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Caches in DSP processors
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2010-02-16
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While caches are familiar in RISC microprocessors,
they’ve only recently entered the world of DSPs. DSP
processor vendors preferred no cache at all or simple
instruction buffers instead of complicated memories with
caches. Caches bring a fair amount of unpredictability into
hardware systems. That was the main reason why caches
haven’t been used in DSP processors. As DSP processors
become more powerful, there appears a need to improve memory system.
they’ve only recently entered the world of DSPs. DSP
processor vendors preferred no cache at all or simple
instruction buffers instead of complicated memories with
caches. Caches bring a fair amount of unpredictability into
hardware systems. That was the main reason why caches
haven’t been used in DSP processors. As DSP processors
become more powerful, there appears a need to improve memory system.
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