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Can anyone run this on a HT-enabled system ?



 
 
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Old June 24th 03, 11:43 PM
bill davidsen
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Default Can anyone run this on a HT-enabled system ?

In article ,
Oliver S. wrote:
| I just tried on a dual 2.8 GHz Xeon machine: It failed.
|
| Failed ?
| Do you mean that it reports that the unlocked CMPXCHG isn't atomic ?
|
| I guess you only considered the case of a single HT-enabled cpu, not one
| where the two threads could just as easily end up on separate processors?
|
| Exactly; distinguishing logical from physical CPUs is only possible
| with Windows Server 2003 (although there's some hair-rising trick to
| do that with all former SMP-capable Windows-versions ;-)).

If a program depends on the o/s to tell the truth about the processor
it's guessing... a correct test will return valid information for any
o/s. No, I don't have one handy for you, but see the Linux source code.

--
Bill Davidsen CTO, TMR Associates
As we enjoy great advantages from inventions of others, we should be
glad of an opportunity to serve others by any invention of ours; and
this we should do freely and generously.
-Benjamin Franklin (who would have liked open source)
 




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