[rescue] Cray J90s

rescue at sunhelp.org rescue at sunhelp.org
Wed Jun 13 17:29:33 CDT 2001

mcguire at neurotica.com writes:

>On June 12, ed at the7thbeer.com wrote:
>> Opens my eyes, but leads to more and more questions.  Like, at what level
>> are vectors considered atomic(I'm guessing the kernel itself for the
>> hardware wouldn't treat vectors as the sole atomic value, system-wide,
>> would it?)?  Just in program space, or deep in the kernel as well?  What

>  In a true vector processor, vectors instructions are just
>that...instructions.  Most processors don't allow you to interrupt an
>instruction in-progress.

Page fault?

Now, hopefully most vector machines won't let you interrupt instructions,
since it's too painfull & most of them don't do VM anyways.

-- david fischer -- dave at cca.org -- www.cca.org -- Cthulhu told me to. --

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