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Politics : Formerly About Advanced Micro Devices

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To: Bill Jackson who wrote (44361)	12/30/1998 1:06:00 PM
From: Steve Porter	Read Replies (3) of 1572334

All: To the current risc/csic instruction questions going on.. I would refer you to: infopad.eecs.berkeley.edu Search for "Part VII: Intel 8086, IBM's choice (1978)" and you will see these interesting tid-bits: (several paragraphs into this section) MMX (initially reported as MultiMedia eXtension, but later said by Intel to mean Matrix Math eXtension) is very similar to the earlier SPARC VIS or HP-PA MAX, or later MIPS MDMX instructions - they perform integer Boy, when the hell did that happen.. anyway this is the one you will be interested in: The NexGen/AMD Nx586 (early 1995) is unique by being able to execute its micro-ops (called RISC86 code) directly, allowing optimised RISC86 programs to be written which are faster than an equivalent x86 program would be, but this feature is seldom used. It also features two 16K I/D L1 caches, a dedicated L2 cache bus (like that in the Pentium Pro 2-chip module) and an off-chip FPU (either separate chip, or later as in 2-chip module). Regards, Steve PS. I would advise you to print out the whole site and read it at your leisure.. it really is a great list and is very comprehsive and generally quite accurate.

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