Messages in this thread |  | | Date | Wed, 16 Oct 2002 03:04:39 -0700 | | From | jw schultz <> | | Subject | Re: mapping 36 bit physical addresses into 32 bit virtual |
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On Wed, Oct 16, 2002 at 05:20:15PM +0900, Miles Bader wrote: > jw schultz <jw@pegasys.ws> writes: > > i distinctly remember the working with the newest R400x in 1993 which > > was still 32bit. I know MIPS went to 64bit sometime not too long > > after that (mid 90's?) but by then Alpha and Sparc had beaten them to > > the punch. > > You're wrong -- the R4000 was absolutely 64-bit, and was released in > 1991. The 64-bit sparc was circa '93, and alpha I dunno, but I think > '91-'92. > > [note that I'm talking about chips, not software; I believe it was quite > a while before the OS stuff caught up with the 64-bit mips processors]
OK. I guess i'm wrong. It may be that the hardware was locked into 32bit mode. The development period was a couple of years so we were running on essentially 89-90 tech with a faster clock.
-- ________________________________________________________________ J.W. Schultz Pegasystems Technologies email address: jw@pegasys.ws
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