Preface The GraphHPC-2017 conference was held on March 2, 2017, Moscow, Russia. The conference was organized by DISLab Lab- oratory of JSC NICEVT and Research Computing Center of Lomonosov Moscow State University. The GraphHPC-2017 conference was focused on high perfor- mance large-scale graph processing and the aim was to bring together hardware, software and application developers to ad- dress the most difficult scientific and engineering challenges in graph computation. Program Committee Chair Voevodin V. V., Corresponding member of the Russian Academy of Sciences, MSU RCC Program Committee Simonov A. S., PhD, JSC NICEVT Frolov A. S., DISLab (JSC NICEVT) Semenov A. S., PhD, DISLab (JSC NICEVT) Pozdneev A. V., PhD, IBM Daryin A. N., PhD, Google Korzh A. A., PhD, Micron Chernoskutov M. A., IMM Ural Branch of RAS Tkachev D. F., Qrator Labs