Abstract
The IBM BlueGene/L (BG/L) super-computer holds 3 of the top 10 rankings on the 26th TOP500 list of LINPACK performance. The system is novel in its design in many aspects when compared to other more traditional high-performance computing systems.
When developing system libraries as well as when tuning application code for BG/L it is essential to be able to measure the impact of code modifications and algorithmic choices. PAPI is a platform neutral user level library to accomodate programmers’ need to access on-chip performance counters. This paper describes the implementation of the low-level kernel interface for hardware performance counter access on BG/L and the accompanying PAPI implementation.
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PAPI homepage and download site, http://icl.cs.utk.edu/papi/
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Smeds, N. (2007). A PAPI Implementation for BlueGene. In: Kågström, B., Elmroth, E., Dongarra, J., Waśniewski, J. (eds) Applied Parallel Computing. State of the Art in Scientific Computing. PARA 2006. Lecture Notes in Computer Science, vol 4699. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-75755-9_121
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DOI: https://doi.org/10.1007/978-3-540-75755-9_121
Publisher Name: Springer, Berlin, Heidelberg
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