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In this paper, we propose an exact algorithm that maximizes the sharing of partial terms in multiple constant multiplication (MCM) operations. We model this problem as a Boolean network that covers all possible partial terms which may be used to generate the set of coefficients in the MCM instance. The PIs to this network are shifted versions of the MCM… (More)

- Mazhar Alidina, José C. Monteiro, Srinivas Devadas, Abhijit Ghosh, Marios C. Papaefthymiou
- IEEE Trans. VLSI Syst.
- 1994

We address the problem of optimizing logic-level sequential circuits for low power. We present a powerful sequential logic optimization method that is based on selectively <italic>precomputing</italic> the output logic values of the circuit one clock cycle before they are required, and using the precomputed values to reduce internal switching activity in… (More)

- M. Fonseca, E. da Costa, S. Bampi, J. Monteiro
- 2005 18th Symposium on Integrated Circuits and…
- 2005

In this work, we present a design of a radix-2m Hybrid array multiplier using Carry Save Adder (CSA) circuit in the partial product lines in order to speed-up the carry propagation along the array. The Hybrid multiplier architecture was previously presented in the literature using Ripple Carry Adders (RCA) in the partial product lines. In our work we… (More)

- Levent Aksoy, Eduardo A. C. da Costa, Paulo F. Flores, José C. Monteiro
- IEEE Transactions on Computer-Aided Design of…
- 2008

The main contribution of this paper is an exact common subexpression elimination algorithm for the optimum sharing of partial terms in multiple constant multiplications (MCMs). We model this problem as a Boolean network that covers all possible partial terms that may be used to generate the set of coefficients in the MCM instance. We cast this problem into… (More)

- José C. Costa, José C. Monteiro, Srinivas Devadas
- ISLPED
- 1997

We describe a method of polynomial simulation to calculate switching activities in a general-delay combinational logic circuit. This method is a generalization of the exact signal probability evaluation method due to Parker and McCluskey, which as been extended to handle temporal correlation and arbitrary transport delays. Our method is parameterized by a… (More)

- Levent Aksoy, Cristiano Lazzari, Eduardo Costa, Paulo F. Flores, José C. Monteiro
- IEEE Trans. VLSI Syst.
- 2013

— In the last two decades, many efficient algorithms and architectures have been introduced for the design of low-complexity bit-parallel multiple constant multiplications (MCM) operation which dominates the complexity of many digital signal processing systems. On the other hand, little attention has been given to the digit-serial MCM design that offers… (More)

- Levent Aksoy, Eduardo Costa, Paulo F. Flores, José C. Monteiro
- 2012 Design, Automation & Test in Europe…
- 2012

The multiple constant multiplications (MCM) operation, which realizes the multiplication of a set of constants by a variable, has a significant impact on the complexity and performance of the digital finite impulse response (FIR) filters. Over the years, many high-level algorithms and design methods have been proposed for the efficient implementation of the… (More)

- José C. Monteiro, Arlindo L. Oliveira
- ASP-DAC
- 2000

— Clock-gating techniques are very effective in the reduction of the switching activity in sequential logic circuits. In particular, recent work has shown that significant power reductions are possible with techniques based on finite state machine (FSM) decomposition. A serious limitation of previously proposed techniques is that they require the state… (More)

We propose a new algorithm that maximizes he sharing of partial terms in Multiple Cons an Multiplication (MCM) operations under a general number representation for the coefficients. MCM operations are required by many algorithms in digital signal processing and have been the subject of extensive research. By making no assumptions as to the number… (More)

We propose a method for register-transfer level (RTL) power modeling. The switched capacitance and switching probability of each output of a functional module are mod-eled by formulas that are a function of the module's inputs probabilities. These formulas are computed beforehand for each module using the polynomial simulation scheme, and stored in the… (More)