本文详细分析了Tesla GPU图形与计算架构和CUDA统一计算设备架构，详细描述了如何对计算任务进行并行分解，并通过CUDA的双层并行编程模型映射到Tesla GPU上。-This paper analyzes the Tesla GPU computing architecture and CUDA graphics and computing devices unified framework, a detailed descr iption of how parallel computing task decomposition, and through the double CUDA parallel programming model is mapped to Tesla GPU on.