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SOS is a new model for the online in situ characterization and analysis of complex high-performance computing applications. SOS employs a data framework with distributed information management and structured query and access capabilities. The primary design objectives of SOS are flexibility, scalability, and programmability. SOS provides a complete framework that can be configured with and used directly...
The Argo project is a DOE initiative for designing a modular operating system/runtime for the next generation of supercomputers. A key focus area in this project is power management, which is one of the main challenges on the path to exascale. In this paper, we discuss ideas for systemwide power management in the Argo project. We present a hierarchical and scalable approach to maintain a power bound...
As software complexity increases, the analysis of code behavior during its execution is becoming more important. Instrumentation techniques, through the insertion of code directly into binaries, are essential for program analyses used in debugging, runtime profiling, and performance evaluation. In the context of high-performance parallel applications, building an instrumentation framework is quite...
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