Computer processor having a pipelined architecture which utilize

Details Computer processor having a pipelined architecture which utilize Computer processor having a pipelined architecture which utilize

1996-11-15

1998-06-02

Mai, Tan V.

Boots, shoes, and leggings

G06F 700

Patent

active

057611041

ABSTRACT:
A computer processor that performs operations in a logarithmic number system (LNS) domain includes an input log converter (20), a feedback log converter (303), a first data pipeline (304), a second data pipeline (306), a plurality of processing elements (26a-f) coupled to respective stages of the data pipelines, an inverse-log converter (28), and a programmable accumulator (232) which produces output signals. An instruction, selected from a set of instructions, is decoded by a control unit (235) to configure the computer processor to perform operations on one or more data streams. Mathematical operations that can be performed by the processor include matrix multiplication, matrix-inversion, fast Fourier transforms (FFT), auto-correlation, cross-correlation, discrete cosine transforms (DCT), polynomial equations, and difference equations in general, such as those used to approximate infinite impulse response (IIR) and finite impulse response (FIR) filters. The computer processor can be used as a co-processor (340) in a general purpose computer system.

REFERENCES:
patent: 4720809 (1988-01-01), Taylor

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