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Politics : Formerly About Advanced Micro Devices
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To: Epinephrine who wrote (94596)2/22/2000 2:14:00 PM
From: kash johal  Read Replies (2) of 1572120
 
Epinephrine,

Re:"mustang core"

AMD has stated that MUSTANG will be SMALLER core than current k7 core. It will also add mobile featurea and feature reduced power.

The only way they can reduce size substantially is:

1. reduce L1 cache size.
2. reduce FPU size - currently 3 x87 units.
3. move to 0.13 micron.
4. reduce pipeline stages.

My best guess is that it will be #2 and they will augement this with beefed up 3dnow similar to willy.

The reasons for doing this is that mustang will likely be the core that sledgehammer doubles up.

If thunderbird is 180mm2 or so with on chip cache a simple doubling yields a 350-360mm2 die - which is probably unmanufacturable by AMD.

If they can mustang down to 140mm2 or so then sledgehammer becomes very manufacturable and certainly with 0.13 micron potentially pretty low cost too.

regards,

kash
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