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—We develop new algorithms and architectures for matrix multiplication on configurable devices. These have reduced energy dissipation and latency compared with the state-of-the-art field-programmable gate array (FPGA)-based designs. By profiling well-known designs, we identify " energy hot spots, " which are responsible for most of the energy dissipation.… (More)

—An O(1) time algorithm to multiply two N-bit binary numbers using an N ¥ N bit-model of reconfigurable mesh is shown. It uses optimal mesh size and it improves previously known results for multiplication on the reconfigurable mesh. The result is obtained by using novel techniques for data representation and data movement and using multidimensional Rader… (More)

In this paper, we present techniques for energy-efficient design at the algorithm level using FPGAs. We then use these techniques to create energy-efficient designs for two signal processing kernel applications: fast Fourier transform (FFT) and matrix multiplication. We evaluate the performance, in terms of both latency and energy efficiency, of FPGAs in… (More)

– Reconfigurable architectures such as FPGAs are flexible alternatives to DSPs or ASICs used in mobile devices for which energy is a key performance metric. Re-configurable architectures offer several parameters such as operating frequency, precision, amount of memory, number of computation units, etc. These parameters define a large design space that must… (More)

We develop new algorithms and architectures for matrix multiplication on configurable hardware. These designs significantly reduce the latency as well as the area. Our designs improve the previous designs in [7] and [1] in terms of the area/speed metric where the speed denotes the maximum achievable running frequency. The area/speed metrics for the

—The reconfigurable mesh consists of an array of processors interconnected by a reconfigurable bus system. The bus system can be used to dynamically obtain various interconnection patterns among the processors. Recently, this model has attracted a lot of attention. In this paper, we show O(1) time solutions to the following computational geometry problems… (More)

In this paper, we develop energy efficient designs for the Fast Fourier Transform (FFT) on FPGAs. Architectures for FFT on FPGAs are designed by investigating and applying techniques for minimizing the energy dissipation. Architectural parameters such as degrees of vertical and horizontal parallelism are identified and a design domain is created through a… (More)