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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Paul Engel who wrote (53529)	3/26/1999 12:54:00 PM
From: Scumbria	Read Replies (2) \| Respond to of 1578138

Paul, Once the target-branch is determined, the results of that branch are retained and the results from the "wrong branch" are simply discarded. If parallel branch-taken and branch-not-taken load misses produce a bank conflict in DRAM, there is a very large performance penalty associated with the parallel execution. This is not a new idea. The PPC 620 was architected to do the same thing. The concept and the PPC 620 both proved to be a big waste of effort. Scumbria