Dynamically Exploiting Narrow Width Operands to Improve Processor Power and Performance

@inproceedings{Brooks1999DynamicallyEN,
  title={Dynamically Exploiting Narrow Width Operands to Improve Processor Power and Performance},
  author={David M. Brooks and Margaret Martonosi},
  booktitle={HPCA},
  year={1999}
}
In general-purpose microprocessors, recent trends have pushed towards 64-bit word widths, primaril y to accommodate the large addressing needs of some programs. Many integer problems, however, rarely need the full 64-bit dynamic range these CPUs provide. In fact, another recent instruction set trend has been increased support for sub-word operations (that is, manipulating data in quantities less than the full word size). In particular, most major processor families have introduced "multimedia… CONTINUE READING

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