Methods and apparatus for providing bit-reversal and...

Details Methods and apparatus for providing bit-reversal and... Methods and apparatus for providing bit-reversal and...

2006-01-10

2006-01-10

Treat, William M. (Department: 2183)

Electrical computers and digital processing systems: processing

Processing architecture

Array processor

C712S014000, C712S035000, C710S022000, C710S027000

Reexamination Certificate

active

06986020

ABSTRACT:
Techniques for providing improved data distribution to and collection from multiple memories are described. Such memories are often associated with and local to processing elements (PEs) within an array processor. Improved data transfer control within a data processing system provides support for radix 2, 4 and 8 fast Fourier transform (FFT) algorithms through data reordering or bit-reversed addressing across multiple PEs, carried out concurrently with FFT computation on a digital signal processor (DSP) array by a DMA unit. Parallel data distribution and collection through forms of multicast and packet-gather operations are also supported.

REFERENCES:
patent: 5161156 (1992-11-01), Baum et al.
patent: 5864738 (1999-01-01), Kessler et al.

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