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CPU accounting for multicore processors

Autor
Ruiz, J.; Moreto, M.; Cazorla, F. J.; Gioiosa, R.; Buyuktosunoglu, A.; Valero, M.
Tipus d'activitat
Article en revista
Revista
IEEE transactions on computers
Data de publicació
2012-02
Volum
61
Número
2
Pàgina inicial
251
Pàgina final
264
DOI
https://doi.org/10.1109/TC.2011.152 Obrir en finestra nova
URL
http://ieeexplore.ieee.org/document/5989796/ Obrir en finestra nova
Resum
In single-threaded processors and Symmetric Multiprocessors the execution time of a task depends on the other tasks it runs with (the workload), since the Operating System (OS) time shares the CPU(s) between tasks in the workload. However, the time accounted to a task is roughly the same regardless of the workload in which the task runs in, since the OS takes into account those periods in which the task is not scheduled onto a CPU. Chip Multiprocessors (CMPs) introduce complexities when accounti...
Paraules clau
CPU accounting, Cache partitioning algorithms, Chip-multiprocessor, Shared last level of cache
Grup de recerca
CAP - Grup de Computació d'Altes Prestacions

Participants