HPC Asia is an international conference series on HPC technologies in Asia Pacific region and was held in the past several times in several countries in asian regional sites to discuss the issues on high performance computing and to exchange information of research and development results.The topics for HPC Asia 2018 include (1) algorithms and applications in science and enginnering including big data and artificial intelligence, (2) performance evaluation, analysis and modeling, (3) programming models, system software, and tools, (4) data, sotrage, and visualization, and (5) computer architectures and networks, but are not limited to the above.