Implementation Using Hardware Multiplier(s) and Adder(s)

  • Manesh Mehendale
  • Sunil D. Sherlekar


If an application’s performance requirements cannot be met by a programmable DSP, one option is to use multiple processors. A more area-delay-power efficient solution is to build a processor that is customized for the application. Such a solution typical offers limited capabilities and limited programmability. However, if these are adequate for the application and are of lesser importance than the area-delay-power requirements, such a dedicated solution is the preferred option. The problem of hardware realization from an algorithmic description of an application, has been extensively discussed in the literature. Many silicon-compilers such as HYPER [14], CATHEDRAL [46] and MARS [103] address this problem of high level synthesis. The domain of high level transformations has also been well studied and many such techniques have been presented in the literature [14, 60]. The problem of high level synthesis for low power has been addressed in [81] and the technique of using multiple supply voltages for minimizing energy has been discussed in [16]. This chapter first presents architectural transforms from high level synthesis domain and evaluates the applicability of some of these techniques in the context of FIR filters (weighted-sum computation in general). It then presents a detailed analysis of multirate architectures as a transform that reduces the computational complexity of FIR filtering, thereby providing performance/power advantage.


Power Dissipation High Level Synthesis Data Flow Graph Signal Flow Graph Critical Path Delay 
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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • Manesh Mehendale
    • 1
  • Sunil D. Sherlekar
    • 2
  1. 1.Texas Instruments (India), Ltd.USA
  2. 2.Silicon Automation Systems Ltd.USA

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