13. 12. 2013Migration SweetspotsKonstantin TabereTU DresdenVerteidigung der Diplomarbeit
To achieve this, it is necessary that the scheduler migrates processes from a cpu of one core to another cpu in a different core. These migrations can have a deep impact on the execution performance of a process when executed on a processor with multiple cache levels. When process data that is stored inside the cache of a previously used core has to be accessed from the new core, this can lead to a performance slow-down. With the help of performance counters, this diploma thesis tries to present one possible method to detect migration sweetspots - those crucial moments when migration of any process comes with less performance penalties. This paper also details a first implementation on the linux operating system of this kind of procedure. |
28. Oct 2020
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