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Article Dans Une Revue Integration, the VLSI Journal Année : 2021

Standard-compliant parallel SystemC simulation of loosely-timed transaction level models: From baremetal to Linux-based applications support

Résumé

To face the growing complexity of System-on-Chips (SoCs) and their tight time-to-market constraints, Virtual Prototyping (VP) tools based on SystemC/TLM2.0 must get faster while maintaining accuracy. However, the ASI SystemC reference implementation remains sequential and cannot leverage the multiple cores of modern workstations. In this paper, we present SCale 2.0, a new implementation of a parallel and standard-compliant SystemC kernel, reaching unprecedented simulation speeds. By coupling a parallel SystemC kernel with shared resources access monitoring and process-level rollback, we can preserve SystemC atomic thread evaluation while leveraging the available host cores. We also generate process interaction traces that can be used to replay any simulation deterministically for debug purpose. Evaluation on baremetal applications shows ×15 speedup compared to the ASI SystemC kernel using 33 host cores reaching speeds above 2300 Million simulated Instructions Per Second (MIPS). Challenges related to parallel simulation of full software stack with modern operating systems are also addressed with speedup reaching ×13 during recording run and ×24 during the replay run.
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Dates et versions

hal-03487607 , version 1 (17-12-2021)

Identifiants

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Gabriel Busnot, Tanguy Sassolas, Nicolas Ventroux, Matthieu Moy. Standard-compliant parallel SystemC simulation of loosely-timed transaction level models: From baremetal to Linux-based applications support. Integration, the VLSI Journal, 2021, 79, pp.23-40. ⟨10.1016/j.vlsi.2020.12.006⟩. ⟨hal-03487607⟩
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