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Memory system evaluation of disaggregated high performance parallel systems

Papadakis Orion-Nikolaos

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Year 2017
Type of Item Diploma Work
Bibliographic Citation Orion-Nikolaos Papadakis, "Memory system evaluation of disaggregated high performance parallel systems", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2017
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Supercomputers or High Performance Computers (HPC), traditionally play a significant role either in the Computer Architecture scientific field, or in the Computer Science, due to their usage in manner computing processes, scientific research and applications. Consequently, the study around them, as well as, the Memory System performance and size study is necessary about their further evolve, due to the traditional bottleneck between Memory and CPU speed (memory gap). Large resources inefficiencies (mostly in Memory) as well as, significant power consumption regarding to the current Cloud Data Center structure, have been observed. Their mainboard-oriented monolithic structure fails to operate in an optimal way with the hardware, corresponding to the modern application needs. Larger Data Center are being built, in response to that problem, a strategy which leads to even more power consumption. The nowadays research about Disaggregated Architecture Systems, study those problems. It aims to change the traditional mainboard-organized Data Center structure by proposing a more flexible and software-controlled one, organized around Pooled Disaggregated Resources. The current diploma thesis is part of the DiMEM Simulator, a modular execution-driven Disaggregated Memory Simulation tool study and implementation. That tool approximately tries to depict the Disaggregated Memory System behaviour using HPC workload. The DiMEM Simulator couples the Intel PIN framework with DRAMSim2 Memory Simulator, where that thesis also focuses. The main study object are the DRAMs, the Memory Simulation methods, the Disaggregated Memory Simulation implementation, as well as the parameters experimentation. The presented results show the approximated Disaggregated Memory System behaviour.

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