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Runtime Memory Controller Profiling with Performance Analysis for DRAM Memory Controllers

Title
Runtime Memory Controller Profiling with Performance Analysis for DRAM Memory Controllers
Author
정기석
Keywords
memory controller; memory profiler; runtime analysis
Issue Date
2018-07
Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
Citation
JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS, v. 27, no. 8, Article no. 1850126
Abstract
The main memory system has become crucial not only because it has to meet an increasing bandwidth requirement, but also because it has to seamlessly support many concurrently executing applications. In order to improve memory performance, a memory controller with efficient arbitration is necessary. It is well known that memory performance is dependent on the memory access patterns. The offline performance analysis has dificulty analyzing the Dynamic Random Access Memory (DRAM) performance accurately because a huge set of trace patterns is needed. This paper proposes a novel profiler that is synthesized with a memory controller in order to monitor and analyze the memory controller performance at runtime. In this paper, five key metrics for performance evaluation are defined and they are monitored and evaluated at runtime by the proposed profiler. A prototype system with a processor core, a memory controller, DRAM modules, and peripheral devices are implemented on a field-programmable gate array (FPGA) board to carry out the experiments. It has been observed that the worst latency overhead differs for each benchmark. In addition, a new overall overhead estimation method is proposed to estimate the memory access latency overhead in time, and this method can be used to evaluate the performance of a certain memory arbitration method depending on running applications.
URI
https://www.worldscientific.com/doi/abs/10.1142/S0218126618501268https://repository.hanyang.ac.kr/handle/20.500.11754/119346
ISSN
0218-1266; 1793-6454
DOI
10.1142/S0218126618501268
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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