University of Siena (Italy)

Although founded only 15 years ago, the Faculty of Engineering of Siena ranks first in Italy in the area of Industrial and Information Engineering, as reported by an independent national evaluation conducted by our Ministry, evaluating the research activity in the period 2003-2006. Our Faculty relies on a single Department: the Department of Information Engineering, which consists of 46 professors and 52 PhD students and post-doctoral fellows.

The current research activities address the processor and co-processor architecture, the design of memory hierarchies for both con-strained and high-performance systems, and the optimization of application and system-level software via compile and runtime approaches, aiming to the optimum exploitation of architectural resources (performance, power). More in details, our main research activities focus on the following topics:

  • design of next generation Computing Systems, addressing the challenges deriving from the shift towards on-chip multi-core and many-core architectures constrained by wire-delay and power-density problems, including coherency.
  • new programming models and non-conventional execution paradigms (Scheduled Data-flow) for exploiting thread-level parallelism (TLP) and Decoupled Threaded Architecture (DTA).
  • performance evaluation of wide-range of applications (Multimedia Real Time Computation, Medical Imaging, Web and Transactional Applications) on high-performance, embedded and non-conventional systems.
  • high-level design of memory hierarchy and cache memory for embedded and general-purpose DSPs.
  • feedback-driven compiler optimizations for embedded and high-performance systems aiming to performance and/or low-power objectives.
  • Integrated hybrid hardware-software feedback-driven global optimizations.
  • Design and evaluation of application-specific accelerators, CPU cores, and instruction-set ex-tensions, e.g., accelerated architectures for elliptic-curve cryptographic applications.
  • We developed a multiplatform (PDA, Set-top-box, PC) prototype system for Italian Sign Language for the Deaf (BlueSign) that is able to translate broadcast news into sign language in real-time through an avatar.

Our research group uses to research in these domains in a ―vertical‖ way, from the implementation level of the on-chip architectural elements (e.g. studying the interaction between power consumption and management, and cell design in cache systems), to the architectural and ISA level up to the application-level aiming to enable the application to match the features of the underlying system and to exploit its capabilities (e.g. compiler approaches for memory hierarchy exploitation) and pursue performance/power efficiency.

Contact

Roberto Giorgi, PhD
Dipartim. Ing. Informazione
Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Website: www.dii.unisi.it/~giorgi
Phone: +39-0577-191-5182 OR +39-0577-23-4850,,,,1019