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- Title
Adapting concurrency throttling and voltage-frequency scaling for dense eigensolvers.
- Authors
Aliaga, José; Barreda, María; Castaño, M.; Dolz, Manuel; Quintana-Ortí, Enrique
- Abstract
We analyze power dissipation and energy consumption during the execution of high-performance dense linear algebra kernels on multi-core processors. On top of this analysis, we propose and evaluate several strategies to adapt concurrency throttling and the voltage-frequency setting in order to obtain an energy-efficient execution of LAPACK's routine dsytrd. Our strategies take into account the differences between the memory-bound and CPU-bound kernels that govern this routine, and whether problem data fits into the processor's last level cache.
- Subjects
COMPUTER simulation of energy dissipation; VOLTAGE-frequency converters; EIGENVALUES; KERNEL (Mathematics); HIGH performance computing; ENERGY consumption
- Publication
Journal of Supercomputing, 2017, Vol 73, Issue 1, p29
- ISSN
0920-8542
- Publication type
Article
- DOI
10.1007/s11227-015-1600-z