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To: Joe NYC who wrote (33810)3/27/2001 6:06:36 PM
From: ScumbriaRespond to of 275872
 
Joe,

The problem IMO was that Cyrix should have been working on a new core, the same way as AMD was.

Most of the designers at Cyrix were working on M3. Had the M3 architect been competent, Cyrix might have recovered.

Scumbria



To: Joe NYC who wrote (33810)3/27/2001 6:08:49 PM
From: fyodor_Read Replies (2) | Respond to of 275872
 
Joe: One thing I completely don't understand is what happened with this core once Via took over. They managed to get the core to run at I believe 600 MHz, added on chip L2, but the performance didn't change much from that of the old core with off-chip L2 running at 300 MHz.

Splitting all the pipeline stages in 2 would accomplish that ;-).

The added penalty of the long pipeline would probably do a lot to offset the on-die L2 cache.

-fyo



To: Joe NYC who wrote (33810)3/27/2001 7:59:15 PM
From: TenchusatsuRead Replies (2) | Respond to of 275872
 
Joe, <One thing I completely don't understand is what happened with this core once Via took over.>

According to MPR (6/26/2000), "VIA Technologies has decided to take the dipstick approach to repairing its Cyrix III processor. (The 'dipstick approach' is used on automobiles that are in such disrepair that the only way to fix them is to remove the dipstick, drive a new car underneath, and replace the dipstick.)"

Apparently VIA dumped the original Cyrix III core and replaced it with the WinChip 4 design that they acquired from Centaur. But they kept the Cyrix brand name.

Tenchusatsu