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To: kas1 who wrote (22780)5/24/1997 3:40:00 PM
From: StockMan   of 186894
 
Konrad,
Re --- backward compatibility, instruction scheduling, compilers and OS's

I think the earlier article was refering to 64bit software, where very little exists. Backward compatibility for 32 bit todays programs will still be provided by the merced, but will not take full advantage of the "pure" 64 bit architecture.

Windows NT does provide 64 bit support, but tweaks will still need to be made.

Merced being a completely new architecture, IMO will initially run older software less speedily, while providing both a 64 bit migration path and enhanced recompiled software performance. This migration could take a few years (16 to 32 bit migration has still not fully happened)

Merced thus is more of an evolutionary program, rather than a radical change in computing.

regards
Stockman
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