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The figure shows the CPU and memory usage results of computing service devices. The worker and broker nodes exhibit similar and balanced resource usage, with CPU usage at 6.7% and memory usage at 7.2% because they have the same hardware system. The CPU usage of cloud nodes is similar to broker and worker devices with 6.2% although it is relatively more powerful and is optimized for computation. And, cloud node shows a slightly higher memory usage at 12.2%. Moreover, the edge device stands out with minimal CPU usage at just 0.4%, but significantly higher memory usage at 41.9%.
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IEEE/ICACT20250190 Slide.36
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