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Mapping Irregular Computations for Molecular Docking to the SX-Aurora TSUBASA Vector Engine
Event Type
Workshop
Tags
Algorithms
Architectures
Big Data
Data Analytics
Memory Systems
Numerical Algorithms
Registration Categories
W
TimeMonday, 15 November 202110:30am - 11am CST
Location224
DescriptionMolecular docking is a key method in computer-aided drug design, where the rapid identification of drug candidates is crucial for combating diseases. AutoDock is a widely-used molecular docking program, having an irregular structure characterized by a divergent control flow and compute-intensive calculations. This work investigates porting AutoDock to the SX-Aurora TSUBASA vector engine and evaluates the achievable performance on a number of real-world input compounds. In particular, we discuss the platform-specific coding styles required to handle the high degree of irregularity in both local-search methods employed by AutoDock. These Solis-Wets and ADADELTA methods take up a large part of the total computation time. Based on our experiments, we achieved runtimes on the SX-Aurora TSUBASA VE20B that are on average 3× faster than on modern dual-socket 64-core CPU nodes. Our solution is competitive with V100 GPUs, even though these already use newer chip fabrication technology (12nm vs. 16nm on the VE20B).
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