🚀 go-pugleaf

Bill Williams (bwilliam@iat.holonet.net) wrote:
: re : "1)  I believe that the Acorn 610 has a 4k on chip cache."
: 
: 
: A HA HA HA HA HA HA HAAAAAA!!!!!
: 
: Yeah right!
: 
: Sure!
: 
: It has only 32000 transistors yet can magically support 4096 bytes of
: cache RAM in the 32000 transistors... hmmm lets see... lets pretend that
: each bit of cache was magically stored in exactly 1 transistor each
: without requiring the other 6 transistors I mentioned earlier....
: 
: That gives us an overhead of 32768 bits (transistors) with no gates left
: for logic!!!!!
: 
: Now you see my fury over the "Acorn 610" fools who keep this stuff rolling!!!
: 
: SOMEONE OUT THERE IS A LIAR!!!! I assume the liar is Acorn, and that the
: chip has 500,000 transistors and not the 32000 transistors claimed.
: 
: ARRRRGGGG!!!!!
: 
: Bill Williams
: 
	Yeah.  I guess I'm the liar.
	Acorn's 32000 transistor cpu does not include cache.  It's also only
a part of a cpu.  The Acorn team will put this cpu on a chip along with various
goodies and extras.  This can include cache, mmu etc.  The cpu part takes up 
about a quarter of a 22 mm die.

	But still, being fast and cheap, why aren't they used in more places?
--
=> Sherwood Botsford                   sherwood@space.ualberta.ca <= 
=> University of Alberta         Lab Manager, Space Physics Group <=         
=> tel:403 492-3713                             fax: 403 492-4256 <=