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International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Evaluated Design of High-Performance Processing Architectures

Utkarsh Rastogi

Abstract: I present the design and evaluation of two new processing elements for reconfigurable computing. I also present a circuit-level implementation of the data paths in static and dynamic design styles to explore the various performance-power tradeoffs involved. When implemented in IBM 90-nm CMOS process, the 8-b data paths achieve operating frequencies ranging over 1 GHz both for static and dynamic implementations, with each data path supporting single- cycle computational capability. A novel single-precision floating point processing element (FPPE) using a 24-b variant of the proposed data paths is also presented. The full dynamic implementation of the FPPE shows that it operates at a frequency of 1 GHz with 6.5-mW average power consumption. Comparison with competing architectures shows that the FPPE provides two orders of magnitude higher throughput. Furthermore, to evaluate its feasibility as a soft- processing solution, we also map the floating point unit onto the Virtex 4 and 5 devices, and observe that the unit requires less than 1 % of the total logic slices, while utilising only around 4 % of the DSP blocks available. When compared against popular field-programmable-gate-array-based floating point units, our design on Virtex 5 showed significantly lower resource utilisation, while achieving comparable peak operating frequency. 3D integration of solid-state memories and logic, as demonstrated by the Hybrid Memory Cube (HMC), offers major opportunities for revisiting near-memory computation and gives new hope to mitigate the power and performance losses caused by the memory wall. Several publications in the past few years demonstrate this renewed interest. In this paper we present the first exploration steps towards design of the Smart Memory Cube (SMC), a new Processor-in- Memory (PIM) architecture that enhances the capabilities of the logic-base (LoB) die in HMC.

Keywords: High Performance Computing, HiPC, Low End Computing, Super Computers, Personal Computers



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