Download PDFOpen PDF in browserPeer-to-Peer Data Transfer Evaluation in SmartSSD-based Multi-devices System9 pages•Published: January 24, 2024AbstractDue to the growing demands on big data, data centers are expanding their systems to improve their capacity and capability. Common expansion techniques are: adding more memories, increasing the storage capacity, and attaching hardware accelerator devices. Benefit aside, such expansion puts a higher demand on the host system due to the increasing amount of data movements. It quickly consumes the available system bandwidth and sets a heavy burden on data transfers among the devices. To ease this situation, recent advanced solutions have appeared to optimize the data flow. These include peer-to-peer data transfer, allowing direct device-to-device data exchange without involving host memory. This paper evaluates the system performance for peer-to-peer (P2P) data transfer among connected devices. The results show that P2P data transfer between two devices in the system is 2x - 6x faster than non-P2P cases via bypassing the host memory. Not only does it reduce the memory occupancy but also the system power cost.Keyphrases: data transfer, Multi-cores System, P2P, peer-to-peer, SmartSSD In: Krishna Kambhampaty, Gongzhu Hu and Indranil Roy (editors). Proceedings of 36th International Conference on Computer Applications in Industry and Engineering, vol 97, pages 72--80
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