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A Framework for End-to-End Simulation of High-performance Computing Systems

¹ IBM Zürich Research Laboratory, Rüschlikon, Switzerland
² IBM Austin Research Laboratory, Austin, TX, USA
³ Spawn Labs Inc., Austin, TX, USA
⁴ Computer Science Department, Texas A&M University, College Station, TX, USA

^* To whom correspondence should be addressed. E-mail: wde{at}zurich.ibm.com.

	Abstract

We present an end-to-end simulation framework that is capable of simulating High-Performance Computing (HPC) systems with hundreds of thousands of interconnected processors. The tool applies discrete event simulation and is driven by real-world application traces. It provides a semantically correct replay of MPI application traces and maintains reasonable simulation details of both the processors in general and the interconnection network in particular. Among other things, it features several interconnection network topologies, flexible routing schemes, arbitrary application task placement, point-to-point statistics collection, and data visualization. With a few case studies, we demonstrate the usefulness of this tool for assisting high-level system design as well as for performance projection and application tuning of future HPC systems.

First published on October 22, 2009
SIMULATION 2009, doi:10.1177/0037549709340840


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