Measuring operating system overhead on Sun UltraSparc T1 processor
Visualitza/Obre
Estadístiques de LA Referencia / Recolecta
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/10755
Tipus de documentText en actes de congrés
Data publicació2009-06
Condicions d'accésAccés obert
Llevat que s'hi indiqui el contrari, els
continguts d'aquesta obra estan subjectes a la llicència de Creative Commons
:
Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
Numerous studies have shown that Operating System (OS) noise is one of the reasons for significant performance degradation in clustered architectures. Although many studies examine the OS noise for High Performance Computing, especially in multi-processor/core systems, most of them
focus on 2- or 4-core systems. In this study, we analyze sources of OS noise on a massive multithreading processor, the Sun
UltraSPARC T1.We compare results, measured in Linux and Solaris, with the results provided by a low-overhead runtime environment that introduces almost no overhead in applications’ execution time. Our results show that the overhead introduced by the OS timer interrupt in Linux and Solaris depends on the particular core and hardware context in which the application is running. This overhead is up to 30% when the application is executed on the same hardware context as the timer interrupt handler, and up to 10% when the application and the timer interrupt handler run on different contexts but on the same core. We detect no overhead when the benchmark and the timer interrupt handler run on different cores of the processor.
CitacióRadojkovic, P. [et al.]. Measuring operating system overhead on Sun UltraSparc T1 processor. A: International Summer School on Advanced Architecture and Compilation for Embedded Systems. "5th International Summer School on Advanced Architecture and Compilation for Embedded Systems". Terrassa (Barcelona): 2009.
Fitxers | Descripció | Mida | Format | Visualitza |
---|---|---|---|---|
OSOverhead.pdf | 312,1Kb | Visualitza/Obre |