Concurrency emulation and analysis of parallel applications for multi-processor system-on-chip co-design

  • Authors:
  • Giovanni Beltrame;Luca Fossati;Donatella Sciuto

  • Affiliations:
  • European Space Agency, Noordwijk, Netherlands;Politecnico di Milano, Milan, Italy;Politecnico di Milano, Milan, Italy

  • Venue:
  • CODES+ISSS '08 Proceedings of the 6th IEEE/ACM/IFIP international conference on Hardware/Software codesign and system synthesis
  • Year:
  • 2008

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Abstract

This paper presents a novel technique for the modeling and the simulation of parallel applications for Multi-Processor Systems-on-Chip (MPSoCs). This technique consists of an application-transparent emulation of OS primitives, including task creation, scheduling, synchronization etc.; this emulation guarantees compatibility with any program compiled against the standard POSIX library, independently of the target OS. This methodology can be used to perform initial HW/SW partitioning and concurrent engineering of a given application, as it allows any software routine to be transparently emulated with SystemC modules. The proposed approach has been verified on a large set of multi-threaded benchmarks, with both POSIX Threads and OpenMP programming styles. Results show that our methodology enables (a) fast simulation of POSIX applications, (b) accurate analysis of multi-threaded applications, and (c) co-design and fast preliminary hardware-software partitioning.