècnica de Catalunya;Universitat Politècnica de Catalunya;Universitat Politècnica de Catalunya

  • Venue:
  • Proceedings of the 38th annual IEEE/ACM International Symposium on Microarchitecture
  • Year:
  • 2005

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Abstract

This paper presents an analysis of the performance of the shader processing units in a modern Graphics Processor Unit (GPU) architecture using real graphic applications. The architecture of a modern GPU is described and a simulator and associated framework used to evaluate the architecture is introduced. The paper analyses the effects in performance of different configurations of the shader processing units and compares a classic GPU with a unified shader GPU. The evaluated unified shader architecture proves to be 15% to 30% more efficient, in terms of area, with a 2% to 7% improvement in performance when compared with a similar non-unified architecture.