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To: Anthony Mascarenhas who wrote (5447)11/19/1996 12:35:00 AM
From: Paul Engel   of 186894
 
Anthony - Re:" then it is that application which would fail without causing the rest of the system to fall over..."

If the software program (or thread) "crashed" or "failed", there would be no problem (except the program wouldn't work!)

The real issue is that the program would CONTINUE to work but with corrupted data in the Floating Point Pipeline.

This is the worst scenario - incorrect results would be obtained with no indication that something was wrong.

The old FDIV problem (a really minor one, at that) on the orignal Pentium was just such a problem. Corrupted results were passed off as correct ones, and there was (would be) no way to know that a problem existed.

This is like a time bomb that goes off - silently!

Paul
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