SIMD optimization of in-situ PBVR

Kawamura, Takuma ; Idomura, Yasuhiro   

In-Situ PBVR using Particle-Based Volume Rendering (PBVR) is a framework that enables interactive visualization of simulations on supercomputers, and synthesis of volume data and transfer function by user specified algebraic equation by means of computer algebra system. Simulations are accelerated by the appearance of many core architecture, and optimization of in-situ PBVR is also required. We constructed a novel computer algebra system using reverse Polish notation for SIMD optimization of In-Situ PBVR. We applied the proposed method to fuel melting simulation in the nuclear field, and visualization performance was improved by more than 10 times on the latest KNL architecture.