Supercomputing is a strategic tool for the future. These proceedings examine the most recent advances in effective applications of supercomputing and offer provocative visions of the future. Special focus is given to the spread of applications in both the public and commercial sectors where supercomputing is being increasingly embraced as the ultimate competitive tool in the global arena.

It constitutes the refereed proceedings of the 4th Asian Supercomputing Conference, SCFA 2018, held in Singapore in March 2018. Supercomputing Frontiers will be rebranded as Supercomputing Frontiers Asia (SCFA), which serves as the technical programme for SCA18. The technical programme for SCA18 consists of four tracks: Application, Algorithms & Libraries Programming System Software Architecture, Network/Communications & Management Data, Storage & Visualisation The 20 papers presented in this volume were carefully reviewed nd selected from 60 submissions.