Programmable Logic Devices (PLDs) have long been used as primary and co-processors in telecommunications. Digital Signal Processing (DSP) in medical and industrial applications often has fundamental differences from the typical telecommunication application. In telecommunications, the input data are commonly audio data rates with strict timing constraints such as completing the calculations between successive input data samples. With a DSP processor, this only allows for a few tens of thousands of instructions for the entire calculation. This instruction bandwidth limitation can be minimized by taking advantage of the multiple processing units in some DSP processors. However, creating the specialized pipe-lined code to take true advantage of this parallelism requires hand optimization of assembly language routines.
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