[comp.sys.next] 68030 cache

wald-david@CS.YALE.EDU (david wald) (11/04/88)

In article <8810291732.AA27129@ghidrah.eecg.toronto.edu>
okrieg@eecg.toronto.edu ("Orran Y. Krieger") writes:
>I believe that the current version of MACH on Next does not support
>multiple processors. However even when it will, each NEXT CPU board has
>its own local memory etc... Does anyone know if when multiple processor
>boards can be put in will they have a global physical address space
>(i.e. processor A can address processor B`s memory). Hmmm no cache so
>I guess that there would be no consistency problem...

Unless you're talking about a 680x0, x >= 2.  The in-chip cache could get
just as screwed up in a multi-processor - common-memory situation.


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David Wald                                              wald-david@yale.UUCP
						       waldave@yalevm.bitnet
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