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· 11 min read
Cristian Morales Pérez
David Vicente Dorca

On MareNostrum 4, the frequency is limited to 2,1 GHz by a recommendation of the vendor. During some tests removing this limit, we detected that depending on the application the performance increases or decreases. Also, we observed on some cases a higher power consumption.

Therefore, we run several tests measuring the performance and power consumption on nodes with and without the frequency limit.