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This article studies two common situations where the flexibility of FPGAs allows one to design application-specific floating-point operators which are more efficient and more accurate than those offered by processors and GPUs. First, for applications involving the addition of a large number of floating-point values, an ad-hoc accumulator is proposed. By tailoring its parameters to the numerical requirements...
The paper presents a new software strategy for generating true random numbers, by creating several threads and letting them compete unsynchronized for a shared variable, whose value is read-modified-updated by each thread repeatedly. The generated sequence of random numbers consists of the final values of the shared variable. Our strategy is based on the functionality of the operating system's thread...
In the last years the interest for magnetic stimulation of the human nervous tissue has increased, because this technique has proved its utility and applicability both as a diagnostic and as a treatment instrument. Research in this domain is aimed at eliminating some disadvantages of the technique: the lack of focalization of the stimulated human body region and the reduced efficiency of the energetic...
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