Smart city and smart planet are the new stages of global information development. As the core technology for the development of smart city, high performance computing got new challenges and opportunities. The challenges of smart city to high performance computing include: massive data computing, realtime computing, social computing and effective computing. Shenzhen Institutes of Advanced Technology (SIAT), Chinese Academy of Sciences, is working on these areas; the latest development and infrastructure built at SIAT are summarized in this paper.