| Publisher | University of Maryland | ||
|---|---|---|---|
| Format | 362.4KB PDF, requires Acrobat Rdr 5 | Date added | 04 Oct 2001 |
| Topics | Memory Components, Processors | ||
| Downloads | 5 | ||
Today's digital signal processors (DSPs), unlike general-purpose processors, use a non-uniform addressing model in which the primary components of the memory system - the DRAM and dual tagless SRAMs - are referenced through completely separate segments of the address space. The recent trend of programming DSPs in high-level languages instead of assembly code has exposed this memory model as a potential weakness, as the model makes for a poor compiler target. In many of today's high-performance DSPs this non-uniform model is being replaced by a uniform model - a transparent organization like that of most general-purpose systems, in which all memory structures share the same address space as the DRAM system.
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