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Ramulator 2.0: A Modern, Modular, and Extensible DRAM Simulator (2308.11030v2)

Published 21 Aug 2023 in cs.AR and cs.CR

Abstract: We present Ramulator 2.0, a highly modular and extensible DRAM simulator that enables rapid and agile implementation and evaluation of design changes in the memory controller and DRAM to meet the increasing research effort in improving the performance, security, and reliability of memory systems. Ramulator 2.0 abstracts and models key components in a DRAM-based memory system and their interactions into shared interfaces and independent implementations. Doing so enables easy modification and extension of the modeled functions of the memory controller and DRAM in Ramulator 2.0. The DRAM specification syntax of Ramulator 2.0 is concise and human-readable, facilitating easy modifications and extensions. Ramulator 2.0 implements a library of reusable templated lambda functions to model the functionalities of DRAM commands to simplify the implementation of new DRAM standards, including DDR5, LPDDR5, HBM3, and GDDR6. We showcase Ramulator 2.0's modularity and extensibility by implementing and evaluating a wide variety of RowHammer mitigation techniques that require different memory controller design changes. These techniques are added modularly as separate implementations without changing any code in the baseline memory controller implementation. Ramulator 2.0 is rigorously validated and maintains a fast simulation speed compared to existing cycle-accurate DRAM simulators. Ramulator 2.0 is open-sourced under the permissive MIT license at https://github.com/CMU-SAFARI/ramulator2

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References (19)
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Citations (20)

Summary

  • The paper introduces a modern, modular DRAM simulator that offers extensibility for evolving memory research.
  • It employs a versatile architecture that simplifies integration of new DRAM models and simulation techniques.
  • Evaluations demonstrate the simulator’s effectiveness in delivering accurate performance analysis and improved design flexibility.

Overview of "Bare Advanced Demo of IEEEtran.cls for IEEE Computer Society Journals"

The paper "Bare Advanced Demo of IEEEtran.cls for IEEE Computer Society Journals," authored by Michael Shell, John Doe, and Jane Doe, presents a demonstrative guide for authors intending to prepare manuscripts for submission to IEEE Computer Society journals using the IEEEtran LaTeX class in its version 1.8b. This document provides a structured template for ensuring compliance with IEEE's formatting requirements and aims to serve as an initial starting point for researchers in the field of computer science and related disciplines.

Content and Structure

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Implications and Uses

The value of this paper lies in its utility for researchers who are less familiar with the LaTeX typesetting system and who demand a consistent, professional presentation of their work. By adhering to the format illustrated in this demo, authors can focus more on content generation and domain-specific contributions without the distraction of structural formatting issues. This ensures that submitted manuscripts are unlikely to be rejected on the basis of formatting discrepancies.

This paper stands as a foundational document for academic authors, reinforcing the adoption of standardized practices in scholarly communication within IEEE publications. While it does not introduce new computational theories or results, it holds substantial practical implications for manuscript preparation, helping streamline the editorial processes associated with technical paper submissions.

Future Developments

As academic publishing evolves, the specifications and tools for document preparation may also undergo changes. Future iterations of the IEEEtran class may incorporate new features to accommodate evolving typesetting needs, including integration with modern pre-print servers or interactive document elements. Thus, ongoing updates to such template guides will be essential to meet the advancing demands of academic publishing.

In conclusion, Shell, Doe, and Doe's paper is an essential reference tool within the IEEE publication framework. By providing a comprehensive example document, it significantly aids authors in producing manuscripts that meet the rigorous standards expected by IEEE journals, fostering a consistent scholarly culture across submitted work.

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