Sub-Word Parallelism in Digital Signal Processing  

Oleh:

Fridman, J.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: IEEE Signal Processing Magazine vol. 17 no. 2 (2000), page 27-35.
Topik: Digital; sub - word; parallelis; digital; signal processing

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: SS26.4 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

We deal with parallelism at the data level. We describe an implementation of the architectural technique called sub - word parallelism (SWP), which increases parallelism at the data - element - level by means of partitioning a processor's data path. The specific implementation we focus on is based on the TigerSHARC DSP architecture, developed at Analog Devices, Inc. As a result of SWP, the same data path and computation units perform more than one computation on an N - element composite word. This composite word consists of more than one adjacent sub - words. SWP is quite common and exists in production versions of most major general - purpose microprocessors. We also present an implementation of an FIR filter in the TigerSHARC using data - level SWP as an example.

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