计算机科学 ›› 2013, Vol. 40 ›› Issue (Z6): 210-216.
田泽,张骏,许宏杰,郭亮,黎小玉
TIAN Ze,ZHANG Jun,XU Hong-jie,GUO Liang and LI Xiao-yu
摘要: 图形处理器(GPU)以其强大的图形加速性能以及在通用计算领域的出色表现正在被越来越广泛地应用。但随着芯片规模和集成度的不断提升,单个GPU芯片的功耗已经高达376W,是高端通用处理器的2~3倍。高功耗带来的可靠性、稳定性以及芯片成本问题使“功耗墙”已经成为未来GPU设计过程中需要突破的关键问题之一。立足于体系结构层次,结合图形处理器的渲染流水线的结构特点,从深度测试和消隐、染色器数据通路、纹理映射和压缩、渲染策略、寄存器文件和片上Cache等角度描述了图形处理器的低功耗设计技术,并指出了GPU低功耗设计技术的进一步研究方向。
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