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To: Scumbria who wrote (127658)2/17/2001 12:26:17 PM
From: Joe NYC  Read Replies (1) of 186894
 
Scumbria,

P4 optimized code also supports standard x86 FPU, so that is not the issue.

But once you compile for SSE2, and you want to stick with one executable, your code would run only only on P4 and not on the remaining 99.9% + computers.

The problem is that recompiling a large piece of code with a new compiler is not simple. There will be lots of new bugs, and having a new platform to support only adds to the issues. It is probably 12 months of many people's work to bring up and qualify a complex software product on a new platform.

I don't see companies allocating resources to fixing something that isn't broken. Maybe with new versions of their software, companies will go as far as optimizing for P6 platform (minus SSE), as installed base of P6 has overtaken P5.

Joe
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