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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)

This article addresses the problem of finding the fewest numbers of addition and subtraction operations in the multiplication of a constant matrix with an input vector---a fundamental operation in many linear digital signal processing transforms. We first introduce an exact common subexpression elimination (CSE) algorithm that formalizes the minimization of… (More)

—Although many efficient high-level algorithms have been proposed for the realization of Multiple Constant Multiplications (MCM) using the fewest number of addition and subtraction operations, they do not consider the low-level implementation issues that directly affect the area, delay, and power dissipation of the MCM design. In this paper, we initially… (More)

Existing optimization algorithms for the multiplierless realization of multiple constant multiplications (MCM) typically target the minimization of the number of addition and subtraction operations. Since power dissipation is directly related to the amount of hardware, some power reduction is indirectly achieved by these algorithms. However, in many cases,… (More)

Bit-parallel realization of the multiplication of a variable by a set of constants using only addition, subtraction, and shift operations has been explored extensively over the years as large number of constant multiplications dominate the complexity of many digital signal processing systems. On the other hand, digit-serial architectures offer alternative… (More)

—This paper addresses the problem of optimizing gate-level area in a pipelined Multiple Constant Multiplications (MCM) operation and introduces a high-level synthesis algorithm, called HCUB-DC+ILP. In the HCUB-DC+ILP algorithm, initially, a solution with the fewest number of operations under a minimum delay constraint is found by the Hcub-DC algorithm.… (More)

The multiple constant multiplications (MCM) problem, that is defined as finding the minimum number of addition and subtraction operations required for the multiplication of multiple constants by an input variable, has been the subject of great interest since the complexity of many digital signal processing (DSP) systems is dominated by an MCM operation.… (More)

— 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)