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Electronics 2018, 7(8), 152; https://doi.org/10.3390/electronics7080152

Fast and Accurate Memory Simulation by Integrating DRAMSim2 into McSimA+

1
Department of Electrical and Computer Engineering, Seoul National University, Seoul 08826, Korea
2
Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea
*
Author to whom correspondence should be addressed.
Received: 2 July 2018 / Revised: 10 August 2018 / Accepted: 17 August 2018 / Published: 20 August 2018
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Abstract

Computer architecture simulators play a crucial role in the verification of a new system’s design. However, a single simulator may not be sufficient in covering detailed modeling of the entire system, thereby lacking in the simulation of a specific functionality under investigation. In this case, combining two simulators is necessary to compensate for the drawbacks of a single simulator. This paper proposes the integration of DRAMSim2, a simulator that thoroughly models DDR-SDRAM main memory architecture, into the application-level+ simulator McSimA+. The challenges of achieving an efficient integration, especially the integration of a cycle-accurate simulator into an event-driven environment, are addressed. The combined simulator achieves high accuracy due to cycle-accurate simulation while maintaining high speed and flexibility of the event-driven application-level+ simulator. The new simulator’s overall system performance and the accuracy of the newly-integrated power model are verified against the gem5 simulator. View Full-Text
Keywords: computer architecture; simulator integration; DRAMSim2; McSimA+ computer architecture; simulator integration; DRAMSim2; McSimA+
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Bick, K.; Nguyen, D.T.; Lee, H.-J.; Kim, H. Fast and Accurate Memory Simulation by Integrating DRAMSim2 into McSimA+. Electronics 2018, 7, 152.

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