On Wed, Dec 22, 2010 at 4:01 PM, les <hlhow...@pacbell.net> wrote: But as I recall, the alpha had some vector extensions and bytecoding > extensions that enabled faster indexing, which is why it ran faster with > indexed arrays ;-) > > And as to representation, if you go to assembly language the choice of > octal or hex is often based upon the instruction declination of the > processor. For example the 8080 was octal, because the first 2 bits had > a specific segmentation of the instruction set, the next three could > choose a register or memory and the final three would make a choice > based upon the other two groups. > > In the 6800 and later motorola processors, the representation was hex, > reflecting a broader register base and larger instruction flexibility. > > Now that we have 64 bit processors, and multiple cores, the next step > will be a supervisor for the cores and then a new partitioning of the > instruction word, and I expect a new notation, probably 64 base of some > kind, because it will reflect the new reality of the core processors and > their inherent capabilities. > > Regards, > Les H
'Inside a program talk'! -- Regards, Parshwa Murdia
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