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Automatic Multi-Core Cache Characteristics Modelling

Research group:

Publication Type:

Conference/Workshop Paper


Sixth Swedish Workshop on Multicore Computing


When updating low-level software for large computer systems it is dicult to verify whether performance requirements are met or not. Common practice is to measure the performance only when the new software is fully developed and has reached system veri cation. Since this gives long lead-times it becomes costly to remedy performance problems. Our contribution is that we have deployed a new method to synthesise production workload. We have, using this method, created a multi-core cache characteristics model. We have validated our method by deploying it in a production system as a case study. The result shows that the method is suciently accurate to detect changes and mimic cache characteristics and performance, and thus giving early characteristics feedback to engineers.We have also applied the model to a real software update detecting changes in performance characteristics similar to the real system.


author = {Marcus J{\"a}gemar and Sigrid Eldh and Andreas Ermedahl and Bj{\"o}rn Lisper},
title = {Automatic Multi-Core Cache Characteristics Modelling},
month = {November},
year = {2013},
booktitle = {Sixth Swedish Workshop on Multicore Computing},
url = {}