AMULET, the asynchronous ARM series
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Author:  BigEd [ Sun Mar 24, 2019 10:08 pm ]
Post subject:  AMULET, the asynchronous ARM series

From a discussion elsewhere, a page describing AMULET3, perhaps from around 2000: ... ET3_uP.php

the earlier devices were primarily designed as low power processors and performance was a secondary consideration. AMULET3 will attempt to retain the high power efficiency of the earlier devices whilst yielding much higher performance. Although we do not expect performance as high as StrongARM we do expect to close the gap between asynchronous and synchronous ARMs significantly.

With a paper and some slides here: ... c99_A3.php
(There has been some link rot, so check also at and here:

I see a nearby page has some backgrounders on asynchronous design:

Which in turn includes a survey of early asynchronous machines:
    Illiac II
    Ordvac (perhaps)
    DataSaab D-23
    Eniac (maybe)
    Rice Computer based on Maniac
    Rice Research Computer, R2 (prototype only?)
(But no mention of the world's fastest machine in 1962, the first supercomputer: ATLAS)

And that leads us to
The 'Asynchronous' Bibliography by Ad Peeters

Author:  BigEd [ Mon Mar 25, 2019 11:50 am ]
Post subject:  Re: AMULET, the asynchronous ARM series

(as an aside, I did find two previous threads tackling asynchronous machines:

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