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Per-Thread Cycle Accounting

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2 Author(s)
Eyerman, S. ; Electron. & Inf. Syst. Dept., Ghent Univ., Ghent, Belgium ; Eeckhout, L.

Resource sharing unpredictably affects per-thread performance in multithreaded architectures, but system software assumes all coexecuting threads make equal progress. Per-thread cycle accounting addresses this problem by tracking per-thread progress rates for each coexecuting thread. This approach has the potential to improve Quality Of Service (QoS), Service-Level Agreements (SLA), performance predictability, service differentiation, and proportional-share performance on multithreaded architectures.

Published in:

Micro, IEEE  (Volume:30 ,  Issue: 1 )