2009
DOI: 10.1007/978-3-642-03869-3_16
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PSINS: An Open Source Event Tracer and Execution Simulator for MPI Applications

Abstract: As the size of today's supercomputers grow exponentially in numbers of processors, the applications that run on these systems scale to larger processor counts. The majority of these applications commonly use MPI; a trace of these MPI communication events is an important input to the tools that visualize, simulate for performance modeling, or enable tuning of parallel applications. We introduce an efficient, accurate and flexible trace-driven performance modeling and prediction tool, PMaC's Open Source Intercon… Show more

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Cited by 53 publications
(65 citation statements)
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“…It provides flexible routing schemes, arbitrary application task placement, and uses direct execution for MPI communications to accelerate the simulation. PSiNS (PMaC's open Source interconnect and Network Simulator) [22] is a trace-driven performance modeling and prediction tool for MPI applications, similar to Dimemas. PSiNS includes several built-in communication models (namely simple, resource contention, and PMaC) that can be used to investigate a target system.…”
Section: Related Workmentioning
confidence: 99%
“…It provides flexible routing schemes, arbitrary application task placement, and uses direct execution for MPI communications to accelerate the simulation. PSiNS (PMaC's open Source interconnect and Network Simulator) [22] is a trace-driven performance modeling and prediction tool for MPI applications, similar to Dimemas. PSiNS includes several built-in communication models (namely simple, resource contention, and PMaC) that can be used to investigate a target system.…”
Section: Related Workmentioning
confidence: 99%
“…Simulators range from cycle accurate [5,31] to abstract model-driven message passing simulation [18]. Trace-driven simulators such as SimGrid [9], DIMEMAS [33], and PSINS [34] simulate more detailed network models. Other simulators, such as BigSim [42], Silas [15], and MPI-SIM [1], use direct or kernel execution to assess computation or communication times more accurately.…”
Section: Related Workmentioning
confidence: 99%
“…Green Queue uses PSiNSTracer [15], an open source MPI tracing and profiling library, to identify load imbalances in MPI applications. For this work, we extended PSiNSTracer to allow MPI profiling layer functions to be introduced to the application via the LD_PRELOAD environment variable on Linux systems, so it therefore requires no modifications to any stage of the application build process to use it.…”
Section: B Mpi Communications Behaviormentioning
confidence: 99%
“…The measurements of MPI behavior are collected using PSiNSTracer [15], an open source MPI tracing and profiling library.…”
Section: B Inter-node Frequency Scaling On Load Imbalancementioning
confidence: 99%