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The European Logarithmic Microprocesor

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8 Author(s)
Coleman, J.N. ; Newcastle Univ., Newcastle upon Tyne ; Softley, C.I. ; Kadlec, Jiri ; Matousek, R.
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In 2000 we described a proposal for a logarithmic arithmetic unit, which we suggested would offer a faster, more accurate alternative to floating-point procedures. Would it in fact do so, and could it feasibly be integrated into a microprocessor so that the intended benefits might be realized? Here, we describe the European logarithmic microprocessor, a device designed around that unit, and compare its performance with that of a commercial superscalar pipelined floating-point processor. We conclude that the experiment has been successful, and that for 32-bit work, logarithmic arithmetic may now be the technique of choice.

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Computers, IEEE Transactions on  (Volume:57 ,  Issue: 4 )