Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 258.86

+2.0%

1:24 PM EST

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To: kash johal who wrote (4676)	8/11/2000 11:52:15 PM
From: Scumbria	Read Replies (2) of 275872

Kash, Merced uses EPIC so IPC is much higher than current x86 approach. Max is around 8 : min say 2x AVG of 4x for typical due to compiler difficulties etc. Thats maybe equivalent to 3.2Ghz 64 bit clocks. There are a number of flaws in your assumptions here. 1. Your guesses about EPIC IPC values are probably too high. 2. Most x86 instructions are the equivalent of three or four EPIC instructions, so you need to divide EPIC IPC by about 3.0 to get an apples to apples comparison. 3. The code density of EPIC programs is terrible, causing poor cache performance. Merced will run desktop software slower than fast x86 CPU's. The only value which Merced may offer is for server applications. Scumbria

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