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Loop tiling is a compiler transformation that tailors an application's working set to fit in a cache hierarchy. On today's multicore processors, part of the hierarchy especially the last level cache (LLC) is shared. The available cache space in shared cache changes depending on co-run applications. Furthermore on machines with an inclusive cache hierarchy, the interference in the shared cache can...
Because of the interference in the shared cache on multicore processors, the performance of a program can be severely affected by its co-running programs. If job scheduling does not consider how a group of tasks utilize cache, the performance may degrade significantly, and the degradation usually varies sizably and unpredictably from run to run. In this paper, we use trace-based program locality analysis...
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